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Analytical method of sodium hypophosphite

Analytical method of sodium hypophosphite, Total:500 items.

In the international standard classification, Analytical method of sodium hypophosphite involves: Surface treatment and coating, Inorganic chemicals, Ferrous metals, Welding, brazing and soldering, Electronic display devices, Powder metallurgy, Non-ferrous metals, Animal feeding stuffs, Water quality, Paint ingredients, Analytical chemistry, Nuclear energy engineering, Products of the chemical industry, Fertilizers, Ferroalloys, Farming and forestry, Soil quality. Pedology, Non-metalliferous minerals, Beverages, Metalliferous minerals, Air quality, Vocabularies, Chipless working equipment, Textile auxiliary materials, Glass, Power stations in general, Testing of metals, Textile fibres, Electrical accessories, Pulps, Wind turbine systems and other alternative sources of energy, Geology. Meteorology. Hydrology, Wastes, Laboratory medicine, Burners. Boilers, Construction materials, Environmental protection, Leather technology.

Professional Standard - Aviation, Analytical method of sodium hypophosphite

HB/Z 5090.2-2001 Analysis method for electroless nickel plating solution Determination of sodium hypophosphite content through potentiometric titration
HB/Z 5090.3-2001 Analytical method of electroless nickel plating solution iodometric method to determine the content of sodium phosphite
HB/Z 5110.2-2000 Electrochemical degreasing and chemical degreasing solution analysis method Potentiometric titration determination of sodium hydroxide, sodium carbonate, trisodium phosphate
HB/Z 5110.4-2000 Analytical method for electrochemical degreasing and chemical degreasing solution Determination of trisodium phosphate by EDTA volumetric method
HB/Z 5106-1978 Analysis method of aluminum alloy chemical oxidation (phosphoric acid-chromic acid method) solution
HB/Z 5086.5-2000 Analysis method of cyanide electroplating copper solution Titration analysis method to determine the content of sodium cyanide (free), sodium cyanide and sodium carbonate
HB/Z 5108.3-1999 Analytical method of phosphating solution - Determination of sulfate radical content by visual turbidimetry
HB/Z 5105.3-2000 Electrochemical Polishing Solution Analysis Method Potentiometric Titration Determination of Sulfuric Acid and Phosphoric Acid
HB/Z 5108.1-1999 Analytical methods for phosphating solutions - Potentiometric titration for the determination of free and total acidity
HB/Z 5088.2-1999 Analysis method for nickel plating solution Determination of sodium sulfate content through precipitation titration
HB/Z 5092.2-2001 Electroplating Black Chromium Solution Analysis Method Potentiometric Titration Determination of Sodium Nitrate Content
HB/Z 5093.1-2000 Alkaline electroplating tin solution analysis method EDTA volumetric method to determine the content of sodium stannate
HB 5422.31-1989 Methods of chemical analysis of copper alloys - Determination of beryllium content by beryllium pyrophosphate gravimetric method
HB/Z 5107.11-2004 Methods for analysis of chemical oxidation solution for magnesium alloy-Part 11:Determination of sodium bichromate content in sodium bichromate and magnesium sulfate oxidation solution by potentiometric method
HB/Z 5110.3-2000 Analytical methods for electrochemical degreasing and chemical degreasing solutions Determination of sodium silicate
HB/Z 5086.4-2000 Analytical method for cyanide electroplating copper solution Potentiometric titration for determination of sodium carbonate content
HB/Z 5093.3-2000 Analytical method of alkaline electroplating tin solution Determination of sodium acetate content by potentiometric titration
HB/Z 5084.3-2000 Analytical method of cyanide electroplating zinc solution for determination of sodium carbonate content by potentiometric titration
HB/Z 5085.4-1999 Analytical method of cadmium electroplating solution for cyanide electroplating Determination of sodium carbonate content by potentiometric titration
HB/Z 5085.6-1999 Analytical method for cadmium cyanide electroplating solution Determination of sodium sulfate content by precipitation titration
HB/Z 5089.4-2004 Methods for analysis of plating black nickel solutions Part 4:Determination of sodium sulfate content by precipitation titrimetric method
HB/Z 5086.6-2000 Analytical method of cyanide electroplating copper solution Potentiometric titration determination of potassium sodium tartrate content
HB/Z 5109.7-2001 Analysis method for passivation solution Determination of sodium sulfate in zinc plating, cadmium plating nitric acid passivation solution
HB/Z 5095.3-2004 Methods for analysis of cyaniding plating brass solutions-part 3:Determination of sodium carbonate content by potentiometric titrimetric method
HB/Z 5107.13-2004 Methods for analysis of chemical oxidation solution for magnesium alloy-Part 13:Determination of potassium bichromate、sodium bichromate content by ferrous titrimetric method
HB/Z 5109.1-2001 Analysis method for passivation solution Determination of sodium bichromate content in zinc plating, cadmium plating diacid passivation solution through potentiometric titration
HB/Z 5109.6-2001 Analysis method for passivation solution Determination of sodium bichromate content in zinc plating, cadmium plating nitric acid passivation solution through potentiometric titration
HB/Z 5091.4-1999 Analysis method for chrome plating solution Qualitative analysis of NO2-
HB/Z 5099.6-2000 Analytical method of electroplating silver solution Potentiometric titration determination of potassium sodium tartrate content in hard silver plating solution
HB/Z 5107.10-2004 Methods for analysis of chemical oxidation solution for magnesium alloy-Part 10:Continual determination of manganese sulfate and magnesium sulfate content in sodium bichromate and magnesium sulfate oxidation solution by EDTA volumetric method
HB/Z 5109.12-2001 Analysis method for passivation solution Determination of sodium bichromate content in brass plating passivation solution through potentiometric titration

未注明发布机构, Analytical method of sodium hypophosphite

BS 4427-2:1969(1999) Methods of test for Sodium tripolyphosphate (pentaSodium triphosphate) and sodium pyrophosphate (tetraSodium pyrophosphate) — Part 2 : Measurement of pH value of sodium tripolyphosphate
BS 4427-6:1974(2011) Methods of test for Sodium tripolyphosphate (pentasodium triphosphate) and sodium pyrophosphate (tetrasodium pyrophosphate) for industrial use — Part 6 : Estimation of pyrophosphate content of sodium pyrophosphate
BS 4427-4:1969(2011) Methods of test for Sodium tripolyphosphate (penta sodium triphosphate) and sodium pyrophosphate (tetra sodium pyrophosphate) — Part 4 : Determination of loss on ignition
BS 4427-1:1969(2011) Methods of test for Sodium tripolyphosphate (pentasodium triphosphate) and sodium pyrophosphate (tetrasodium pyrophosphate) — Part 1 : Determination of matter insoluble in water in sodium tripolyphosphate
BS 4427-5:1974(2011) Methods of test for Sodium tripolyphosphate (pentasodium triphosphate) and sodium pyrophosphate (tetrasodium pyrophosphate) for industrial use — Part 5 : Determination of particle size distribution
BS 4427-11:1983(2011) Methods of test for Sodium tripolyphosphate (pentasodium triphosphate) and sodium pyrophosphate (tetrasodium pyrophosphate) for industrial use — Part 11 : Separation by column chromatography and determination of the different phosphate forms
BS 4427-3:1989(2011) Methods of test for Sodium tripolyphosphate (pentasodium triphosphate) and sodium pyrophosphate (tetrasodium pyrophosphate) for industrial use — Part 3 : Condensed phosphates for industrial use (including foodstuffs): determination of iron content
BS 4258-7:1978(1999) Methods of test for Phosphoric acid (orthophosphoric acid) for industrial use — Part 7 : Determination of total phosphorus (V) oxide content : quinoline phosphomolybdate gravimetric method
BS 5551-4.2.3:1987(1999) Fertilizers — Part 4 : Chemical analysis — Section 4.2 Determination of phosphorus — Subsection 4.2 . 3 Method for determination of phosphorus content (quinoline molybdophosphate gravimetric method)
BS 4258-3:1989(1999) Methods of test for Phosphoric acid (orthophosphoric acid) for industrial use — Part 3 : Determination of sulphate content
BS 4258-4:1975(1999) Methods of test for Phosphoric acid (orthophosphoric acid) for industrial use — Part 4 : Determination of fluorine content
BS 4258-2:1989(2000) Methods of test for Phosphoric acid (orthophosphoric acid) for industrial use — Part 2 : Determination of iron content
BS 4258-9:1989(1999) Methods of test for Phosphoric acid (orthophosphoric acid) for industrial use — Part 9 : Determination of chloride content
BS 4258-13:1990(1999) Methods of test for Phosphoric acid (orthophosphoric acid) for industrial use — Part 13 : Determination of soluble sulphate content (potentiometric method)
BS 4258-5:1989(1999) Methods of test for Phosphoric acid (orthophosphoric acid) for industrial use — Part 5 : Determination of silica content
BS 5688-0:1986(2011) Methods of test for Orthoboric acid (boric acid), diboron trioxide (boric oxide), disodium tetraborates, sodium perborates and crude sodium borates for industrial use — Part 0 : General introduction
BS 6092-11:1981(2011) Methods of Sampling and test for sodium and potassium silicates for industrial use — Part 11 : Determination of chloride content of sodium metasilicate
BS 6092-12:1981(2011) Methods of Sampling and test for sodium and potassium silicates for industrial use — Part 12 : Limit test for sulphate content of sodium metasilicate
BS 7319-8:1990(1999) Analysis of sodium chloride for industrial use — Part 8 : Method for determination of lead content
BS 7319-9:1990(1999) Analysis of sodium chloride for industrial use — Part 9 : Method for determination of mercury content
BS 7319-11:1990(1999) Analysis of sodium chloride for industrial use — Part 11 : Method for determination of iron content
BS 7319-6:1990(1999) Analysis of sodium chloride for industrial use — Part 6 : Method for determination of cadmium content
BS 7319-7:1990(1999) Analysis of sodium chloride for industrial use — Part 7 : Method for determination of copper content

British Standards Institution (BSI), Analytical method of sodium hypophosphite

BS 4427-5:1974 Methods of test for sodium tripolyphosphate (pentasodium triphosphate) and sodium pyrophosphate (tetrasodium pyrophosphate) for industrial use - Determination of particle size distribution
BS 4427-2:1969 Methods of test for sodium tripolyphosphate (pentasodium triphosphate) and sodium pyrophosphate (tetrasodium pyrophosphate) for industrial use - Measurement of pH value of sodium tripolyphosphate
BS 4427-6:1974 Methods of test for sodium tripolyphosphate (pentasodium triphosphate) and sodium pyrophosphate (tetrasodium pyrophosphate) for industrial use - Estimation of pyrophosphate content of sodium pyrophosphate
BS 4427-1:1969 Methods of test for sodium tripolyphosphate (pentasodium triphosphate) and sodium pyrophosphate (tetrasodium pyrophosphate) for industrial use - Determination of matter insoluble in water in sodium tripolyphosphate
BS 4427-11:1983 Methods of test for sodium tripolyphosphate (pentasodium triphosphate) and sodium pyrophosphate (tetrasodium pyrophosphate) for industrial use - Separation by column chromatography and determination of the different phosphate forms
BS 4427-4:1969 Methods of test for sodium tripolyphosphate (pentasodium triphosphate) and sodium pyrophosphate (tetrasodium pyrophosphate) for industrial use - Determination of loss on ignition
BS 4427-10:1976 Methods of test for sodium tripolyphosphate (pentasodium triphosphate) and sodium pyrophosphate (tetrasodium pyrophosphate) for industrial use. Determination of total phosphorus (V) oxide content: quinoline phosphomolybdate gravimetric method
BS 4427-3:1989 Methods of test for sodium tripolyphosphate (pentasodium triphosphate) and sodium pyrophosphate (tetrasodium pyrophosphate) for industrial use - Condensed phosphates for industrial use (including foodstuffs): determination of iron content
BS 4427-14:1989 Methods of test for sodium tripolyphosphate (pentasodium triphosphate) and sodium pyrophosphate (tetrasodium pyrophosphate) for industrial use - Condensed phosphates for industrial use (including foodstuffs): determination of chloride content
BS 4427-13:1982 Methods of test for sodium tripolyphosphate (pentasodium triphosphate) and sodium pyrophosphate (tetrasodium pyrophosphate) for industrial use. Condensed phosphates for industrial use (including foodstuffs) - determination of calcium content - flame at...
BS 4427-15:1982 Methods of test for sodium tripolyphosphate (pentasodium triphosphate) and sodium pyrophosphate (tetrasodium pyrophosphate) for industrial use - Condensed phosphates for industrial use (including foodstuffs) - determination of oxides of nitrogen content -
BS 4427-12:1979 Methods of test for sodium tripolyphosphate (pentasodium triphosphate) and sodium pyrophosphate (tetrasodium pyrophosphate) for industrial use - Condensed phosphates for industrial use (including foodstuffs) - Determination of arsenic content - Silver die
BS 7319-4:1990 Analysis of sodium chloride for industrial use. Method for determination of sulphate content
BS EN 14670:2005 Surface active agents - Sodium dodecyl sulfate - Analytical method
BS 7755-3.6:1995 Soil quality. Chemical methods. Determination of phosphorus. Spectrometric determination of phosphorus soluble in sodium hydrogen carbonate solution
BS EN ISO 15681-2:2004 Water quality - Determination of orthophosphate and total phosphorus contents by flow analysis (FIA and CFA) - Method by continuous flow analysis (CFA)
PD CEN ISO/TS 29843-1:2014 Soil quality. Determination of soil microbial diversity. Method by phospholipid fatty acid analysis (PLFA) and phospholipid ether lipids (PLEL) analysis
BS EN ISO 15681-2:2018 Water quality. Determination of orthophosphate and total phosphorus contents by flow analysis (FIA and CFA) - Method by continuous flow analysis (CFA)
BS DD ISO/TS 29843-1:2010 Soil quality. Determination of soil microbial diversity. Method by phospholipid fatty acid analysis (PLFA) and phospholipid ether lipids (PLEL) analysis
BS 7319-1:1990 Analysis of sodium chloride for industrial use. Method for determination of sodium chloride content
BS PD CEN ISO/TS 29843-2:2021 Soil quality. Determination of soil microbial diversity. Method by phospholipid fatty acid analysis (PLFA) using the simple PLFA extraction method
BS 5688-13:1979 Methods of test for orthoboric acid (boric acid), diboron trioxide (boric oxide), disodium tetraborates, sodium perborates and crude sodium borates for industrial use - Determination of particle size distribution of sodium perborates by mechanical sieving
BS 7319-3:1990 Analysis of sodium chloride for industrial use. Method for determination of matter insoluble in water or in acid
BS 5551-4.2.3:1987 Fertilizers - Chemical analysis - Determination of phosphorus - Method for determination of phosphorus content (quinoline molybdophosphate gravimetric method)
BS 5551 SubSec.4.2.3:1987 Fertilizers. Chemical analysis. Determination of phosphorus. Method for determination of phosphorus content (quinoline molybdophosphate gravimetric method)
BS 5766-3:1999 Methods for analysis of animal feeding stuffs. Determination of phosphorus content (spectrometic method)
BS 7319-2:1990 Analysis of sodium chloride for industrial use. Method for determination of moisture content
BS 6870 Sec.2.8:1987 Analysis of aluminium ores. Chemical methods. Method for determination of phosphorus content: spectrophotometric method
BS 6829-3.1:1989 Analysis of surface active agents (raw materials). Sodium alkylbenzenesulphonates. Method for determination of mean relative molecular mass
BS 7319-8:1990 Analysis of sodium chloride for industrial use - Method for determination of lead content
BS 7319-6:1990 Analysis of sodium chloride for industrial use - Method for determination of cadmium content
BS 7319-7:1990 Analysis of sodium chloride for industrial use - Method for determination of copper content
BS 7319-9:1990 Analysis of sodium chloride for industrial use - Method for determination of mercury content
BS 7020 Sec.5.2:1993 Analysis of iron ores. Methods for the determination of silicon content. Reduced molybdosilicate spectrophotometric method
BS 7319-5:1990 Analysis of sodium chloride for industrial use. Method for determination of calcium and magnesium contents
BS 1748-8:1960 Methods for the analysis of copper alloys - Method for the determination of phosphorus in copper alloys (photometric method)
BS 7319-11:1990 Analysis of sodium chloride for industrial use - Method for determination of iron content
BS DD ISO/TS 29843-2:2011 Soil quality. Determination of soil microbial diversity. Method by phospholipid fatty acid analysis (PLFA) using the simple PLFA extraction method
PD CEN ISO/TS 29843-2:2021 Soil quality. Determination of soil microbial diversity. Method by phospholipid fatty acid analysis (PLFA) using the simple PLFA extraction method
BS EN 15621:2017 Animal feeding stuffs: Methods of sampling and analysis. Determination of calcium, sodium, phosphorus, magnesium, potassium, sulphur, iron, zinc, copper, manganese and cobalt after pressure digestion by ICP-AES
BS EN 15510:2017 Tracked Changes. Animal feeding stuffs. Methods of sampling and analysis. Determination of calcium, sodium, phosphorus, magnesium, potassium, iron, zinc, copper, manganese, cobalt, molybdenum and lead by ICP-AES

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, Analytical method of sodium hypophosphite

GB/T 223.32-1994 Methods for chemical analysis of iron,steel and alloy. The hypophosphite reduction-iodimetric method for the determination of arsenic content
GB/T 19282-2003 Analytic method for Lithium hexafluorophosphate
GB/T 19282-2014 Analytic method for lithium hexafluorophosphate
GB/T 16478.4-1996 Methods for chemical analysis of thorium nitrate--Determination of phosphorus content
GB/T 6913.1-1986 Methods for analysis of water for boiler and for cooling--The determination of phosphates--Orthophosphates
GB/T 6913.3-1986 Methods for analysis of water for boiler and for cooling--The determination of phosphates--Total phosphate
GB 223.32-1984 Methods for chemical analysis of iron,steel and alloy--The hypophosphite reduction-iodimetric method for the determination of arsenic content
GB/T 6913.2-1986 Methods for analysis of water for boiler and for cooling--The determination of phosphates--Total inorganic phosphates
GB/T 8158.7-1987 Methods for chemical analysis of sodium fluoride--The neutral titration for the determination of acidity
GB/T 23278.1-2009 Methods for chemical analysis of sodium stannate.Part 1:Determination of tin content.Titration
GB/T 223.61-1988 Methods for chemical analysis of iron, steel and alloy--The ammonium phosphomolybdate volumetric method for the determination of phosphorus content
GB 223.61-1988 Chemical Analysis Method for Iron, Steel and Alloy Ammonium Phosphomolybdate Volumetric Method for Determination of Phosphorus
GB/T 223.58-1987 Methods for chemical analysis of iron,steel and alloy--The sodium arsenite-sodium nitrite titrimetric method for the determination of manganese content
GB 223.58-1987 Methods for chemical analysis of iron, steel and alloys Sodium arsenite-sodium nitrite titration for the determination of manganese content
GB/T 16484.14-1996 Methods for chemical analysis of rare earth chloride and carbonate--Determination of phosphorus radicle content
GB/T 6913-2023 Analytical methods for boiler water and cooling water - determination of phosphate
GB/T 6913-2008 Analysis of water used in boiler and cooling system.Determination of phosphorus
GB/T 6913.4-1993 Analysis of water used in boiler and cooling system Determination of phosphate
GB/T 10209.2-2010 Determination of monoammonium phosphate and diammonium phoshpate-Part 2:Phosphorus content
GB/T 9984.3-2004 Sodium tripolyphosphate for industrial use-Separation by ion exchange chromatography and determination of the different phosphate forms
GB/T 9984.3-1988 Sodium tripolyphosphate for industrial use--Separation by ion exchange chromatography and determination of the different phosphate forme
GB/T 10209.3-2010 Determination of monoammonium phosphate and diammonium phoshpate-Part 3:Water content
GB/T 14506.9-1993 Sillicate rocks. Determination of phosphorus pentoxide
GB/T 8158.6-1987 Methods for chemical analysis of sodium fluoride--The gravimetric method for the determination of carbonate content
GB/T 16484.14-2009 Chemical analysis methods of rare earth chloride and light rare earth carbonate-Part 14：Determination of phosphorus radical content-Phosphorus-antimonate-molybdenum blue spectrophotometry
GB/T 14679-1993 Air quality. Determination of Ammonia. Sodium salicylate-sodium hypochlorite spectrophotometric method
GB/T 23278.7-2009 Methods for chemical analysis of sodium stannate.Part 7:Determination of alkali insolubie matter-Gravimetric analysis
GB/T 10209.4-2010 Determination of monoammonium phosphate and dismmonium phoshpate-Part 4: Particle size
GB/T 7731.2-1987 Methods for chemical analysis of ferrotungsten--The sodium periodate photometric method for the determination of manganese content
GB/T 23278.8-2009 Methods for chemical analysis of sodium stannate.Part 8:Determination of nitrate content.Ion selective electrode method
GB/T 10574.13-1989 Tin-lead solders--Determination of phosphorus content--Phosphor-vanadium-molybdium poly acid-crystal violet spectrophotometric method
GB/T 23278.6-2009 Methods for chemical analysis of sodium stannate.Part 6:Determination of free alkali content.Titration
GB/T 14506.11-1993 Sillicate rocks. Determination of potassium oxide and sodium oxide
GB/T 16484.8-1996 Methods for chemical analysis of rare earth chloride and carbonate--Determination of sodium oxide content
GB/T 13293.6-1991 Higher purity copper cathode.Determination of phosphorus content.Heteropoly phosphato-vanadato-molybdicacid-crystal violet spectrophotometric method
GB/T 10209.1-2008 Determination of monoammonium phosphate and diammonium phosphate.Part 1:Total nitrogen content
GB/T 23278.4-2009 Methods for chemical analysis of sodium stannate.Part 4:Determination of lead content.Flame atomic absorption spectrometry
GB/T 23278.5-2009 Methods for chemical analysis of sodium stannate.Part 5:Determination of antimony content.Malachite green photometric method
GB/T 8158.2-1987 Methods for chemical analysis of sodium fluoride--The distillation nitric thorium volumetric method for determination of fluorine content
GB/T 8158.5-1987 Methods for chemical analysis of sodium fluoride--The turbidimetric method for the determination of soluble sulphates content
GB/T 22661.3-2008 Chemical analysis methods of potassium fluoborate.Part3:Determination of potassium fluoborate content.Sodium hydroxide titration volumetric method
GB/T 22661.8-2008 Chemical analysis methods of potassium fluoborate.Part8:Determination of free borade content.Sodium hydroxide titration volumetric method
GB/T 223.3-1988 Methods for chemical analysis of iron, steel and alloy--The diantipyrylmethane phosphomolybdate gravimetric method for the determination of phosphorus content
GB 223.3-1988 Methods for chemical analysis of iron, steel and alloys-Diantipyrine methane phosphomolybdic acid gravimetric method for determination of phosphorus content
GB/T 19421.1-2003 Test methods of crystalline layered sodium disilicate--Qualitative analysis of delta-crystalline layered sodium disilicate--Method of X-ray diffractometer
GB/T 6150.3-2009 Methods for chemical analysis of tungsten concentrates-Determination of phosphotus content-The phosphorus molybdenum yellow spectrophotometry
GB/T 23278.3-2009 Methods for chemical analysis of sodium stannate.Part 3:Determination of arsenic content.Molybdoantimonyarsenate blue spectrophotometric method
GB/T 7730.3-1997 Methods for chemical analysis of ferromanganese. The determination of phosphorus content
GB 223.18-1982 Chemical analysis of iron,steel and alloy--The determination of copper by thiosulfate-iodide method
GB/T 9984.6-2004 Sodium tripolyphosphate for industrial use---Determination of iron content---2,2'-bipyridyl spectrophotometric method
GB/T 23278.2-2009 Methods for chemical analysis of sodium stannate.Part 2:Determination of iron content.1,10-phenanthroline photometric method
GB/T 15079.5-1994 Molybdenum concentrates-Determination of phosphorus content
GB/T 8638.9-1988 Nickel base alloy powder--Determination of copper content--Thiosulfate-iodimetric method
GB/T 6150.12-1985 Methods for chemical analysis of tungsten concentrates--The hydrochloric acid-sodium chloride supporting electrolyte polarographic method for the determination of lead content
GB/T 223.63-1988 Methods for chemical analysis of iron, steel and alloy--The sodium(potassium)periodate photometric method for the determination of manganese content
GB 223.63-1988 Chemical analysis methods of steel and alloys Sodium periodate (potassium) spectrophotometric determination of manganese content
GB/T 14506.9-2010 Methods for chemical analysis of silicate rocks.Part 9:Determination of phosphorus pentoxide content
GB/T 223.18-1994 Methods for chemical analysis of iron steel and alloy.The sodium thiosulfate separation iodimetric method for the determination of cupper content
GB/T 6730.18-1986 Methods for chemical analysis of iron ores--The n-butyl acetate extraction-molybdenum blue photometric method for the determination of phosphorus content
GB/T 223.62-1988 Methods for chemical analysis of iron, steel and alloy--The butyl acetate extraction photometric method for the determination of phosphorus content
GB 223.62-1988 Method for Chemical Analysis of Iron, Steel and Alloy Butyl Acetate Extraction Spectrophotometric Determination of Phosphorus
GB/T 15076.12-2008 Method for chemical analysis of tantalum and niobium.Determination of phosphorus content in tantalum
GB/T 15076.7-1994 Methods for chemical analysis of tantalum and niobium-Determination of phospherus content in niobium
GB/T 22661.7-2008 Chemical analysis methods of potassium fluoborate.Part7:Determination of sodium content.Flame atomic absorption spectrometric method
GB/T 23273.5-2009 Methods for chemical analysis of cobalt oxalate.Part 5:Determination of calcium,magnesium and sodium content.Flame atomic absorption spectrometry
GB/T 14849.7-2015 Methods for chemical analysis of silicon metal.Part 7:Detemination of phosphorus content.Phosphorus molybdenum blue spectrophotometry
GB/T 6766-1986 Radiochemical analysis of strontium-90 in water--Extraction chromatography by di-(2-ethylhexyl) phosphoric acid
GB/T 22662.9-2008 Chemical analysis methods of potassium fluotitanate.Part9:Determination of phosphorus pentoxide content.Molybdenum blue photometric method
GB/T 22661.10-2008 Chemical analysis methods of potassium fluoborate.Part 10:Determination of phosphorus pentoxide content.Molybdenum blue Photometric method
GB/T 6730.6-1986 Methods for chemical analysis of iron ores--The ferric chloride-sodium acetate volumetric method for the determination of metallic iron content
GB/T 8647.4-2006 The methods for chemical analysis of nickel. Determination of phosphorous content. Molybdenum blue spectrophotometric method
GB/T 8638.5-1988 Nickel base alloy powder--Determination manganese content--Sodium(potassium periodate spectrophotometric method)
GB/T 14506.28-2010 Methods for chemical analysis of silicate rocks.Part 28:Determination of 16 major and minor elements content
GB/T 5121.2-1996 Copper and copper alloys--Determination of phosphorus content
GB/T 14506.11-2010 Methods for chemical analysis of silicate rocks.Part 11:Determination of potassium oxide and sodium oxide content
GB/T 23852-2009 Analytical method of thiocyanate for industrial use
GB/T 15076.16-2008 Method for chemical analysis of tantalum and niobium.Determination of sodium and potassium contents
GB/T 15079.10-1994 Molybdenum concentrates-Determination of potassium and sodium content
GB/T 14949.7-1994 Manganese ores- Determination of sodium and potassium contents
GB/T 26416.9-2023 Methods of Chemical Analysis of Rare Earth Ferroalloys Part 9: Determination of Phosphorous Amount Bismuth Phosphorus Molybdenum Blue Spectrophotometric Method
GB/T 16033-1995 Workplace air--Determination of hydrogen cyanide and cyanides--Sodium isonicotinate-sodium barbiturate spectrophotometric method
GB/T 3286.6-1998 Methods for chemical analysis of limestone and dolomite--The determination of phosphorus content
GB/T 10658-1989 Analytical methods for boiler water and colling water--Determination of iron in prefilming liquid containing phosphorus and zinc--Sulphosalicylic acid spectrophotometry
GB/T 223.12-1991 Methods for chemical analysis of iron,steel and alloy--The sodium carbonate separation-diphenyl carbazide photometric method for the determination of chromium content
GB/T 12155-1989 Analysis of water used in boiler and cooling system--Determination for sodium--Dynamic method
GB/T 12156-1989 Analysis of water used in boiler and cooling system--Determination for sodium--Static method
GB/T 4372.2-1984 Methods for chemical analysis of zinc oxide(direct process)--The phosphoric acid supporting electrolyte polarographic methods for the determination of lead oxide and cadmium oxide contents
GB/T 11222.1-1989 Radiochemical analysis of strontium-90 in ash of biological samples--Extraction chromatography by di-(2-ethylhexyl) phosphate
GB/T 14506.28-1993 Silicate rocks. Determination of contents of major and minor elements. X-ray fluorescence spectrometric method
GB/T 3286.6-2014 Methods for chemical analysis of limestone and dolomite.Part 6: The determination of phosphorus content.The phosphomolybdate blue spectrophotometric method
GB/T 18114.9-2000 Methods for chemical analysis of monazite concentrates-Determination of phosphor oxide content
GB/T 4324.24-2012 Methods for chemical analysis of tungsten.Part 24:Determination of phosphorus content.Molybdemum blue photometry
GB/T 4325.22-2013 Methods for chemical analysis of molybdenum.Part 22:Determination of phosphorus content.Molybdenum blue spectrophotometry
GB/T 6610.5-2003 Chemical analysis methods of aluminium hydroxide-Determination of sodium oxide content
GB/T 23940-2009 Analytical methods of persulfate products for industrial use
GB/T 18114.9-2010 Chemical analysis methods of rare earth concentrates.Part 9: Determination of phosphorus pentoxide content.Phosphorus-bismuth-molybdenum blue spectrophotometry

Association Francaise de Normalisation, Analytical method of sodium hypophosphite

NF T20-485:1973 Sodium tripolyphosphate and pyrophosphate for industrial use. Granulometric analysis by mechanical sieving.
NF T20-488:1985 Sodium tripolyphosphate and pyrophosphate for industrial use. Separation by column chromatography and determination of the different phosphate forms.
NF T20-483:1973 SODIUM TRIPOLYPHOSPHATE AND PYROPHOSPHATE ; DETERMINATION OF IRONCONTENT ; 2,2'-BIPYRIDYL SPECTROPHOTOMETRIC METHOD.
NF T73-292*NF EN 14670:2005 Surface active agents - Sodium dodecyl sulfate - Analysis method.
NF EN 14670:2005 Agents de surface - Dodécylsulfate de sodium - Méthode d'analyse
XP CEN ISO/TS 29843-1:2014 Qualité du sol - Détermination de la diversité microbienne du sol - Partie 1 : méthode par analyse des acides gras phospholipidiques (PLFA) et par analyse des lipides éther phospholipidiques (PLEL)
NF T73-233*NF ISO 893:1990 Surface active agents. Technical alkane sulfonates. Methods of analysis.
NF T73-232:1978 Surface active agents. Technical sodium secondary alkylsulphates. Methods of analysis.
NF T73-231:1978 Surface active agents. Technical sodium primary alkylsulphates. Methods of analysis.
XP X31-292-1*XP CEN ISO/TS 29843-1:2014 Soil quality - Determination of soil microbial diversity - Part 1 : method by phospholipid fatty acid analysis (PLFA) and phospholipid ether lipids (PLEL) analysis
NF A06-724-1:1992 Analyse chimique du cuivre - Dosage du phosphore - Partie 1 : méthode par spectrophotométrie au molybdovanadate
NF T73-234:1978 Surface active agents. Technical sodium alkylarylsulphonates(excluding benzene derivatives). Methods of analysis.
NF EN 15621:2017 Aliments pour animaux : méthodes d'échantillonnage et d'analyse - Dosage du calcium, du sodium, du phosphore, du magnésium, du potassium, du soufre, du fer, du zinc, du cuivre, du manganèse et du cobalt après digestion sous pression par ICP-AES
NF V18-213*NF EN 15510:2017 Animal feeding stuffs: Methods of sampling and analysis - Determination of calcium, sodium, phosphorus, magnesium, potassium, iron, zinc, copper, manganese, cobalt, molybdenum and lead by ICP-AES
NF EN 15510:2017 Aliments des animaux - Méthodes d'échantillonnage et d'analyse - Détermination des teneurs en calcium, sodium, phosphore, magnésium, potassium, fer, zinc, cuivre, manganèse, cobalt, molybdène et plomb par ICP-AES
NF T73-011:1959 Surface active agents. Technical sodium salts of sulphuric esters of amido-alcohols derived from fatty acids. Analytical method.
NF T20-406:1971 Sodium chloride for industrial use. Determination of calcium and magnesium (EDTA complexometric method).
XP CEN ISO/TS 29843-2:2021 Qualité du sol - Détermination de la diversité microbienne du sol - Partie 2 : méthode par analyse des acides gras phospholipidiques (PLFA) en utilisant la méthode simple d'extraction des PLFA

Professional Standard - Machinery, Analytical method of sodium hypophosphite

JB/T 7520.5-1994 Chemical analysis method for phosphorus copper brazing filler metal Determination of tin content with hypophosphite reducing volumetric method
JB/T 8063.5-1996 Powder metallurgy materials and products chemical analysis method Determination of tin in copper-based materials and products (sodium hypophosphite reduction-potassium iodate titration method)
JB/T 8063.5-2011 Methods for chemical analysis of powder metallurgy materials and products:Part 5:The secondary sodium phosphate reduction – potassium iodate titrimetric method for the determination of tin in copper-based materials and products
JB/T 7520.3-1994 Chemical analysis method for phosphorus copper brazing filler metal Determination of phosphorus content with vanadium-molybdenum acid
JB/T 9220.4-1999 Chemical analysis methods for acid slay of cupola.Determination of manganous oxide by volumetric method using sodium arsenite-sodium nitrite
JB/T 9548.3-1999 Methods for chemical analysis of iron-chromium-aluminium alloys.The sodium periodate photometric method for the determination of carbon content
JB/T 6326.6-1992 Method for chemical analysis of nickel chromium and nickel chromium iron alloy - Determination of manganese content by sodium periodate photometric method
JB/T 9499.2-1999 Method for chemical analysis of constantan resistance alloy The potassium iodide - sodium thiosulfate titrimetric method for the determination of copper content
JB/T 9548.11-2015 Methods for chemical analysis of Fr-Cr-Al alloys.Part 11: Determination of phosphorus content

Professional Standard - Electron, Analytical method of sodium hypophosphite

SJ/T 10087.8-1991 Methods for chemical analysis of sodium pyroautimonate
SJ/T 10087.7-1991 Methods for chemical analysis of sodium hexafluorsilicate
SJ/T 11017-1996 Methods of analysis for pure silver brazing for electronic components - Determination of phosphorus (spectrophotometric phosphomolybdate method)
SJ/T 11031-1996 Methods of analysis for gold-copper and gold-nickel brazing for electronic components - Determination of phosphorus (spectrophotometric phosphomolybdate method)

RO-ASRO, Analytical method of sodium hypophosphite

STAS 1817/3-1974 SODIUM THIOSULFATE Methods of analysis
SR 2567-3-1997 Soft drinks - Methods of analysis - Determination of sodium benzoate content
SR 2567-1-1997 Soft drinks - Methods of analysis - Determination of total acidity (Uzual method )

Professional Standard - Non-ferrous Metal, Analytical method of sodium hypophosphite

YS/T 230.5-1994 High pure indium--Determination of sulphur content
YS/T 1028.3-2015 Methods for chemical analysis of lithium iron phosphate.Part 3:Determination of phosphor content.Quinoline phosphomolybdate gravimetry
YS/T 535.7-2006 Sodium Fluoride Chemical Analysis Method for Determination of Acidity by Neutralization Method
YS/T 535.7-2009 Chemical analysis methods of sodium fluoride.Part 7:Determination of acidity.Neutral titration method
YS/T 535.6-2006 Sodium fluoride chemical analysis method gravimetric determination of carbonate content
YS/T 254.3-2011 Methods for chemical analysis of beryllium concentrate and beryl.Part 3:Determination of phosphorus content.Phosphomlybdium vanadic acid spectrophotometry
YS/T 252.4-2007 Methods for chemical analysis of nickel matte.Determination of copper content.Sodium thiosulphate titrimetric method
YS/T 1028.2-2015 Methods for chemical analysis of lithium iron phosphate.Part 2:Determination of lithium content.Flame photometry
YS/T 568.7-2008 Chemical analysis methods for zirconium oxide and hafnium oxide.Determination of phosphorus content.The reduced molybdoantimonylphosphate complex spectrophotometric method
YS/T 535.6-2009 Chemical analysis methods of sodium fluoride.Part 6:Determination of carbonate content.Gravimetric method
YS/T 226.12-2009 Methods for chemical analysis of selenium.Part 12:Determination of selenium content.Sodium thiosulphate titrimetric method
YS/T 716.1-2009 Methods for chemical analysis of low grade blister.Part 1:The determination of copper content.Sodium hyposulfite titration
YS/T 535.2-2006 Method for chemical analysis of sodium fluoride Distillation-thorium nitrate volumetric method for determination of fluorine content
YS/T 535.5-2006 Method for chemical analysis of sodium fluoride - Determination of soluble sulfate content by nephelometric method
YS/T 555.5-2009 Methods for chemical analysis of molybdenum concentrate.Determination of phosphorus content.Phosphorus molybdenum blue spectrophotometry
YS/T 475.4-2005 Methods for chemical analysis of cast bearing metals-Determination of copper content-Hyposulphite titrimetric method
YS/T 746.14-2010 Methods for chemical analysis of lead-free tin-based solders- Part 14: Determination of phosphorus content- Crystal violet phosphorus-vanadium-molybdenum heteropoly acid spectrophotometry
YS/T 535.5-2009 Chemical analysis methods of sodium fluoride.Part 5:Determination of soluble sulphates content.Turbidimetric method
YS/T 555.5-2006 Molybdenum Concentrate Chemical Analysis Method Determination of Phosphorus
YS/T 539.9-2006 Nickel-based alloy powder chemical analysis method sodium thiosulfate-iodometric method for determination of copper content
YS/T 1028.1-2015 Methods for chemical analysis of lithium iron phosphate.Part 1:Determination of total iron content.Titanium trichloride reduction potassium dichromate titration methods
YS/T 1028.4-2015 Methods for chemical analysis of lithium iron phosphate.Part 4:Determination of carbon content.High frequency combustion with infrared absorption method
YS/T 539.9-2009 Methods for chemical analysis of nickel base alloy powder.Part 9:Determination of copper content.Thiosulfate iodimetry
YS/T 1028.5-2015 Methods for chemical analysis of lithium iron phosphate.Part 5:Determination of calcium、magnesium、zinc、copper、lead、chromium、sodium、aluminium、nickel、cobalt、manganese content.Inductively coupled plasma atomic emission spectrometry
YS/T 254.1-1994 Methods for chemical analysis of beryllium concentrates-beryl The phosphate gravimetric method for the determination of beryllium oxide content
YS/T 254.1-2011 Methods for chemical analysis of beryllium concentrate and beryl.Part 1: Determination of beryllium oxide content.Phosphate gravimetry
YS/T 984-2014 Determination of boron and phosphorus concent in silicon powder by chemical analysis
YS/T 535.2-2009 Chemical analysis methods of sodium fluoride.Part 2:Determination of fluorine content.Distillation-thorium nitrate volumetric method
YS/T 807.12-2012 Chemical analysis methods of aluminum hardeners.Part 12:Determination of copper content.Sulfur and sodium titration method
YS/T 1047.3-2015 Methods for chemical analysis of copper magnetite.Part 3:Determination of copper and iron contents.Sodium hyposulfite titration
YS/T 715.1-2009 Methods for chemical analysis of selenium dioxide.Part 1:Determination of selenium dioxide content.Sodium thiosulfate titration
YS/T 539.5-2006 Nickel-based alloy powder chemical analysis method Sodium periodate (potassium) oxidation spectrophotometry Determination of manganese content
YS/T 555.10-2006 Method for chemical analysis of molybdenum concentrate Determination of potassium and sodium content
YS/T 539.5-2009 Methods for chemical analysis of nickel base alloy powder.Part 5:Determination of manganese content.Sodium(potassium)periodate spectrophotometry
YS/T 1593.2-2023 Methods for chemical analysis of crude lithium carbonate— Part 2：Determination of nickel, cobalt, manganese, copper, aluminum, iron, calcium, magnesium, sodium,potassium, lead, cadmium, chromium, arsenic, phosphorus contents—Inductively cou...
YS/T 953.3-2014 Methods for chemical analysis of nickel substrate material.Part 3: Determination of phosphorus content.Bismuth phosphomolybdate blue spectrophotometric method
YS/T 1047.5-2015 Methods for chemical analysis of copper magnetite.Part 5:Determination of phosphorus content.Titrimetric method
YS/T 281.5-2011 Methods for chemical analysis of cobalt.Part 5:Determination of phosphorus content.Molybdenum blue spectrophotometry
YS/T 534.5-2006 Determination of sodium oxide content by chemical analysis method of aluminum hydroxide
YS/T 535.9-2009 Chemical analysis methods of sodium fluoride.Part 9:Determination of chloride content.The turbidimetric method

BE-NBN, Analytical method of sodium hypophosphite

NBN T 03-300-1980 Sodium tripolyphosphate and sodium pyrophosphate for industrial use -Separation by column chromatography and determination of the different phosphate forms
NBN T 03-293-1980 Sodium tripolyphosphate and sodium pyrophosphate for industrial use - Determination of iron content - 2,2'-Bipyridyl spectro-photometric method
NBN T 63-112-1980 Surface active agents - Technical sodium secondary alkylsulphates -Methods of analysis
NBN T 63-111-1980 Surface active agents - Technical sodium primary alkylsulphates -Methods of analysis
NBN T 03-263-1980 Phosphoric acid for industrial use - Determination of sulphate content - Method by reduction and titrimetry
NBN T 63-118-1980 Surface active agents - Technical sodium alkylarylsulphonates (excluding benzene derivatives)-Methods of analysis
NBN T 03-266-1980 .Phosphoric acid for industrial use - Determination of soluble silica content - Reduced molybdosilicate spectrophotometric method
NBN T 03-529-1983 Sodium hexafluorosilicate for industrial use - Determination of iron content - 1 , 10-Phenanthroline spectrophotometric method

IN-BIS, Analytical method of sodium hypophosphite

TR-TSE, Analytical method of sodium hypophosphite

TS 762-1969 SODIUM TRIPOLYPHOSPHATE FOR INDUSTRIAL USE MEASUREMENT OF pH POTENTIOMETRIC METHOD
TS 2068-1975 SODIUM TRIPOLYPHOSPHATE AND SODIUM PYROPHOSPHATE FOR INDUSTRIAL USE DETERMINATION OF IRON CONTENT 2,2'-BIPYRIDYL SPECTROPHOTOMETRIC METHOD
TS 404-1966 METHODS OF CHEMICAL ANALYSIS OF MANGANESE ORES DETERMINATION OF PHOSPHORUS
TS 2038-1975 METHODS FOR THE CHEMICAL ANALYSIS OF IRON AND STEELS DETERMINATION OF PHOSPHORUS CONTENT

RU-GOST R, Analytical method of sodium hypophosphite

GOST 24596.0-2015 Feed phosphates. General requirements for analysis methods
GOST 24596.0-1981 Feed phosphates. General requirements to methods of analysis
GOST 24596.1-2015 Feed phosphates. Methods of sampling and preparations of samplefor analysis
GOST R 50001-1992 Surface active agents. Technical sodium secondary alkylsulphates. Methods of analysis
GOST R 50002-1992 Surface active agents. Primary technical sodium alkylsulphates. Methods of analysis
GOST 24596.6-2015 Feed phosphates. Methods for determination of moisture
GOST 6674.0-1996 Copper-phosphorus alloys. General requirements for methods of analysis
GOST 24596.12-2015 Feed phosphates. Method for determination of ash insoluble in hydrochloric acid

FI-SFS, Analytical method of sodium hypophosphite

SFS 3778-1976

Professional Standard - Aerospace, Analytical method of sodium hypophosphite

QJ/Z 92-1982 Analytical method of pyrophosphate copper plating solution

American Society for Testing and Materials (ASTM), Analytical method of sodium hypophosphite

ASTM E359-10 Standard Test Methods for Analysis of Soda Ash (Sodium Carbonate)
ASTM D4450-85(2007) Standard Test Method for Analysis of Zinc Hydroxy Phosphite Pigment
ASTM D4450-85(2002) Standard Test Method for Analysis of Zinc Hydroxy Phosphite Pigment
ASTM E359-00(2005) Standard Test Methods for Analysis of Soda Ash (Sodium Carbonate)
ASTM D2023-89(2003) Standard Test Method of Analysis for Sodium Toluene Sulfonate in Detergents
ASTM E359-17 Standard Test Methods for Analysis of Soda Ash (Sodium Carbonate)
ASTM D4450-85(1990)e1 Standard Test Method for Analysis of Zinc Hydroxy Phosphite Pigment
ASTM D4450-85(1996) Standard Test Method for Analysis of Zinc Hydroxy Phosphite Pigment
ASTM D4450-85(2019) Standard Test Method for Analysis of Zinc Hydroxy Phosphite Pigment
ASTM D2023-89(1995)e1 Standard Test Method of Analysis for Sodium Toluene Sulfonate in Detergents
ASTM D2023-89(2009) Standard Test Method of Analysis for Sodium Toluene Sulfonate in Detergents
ASTM D2023-89(2016) Standard Test Method of Analysis for Sodium Toluene Sulfonate in Detergents
ASTM D7597-09e2 Standard Test Method for Determination of Diisopropyl Methylphosphonate, Ethyl Hydrogen Dimethylamidophosphate, Ethyl Methylphosphonic Acid, Isopropyl Methylphosphonic Acid, Methylphosphonic Acid and Pinacolyl Methylphosphonic Acid in Water by Liquid Chro
ASTM C169-16(2022) Standard Test Methods for Chemical Analysis of Soda-Lime and Borosilicate Glass
ASTM E534-98 Standard Test Methods for Chemical Analysis of Sodium Chloride
ASTM E534-98(2003) Standard Test Methods for Chemical Analysis of Sodium Chloride
ASTM E2824-23 Standard Test Method for Determination of Beryllium in Copper-Beryllium Alloys by Phosphate Gravimetry
ASTM E223-96 Standard Test Methods for Analysis of Sulfuric Acid
ASTM E223-96(2002)e1 Standard Test Methods for Analysis of Sulfuric Acid
ASTM E224-96(2002) Standard Test Methods for Analysis of Hydrochloric Acid
ASTM E224-96 Standard Test Methods for Analysis of Hydrochloric Acid
ASTM E534-08 Standard Test Methods for Chemical Analysis of Sodium Chloride
ASTM E534-18 Standard Test Methods for Chemical Analysis of Sodium Chloride
ASTM E534-13 Standard Test Methods for Chemical Analysis of Sodium Chloride
ASTM E248-02 Test Method for Determination of Manganese in Manganese Ores by Pyrophosphate Complexed Permanganate Potentiometric Titrimetry
ASTM E248-97 Standard Test Method for Manganese in Manganese Ores by Pyrophosphate Complexed Permanganate Potentiometric Method
ASTM E223-23 Standard Test Methods for Analysis of Sulfuric Acid
ASTM E223-08 Standard Test Methods for Analysis of Sulfuric Acid
ASTM E224-08 Standard Test Methods for Analysis of Hydrochloric Acid
ASTM E224-23 Standard Test Methods for Analysis of Hydrochloric Acid
ASTM E224-16 Standard Test Methods for Analysis of Hydrochloric Acid
ASTM E223-16 Standard Test Methods for Analysis of Sulfuric Acid
ASTM E223-23e1 Standard Test Methods for Analysis of Sulfuric Acid
ASTM E223-96(2002) Standard Test Methods for Analysis of Sulfuric Acid
ASTM D4487-90(1999) Standard Test Methods for Analysis of Calcium Borosilicate
ASTM D4487-90(2014) Standard Test Methods for Analysis of Calcium Borosilicate
ASTM D4487-90(2020) Standard Test Methods for Analysis of Calcium Borosilicate
ASTM E291-96 Standard Test Methods for Chemical Analysis of Caustic Soda and Caustic Potash (Sodium Hydroxide and Potassium Hydroxide)
ASTM E291-01 Standard Test Methods for Chemical Analysis of Caustic Soda and Caustic Potash (Sodium Hydroxide and Potassium Hydroxide)

International Organization for Standardization (ISO), Analytical method of sodium hypophosphite

ISO/R 852:1968 Sodium tripolyphosphate and sodium pyrophosphate for industrial use; Determination of iron content; 2,2'- Bipyridyl spectrophotometric method
ISO 893:1978 Surface active agents — Technical sodium alkane sulphonates — Methods of analysis
ISO 6598:1985 Fertilizers; Determination of phosphorus content; Quinoline phosphomolybdate gravimetric method
ISO 894:1977 Surface active agents; Technical sodium primary alkylsulphates; Methods of analysis
ISO 895:1977 Surface active agents; Technical sodium secondary alkylsulphates; Methods of analysis
ISO 5440:1978 Sodium hexafluorosilicate for industrial use; Determination of phosphate content; Molybdovanadate spectrophotometric method
ISO/R 321:1963 Methods of chemical analysis of manganese ores — Determination of phosphorus
ISO/TS 29843-1:2010 Soil quality - Determination of soil microbial diversity - Part 1: Method by phospholipid fatty acid analysis (PLFA) and phospholipid ether lipids (PLEL) analysis
ISO 17560:2014 Surface chemical analysis — Secondary-ion mass spectrometry — Method for depth profiling of boron in silicon
ISO 1104:1977 Surface active agents; Technical sodium alkylarylsulphonates (excluding benzene derivatives); Methods of analysis

AENOR, Analytical method of sodium hypophosphite

UNE 55558:1979 SURFACE ACTIVE AGENTS. SODIUM TRIPOLYPHOSPHATE AND SODIUM PYROPHOSPHATE FOR USE AS RAW-MATERIALS IN DETERGENT FORMULATIONS. DETERMINATION OF TOTAL PHOSPHORUS (V) OXIDE CONTENT. QUINOLINE PHOSPHOMOLYBDATE GRAVIMETRIC METHOD
UNE 55528:1992 SODIUM HYPOCHLORITE SOLUTIONS FOR USE AS RAW MATERIAL IN DETERGENT FORMULATIONS. SAMPLING AND CHEMICAL ANALYSIS.
UNE-EN 14670:2005 Surface active agents - Sodium dodecyl sulfate - Analytical method
UNE 55529:1992 CALCIUM HYPOCHLORITE FOR USE AS RAW MATERIAL IN DETERGENT FORMULATIONS. SAMPLING AND CHEMICAL ANALYSIS.

工业和信息化部, Analytical method of sodium hypophosphite

YS/T 535.11-2020 Methods for chemical analysis of sodium fluoride Part 11: Determination of sodium fluorosilicate content Acid-base titration method
YS/T 1382-2020 Methods for chemical analysis of silver-copper-phosphorus alloys - Determination of phosphorus content - Phosphomolybdenum yellow spectrophotometry
YS/T 1320.1-2019 Methods for chemical analysis of sodium tetrachloropalladate Part 1: Determination of palladium content Diacetyl oxime gravimetric method
YS/T 1084.3-2018 Methods for chemical analysis of crude selenium Part 3: Determination of selenium content Hydroxylamine hydrochloride reduction gravimetric method and sodium thiosulfate titration method
YS/T 1467.6-2021 Methods for chemical analysis of hafnium Part 6: Determination of phosphorus content
YS/T 1467.8-2021 Methods of chemical analysis of hafnium Part 8: Determination of sodium content
JC/T 618-2019 Chemical analysis methods for leached chlorides, fluorides, silicates and sodium ions in thermal insulation materials

Professional Standard - Nuclear Industry, Analytical method of sodium hypophosphite

EJ/T 1231.2-2008 Test method for analysis of impurity in diuranate.Part2: Determination of phosphate by phoshocomolybdenum blue spectrophotometry

Japanese Industrial Standards Committee (JISC), Analytical method of sodium hypophosphite

JIS K 1453:1960 The analysis of metallic sodium
JIS K 1454:1960 The analysis of sodium cyanide
JIS K 0170-4:2011 Testing methods for water quality by flow analysis -- Part 4: Orthophosphate and total phosphorus
JIS K 0170-4:2019 Testing methods for water quality by flow analysis -- Part 4: Orthophosphate and total phosphorus
JIS H 1241:1977 Methods for chemical analysis of phosphor bronze
JIS H 1552:1976 Methods of chemical analysis for phosphor copper ingots
JIS K 1468-4:1999 Acid-grade fluorspar -- Method for chemical analysis -- Part 4: Determination of total phosphorus content
JIS G 1214:1992 Methods for determination of phosphorus in iron and steel
JIS R 3101:1995 Methods for chemical analysis of Soda-Lime-Magnesia-Silica glasses
JIS G 1321-3:2009 Method for chemical analysis of manganese metal -- Part 3: Method for determination of phosphorus content
JIS G 1322-3:2010 Method for chemical analysis of metallic silicon -- Part 3: Methods for determination of phosphorus content
JIS G 1312-3:2011 Method for chemical analysis of ferrosilicon -- Part 3: Methods for determination of phosphorus content
JIS G 1325-4:2013 Method for chemical analysis of ferrosilicochromium -- Part 4: Determination of phosphorus content
JIS G 1323-3:2017 Method for chemical analysis of chromium metal -- Part 3: Determination of phosphorus content
JIS R 3105:1995 Methods for chemical analysis of borosilicate glasses
JIS K 6504:1976 Analytical method for vegetable tannin extracts

YU-JUS, Analytical method of sodium hypophosphite

JUS H.B8.291-1999 Fertilizers - Determination of phosphorus content - Magnesium pyrophosphate gravimetric method
JUS B.G8.112-1977 Methods of chemical analysis of iron ores. Determination of phosphorus content
JUS C.A1.056-1986 Methods for chemical analysis of iron and steel. Determination of phosphorus. Spectrophotometric meihod
JUS C.A1.419-1983 Methods for Chemical analysis of ferroa!loys. Volumetric determination of phospfrorus in ferro-silicon
JUS C.A1.411-1983 Methods for chemical analysis of ferroalloys. Photometric determination of phosphorus in ferrochromium
JUS C.A1.427-1982 Methods for chemical analysis of ferroalloys. Photometric determination of phosphorus in ferrosilico-chromium

Professional Standard - Geology, Analytical method of sodium hypophosphite

DZ/T 0064.61-2021 Methods of Analytical Groundwater Quality Part 61: Determination of Phosphate Phosphorous Bismuth Molybdenum Blue Spectrophotometric Method
DZ/T 0064.87-2021 Groundwater Quality Analysis Methods Part 87: Determination of 13C Online Phosphoric Acid Hydrolysis-Gas Isotope Mass Spectrometry
DZ/T 0064.64-2021 Methods of analysis of groundwater quality - Part 64: Determination of sulfate disodium edetate - barium titration
DZ/T 0064.14-2021 Methods for analysis of groundwater quality - Part 14: Determination of magnesium content by ethylenediaminetetraacetic acid disodium titration
DZ/T 0064.13-2021 Methods for analysis of groundwater quality - Part 13: Determination of calcium content by ethylenediaminetetraacetic acid disodium titration method
DZ/T 0064.15-2021 Methods of analysis of groundwater quality - Part 15: Determination of total hardness by ethylenediaminetetraacetic acid disodium titration

ES-AENOR, Analytical method of sodium hypophosphite

UNE 55-510-1991 Surface active agents. Technical alkane sulfonates. Methods of analysis

Korean Agency for Technology and Standards (KATS), Analytical method of sodium hypophosphite

KS M ISO 4313-2003(2018) Washing powders－Determination of total phosphorus(V) oxide content－Quinoline phosphomolybdate gravimetric method
KS M ISO 894-2007(2018) Surface active agents－Technical sodium primary alkylsulphates－Methods of analysis
KS M ISO 6598:2007 Fertilizers-Determination of phosphorus content-Quinoline phosphomolybdate gravimetric method
KS M ISO 6598:2013 Fertilizers－Determination of phosphorus content－Quinoline phosphomolybdate gravimetric method
KS D 1716-2003 Methods of chemical analysis for phosphor copper ingots
KS M ISO 5440-2017(2022) Sodium hexafluorosilicate for industrial use — Determination of phosphate content — Molybdovanadate spectrophotometric method
KS M ISO 893:2007 Surface active agents－Technical alkane sulfonates－Methods of analysis
KS M ISO 895-2007(2018) Surface active agents－Technical sodium secondary alkylsulphates－Methods of analysis
KS M ISO 5440:2002 Sodium hexafluorosilicate for industrial use-Determination of phosphate content-Molybdovanadate spectrophotometric method
KS M ISO 5440:2017 Sodium hexafluorosilicate for industrial use — Determination of phosphate content — Molybdovanadate spectrophotometric method
KS M ISO 894:2007 Surface N agents-Technical sodium primary alkylsulphates-Methods of analysis
KS M ISO 895:2007 Surface N agents-Technical sodium secondary alkylsulphates-Methods of analysis
KS D ISO 11400-2001(2016) Nickel, ferronickel and nickel alloys－Determination of phosphorus Content－Phosphovanadomolybdate molecular absorption spectrometric method
KS D ISO 4741-2002(2017) Copper and copper alloys－Determination of phosphorus content－Molybdovanadate spectrometric method
KS D 2007-1991 Methods for chemical analysis of copper phosphorus brazing filler metals
KS E ISO 4293-2012(2017) Manganese ores and concentrates－Determination of phosphorus content－Extraction-molybdovanadate photometric method
KS M ISO 1104:2006 Surface active agents－Technical sodium alkylarylsulphonates(excluding benzene derivatives)－Methods of analysis
KS M ISO 1104:2022 Surface active agents — Technical sodium alkylarylsulphonates (excluding benzene derivatives) — Methods of analysis
KS M ISO 1104-2006(2021) Surface active agents－Technical sodium alkylarylsulphonates(excluding benzene derivatives)－Methods of analysis
KS M ISO 1104-2006(2016) Surface active agents－Technical sodium alkylarylsulphonates(excluding benzene derivatives)－Methods of analysis

German Institute for Standardization, Analytical method of sodium hypophosphite

DIN EN 14670:2005 Surface active agents - Sodium dodecyl sulfate - Analytical method; German version EN 14670:2005
DIN EN 14670:2005-09 Surface active agents - Sodium dodecyl sulfate - Analytical method; German version EN 14670:2005
DIN CEN ISO/TS 29843-1:2014-12*DIN SPEC 91201-1:2014-12 Soil quality - Determination of soil microbial diversity - Part 1: Method by phospholipid fatty acid analysis (PLFA) and phospholipid ether lipids (PLEL) analysis (ISO/TS 29843-1:2010); German version CEN ISO/TS 29843-1:2014
DIN EN ISO 15681-2:2019-05 Water quality - Determination of orthophosphate and total phosphorus contents by flow analysis (FIA and CFA) - Part 2: Method by continuous flow analysis (CFA) (ISO 15681-2:2018); German version EN ISO 15681-2:2018
DIN ISO/TS 29843-1:2011 Soil quality - Determination of soil microbial diversity - Part 1: Method by phospholipid fatty acid analysis (PLFA) and phospholipid ether lipids (PLEL) analysis (ISO/TS 29843-1:2010)
DIN EN 15510:2017 Animal feeding stuffs - Methods of sampling and analysis - Determination of calcium, sodium, phosphorus, magnesium, potassium, iron, zinc, copper, manganese, cobalt, molybdenum and lead by ICP-AES
DIN EN 15510:2017-10 Animal feeding stuffs - Methods of sampling and analysis - Determination of calcium, sodium, phosphorus, magnesium, potassium, iron, zinc, copper, manganese, cobalt, molybdenum and lead by ICP-AES; German version EN 15510:2017
DIN EN 15621:2017 Animal feeding stuffs - Methods of sampling and analysis - Determination of calcium, sodium, phosphorus, magnesium, potassium, sulphur, iron, zinc, copper, manganese and cobalt after pressure digestion by ICP-AES

KR-KS, Analytical method of sodium hypophosphite

KS M ISO 5440-2017 Sodium hexafluorosilicate for industrial use — Determination of phosphate content — Molybdovanadate spectrophotometric method
KS M ISO 894-2007(2023) Surface active agents－Technical sodium primary alkylsulphates－Methods of analysis
KS M ISO 895-2007(2023) Surface active agents－Technical sodium secondary alkylsulphates－Methods of analysis
KS E ISO 553-2011 Manganese ores－Determination of vanadium content－Titrimetric method and phosphotungstovanadate Photometric method
KS M ISO 1104-2022 Surface active agents — Technical sodium alkylarylsulphonates (excluding benzene derivatives) — Methods of analysis

Group Standards of the People's Republic of China, Analytical method of sodium hypophosphite

T/CSTM 00780.1-2023 Methods for chemical analysis of sodium vanadate—Part 1: Determination of vanadium content —Ammonium ferrous sulfate titrimetric method
T/CET 404-2023 echnical requirements and test methods of LiFePO4 batteries for cascade utilization of energy storage systems
T/GZNFS 001.4-2019 Methods for Chemical Analysis of Tungsten Slag Part 4: Determination of Phosphorus Content
T/NAIA 004-2020 Determination of Ammonia Nitrogen Concentration in Rumen Fluid Alkaline Sodium Hypochlorite-Phenol Spectrophotometry

Military Standard of the People's Republic of China-Commission of Science,Technology and Industry for National Defence, Analytical method of sodium hypophosphite

GJB 5381.30-2005 Methods of chemical analysis for pyrotech Part 30: Determination of phosphorus content Phosphatomolybdic acid quinoline gravimetric method
GJB 5381.19-2005 Methods of chemical analysis for pyrotech. Part 19: Determination of sodium oxalate and ammonium oxalate content. Permanganimetric method
GJB 5381.10-2005 Methods of chemical analysis for pyrotech Part 10: Determination of potassium nitrate content. Sodium tetraphenylboron
GJB 5381.8-2005 Methods of chemical analysis for pyrotech. Part 8: Determination of Hexamethylene tetramine content. Acid-base titration

Military Standard of the People's Republic of China-General Armament Department, Analytical method of sodium hypophosphite

GJB 8682.30-2015 Methods of chemical analysis of pyrotechnics Part 30: Determination of red phosphorus content Quinoline phosphomolybdate gravimetric method
GJB 8682.19-2015 Methods for chemical analysis of pyrotechnics Part 19: Determination of sodium oxalate and ammonium oxalate content Potassium permanganate method
GJB 8682.10-2015 Methods for chemical analysis of pyrotechnics Part 10: Determination of potassium nitrate content Sodium tetraphenylborate method
GJB 8682.8-2015 Methods for chemical analysis of pyrotechnics Part 8: Determination of hexamethylenetetramine content Acid-base titration method

European Committee for Standardization (CEN), Analytical method of sodium hypophosphite

EN 14670:2005 Surface active agents - Sodium dodecyl sulfate - Analytical method
EN ISO/TS 29843-1:2014 Soil quality - Determination of soil microbial diversity - Part 1: Method by phospholipid fatty acid analysis (PLFA) and phospholipid ether lipids (PLEL) analysis
CEN ISO/TS 29843-1:2014 Soil quality - Determination of soil microbial diversity - Part 1: Method by phospholipid fatty acid analysis (PLFA) and phospholipid ether lipids (PLEL) analysis (ISO/TS 29843-1:2010)
EN ISO/TS 29843-2:2014 Soil quality - Determination of soil microbial diversity - Part 2: Method by phospholipid fatty acid analysis (PLFA) using the simple PLFA extraction method
EN ISO/TS 29843-2:2021 Soil quality - Determination of soil microbial diversity - Part 2: Method by phospholipid fatty acid analysis (PLFA) using the simple PLFA extraction method

Danish Standards Foundation, Analytical method of sodium hypophosphite

DS/EN 14670:2005 Surface active agents - Sodium dodecyl sulfate - Analytical method
DS/ISO/TS 29843-1:2011 Soil quality - Determination of soil microbial diversity - Part 1: Method by phospholipid fatty acid analysis (PLFA) and phospholipid ether lipids (PLEL) analysis

Lithuanian Standards Office , Analytical method of sodium hypophosphite

LST EN 14670-2005 Surface active agents - Sodium dodecyl sulfate - Analytical method

Yunnan Provincial Standard of the People's Republic of China, Analytical method of sodium hypophosphite

DB53/T 664.4-2015 Analytical methods of sugarcane quality - Part 4: Determination of natural phosphoric acid value
DB53/T 639.3-2014 Methods for chemical analysis of direct reduced iron - Part 3: Determination of manganese content - Sodium periodate spectrophotometric method
DB53/T 639.4-2014 Methods for chemical analysis of direct reduced iron - Part 4: Determination of phosphorus content Bismuth phosphomolybdenum blue spectrophotometric method

Guangxi Provincial Standard of the People's Republic of China, Analytical method of sodium hypophosphite

DB45/T 2206.3-2020 Analytical methods of sugarcane quality - Part 3: Determination of natural phosphoric acid value

IT-UNI, Analytical method of sodium hypophosphite

UNI 3308-1953 Procedures for chemical analysis of metals. Determination of the phosphorus in ferrophosphorus. Gravimetric method.
UNI 3622-1955
UNI 3621-1955
UNI 4363-1959
UNI 3623-1955 Procedures for chemical analysis of minerals. Determination of phosphorus in iron ore. Alkalimetric method, for standard analyses.
UNI 7495-1975 Chemical analysis of ferroalloys. Determination of chromium in ferrochromium. Method by disgregation with sodium peroxyde and titration with ammonium iron (ii) sulfate.

Professional Standard - Ferrous Metallurgy, Analytical method of sodium hypophosphite

YB/T 547.4-1995 Methods for chemical analysis of vanadium slag The alkalimetric and reduced molybdobismuthylphosphoric acid photometric method for the determination of phosphorus content
YB/T 178.4-2000 Methods for chemical analysis of silicon-aluminium alloy and silicon-barium-aluminium alloy.The sodium periodate spectrophotometric method for the determination of manganese content

Professional Standard - Environmental Protection, Analytical method of sodium hypophosphite

HJ 534-2009 Ambient air.Determination of ammonia.Sodium hypochlorite.salicylic acid spectrophotometry
HJ 704-2014 Soil quality.Determination of available phosphorus.Sodium hydrogen carbonate solution-Mo-Sb anti spectrophotometric method

Professional Standard - Railway, Analytical method of sodium hypophosphite

TB/T 2059.2-2006 Methods for analysis of diesel locomotive collants Part 2: Determination of sodium silicate
TB 1599-1985 Analysis method of sodium humate, water quality stabilizer for locomotive boilers
TB/T 2059.3-2006 Methods for analysis of diesel locomotive collants Part 3: Determination of sodium nitrite
TB/T 2059.4-1989 Analytical method for cooling water additives of railway diesel locomotives Determination of sodium hypochlorite
TB/T 2059.1-2006 Methods for analysis of diesel locomotive collants Part 1: Determination of disodium tetraborate decahydrate
TB 1603-1985 Analysis method of sodium ethylenediamine tetramethylene phosphonate as water quality stabilizer for locomotive boilers

Standard Association of Australia （SAA）, Analytical method of sodium hypophosphite

AS/NZS 1050.18:1994 Methods for the analysis of iron and steel - Determination of phosphorus - Spectrophotometric method
AS 3580.13.3:1993 Methods for sampling and analysis of ambient air Method 13.3: Determination of fluorides-Total gaseous and acid-soluble airborne particulate fluoride-Sodium acetate coated tube absorption

CZ-CSN, Analytical method of sodium hypophosphite

CSN 72 0119 Cast.1 Z1-1997

AT-ON, Analytical method of sodium hypophosphite

ONORM L 1087-1993 Chemical analysis of soiis - Determination of plant-available phosphate and potassium by calcium-acetate-lactate (CAL)-method
ONORM S 1806-2001 Testing of textiles - Quantitative analysis of binary mixtures - Protein fibres with other fibres - Hypochlorite method
ONORM M 6237-1986 Water analysis; determination ofphosphorus Compounds; ammonium molybdate spectrophotometric method
ONORM L 1088-1993 Chemical analysis of soils - Determination of plant-available phosphate and potassium by calcium-lactate-hydrochloric acid-method (DL-method)

CU-NC, Analytical method of sodium hypophosphite

NC 57-98-3-1986 Clinical Methods and Aids Photometric Determination of Phosphate in Human Serum Chemical Analysis Method

海关总署, Analytical method of sodium hypophosphite

SN/T 5290-2021 Quantitative chemical analysis of components of down and polyester fiber mixtures for import and export using sodium hypochlorite method

中华人民共和国国家质量监督检验检疫总局、中国国家标准化管理委员会, Analytical method of sodium hypophosphite

GB/T 10574.11-2017 Methods for chemical analysis of tin-lead solders—Part 11：Determination of phosphorus content—Crystal violet phosphorus-vanadium-molybdeum heteropoly acid spectrophotometry

Professional Standard - Electricity, Analytical method of sodium hypophosphite

DL/T 502.13-2006 Analytical methods of steam and water in power plants Part 13: Determination of phosphate (spectrometric method)
DL/T 1151.12-2012 Analytical methods of scale and corrosion products in power plants.Part 12: determination of phosphoric anhydride
DL/T 502.20-2006 Analytical methods of steam and water in power plants Part 20: Determination of dissolved oxygen(Colorimetric method using sodium indigo disulphonate)
DL/T 502.19-2006 Analytical methods of steam and water in power plants Part 19: Determination of dissolved oxygen (Colorimetric method using sodium indiogo disulphonate glucose)

ES-UNE, Analytical method of sodium hypophosphite

UNE-EN ISO 15681-2:2020 Water quality - Determination of orthophosphate and total phosphorus contents by flow analysis (FIA and CFA) - Part 2: Method by continuous flow analysis (CFA) (ISO 15681-2:2018)
UNE-EN 15510:2018 Animal feeding stuffs: Methods of sampling and analysis - Determination of calcium, sodium, phosphorus, magnesium, potassium, iron, zinc, copper, manganese, cobalt, molybdenum and lead by ICP-AES
UNE-EN 15621:2018 Animal feeding stuffs: Methods of sampling and analysis - Determination of calcium, sodium, phosphorus, magnesium, potassium, sulphur, iron, zinc, copper, manganese and cobalt after pressure digestion by ICP-AES

全国标准信息公共服务平台, Analytical method of sodium hypophosphite

GB/T 9984.6-1988 Determination of Industrial Sodium Iron Tripolyphosphate Content 2,2'-Bipyridyl Spectrophotometric Method

BR-ABNT, Analytical method of sodium hypophosphite

VN-TCVN, Analytical method of sodium hypophosphite

TCVN 1815-2009 Steel and iron.Determination of phosphorus content.Methods of chemical analysis
TCVN 5719-2-2009 Standard test methods for analysis of sulfuric acid

Anhui Provincial Standard of the People's Republic of China, Analytical method of sodium hypophosphite

DB34/T 3320-2019 Methods for chemical analysis of phosphor copper alloys - Determination of phosphorus content - Vanadium molybdenum yellow spectrophotometric method

Indonesia Standards, Analytical method of sodium hypophosphite

SNI 14-4935-1998 Test method for bleaching chemicals of pulp (chlorine, chlorine oxide, sodium hypochlorite, sodium hydroxide and hydrogen peroxide)

UNKNOWN, Analytical method of sodium hypophosphite

GB/T 10574.11-2003 Method for chemical analysis of tin-lead solder Determination of phosphorus content
GB/T 10574.11-2003 Method for chemical analysis of tin-lead solder Determination of phosphorus content

CH-SNV, Analytical method of sodium hypophosphite

SN 210 100-1987 Technical drawings - Sizes and layout of drawing sheets

中华人民共和国环境保护部, Analytical method of sodium hypophosphite

GB 6766-1986 Radiochemical analysis of strontium-90 in water Extraction chromatography by di-(2-ethylhexyl) phosphoric acid
GB 11222.1-1989 Radiochemical analysis of strontium-90 in ash of biological samples

Professional Standard - Ocean, Analytical method of sodium hypophosphite

HY/T 0344-2022 Determination of Trace Active Phosphate in Seawater Flow Analysis-Phosphomolybdenum Blue Solid Phase Extraction-Spectrophotometry

Professional Standard - Chemical Industry, Analytical method of sodium hypophosphite

HG/T 4335.4-2012 Treatment and disposal method for acids spill.Part 4:Phosphoric acid

Professional Standard - Public Safety Standards, Analytical method of sodium hypophosphite

GA/T 203-1999 Methods of qualitative and quantitative analysis for phosphamidon and monocrotophos in case samples 中中
GA/T 195-1998 Methods of qualitative and quantitative analysis for methanidophos in case samples

Xinjiang Provincial Standard of the People's Republic of China, Analytical method of sodium hypophosphite

DB65/T 602.5-2001 The determinanation of available phosphous in soil

Fujian Provincial Standard of the People's Republic of China, Analytical method of sodium hypophosphite

DB35/T 1144-2011 Determination of inorganic nitrogen and active phosphate in seawater by flow chemical analysis

Professional Standard - Agriculture, Analytical method of sodium hypophosphite

GB/T 43098.1-2023 Methods for analysis of water treatment agents Part 1: Determination of phosphorus content
GB/T 14540.1-1993 Determination method of molybdenum in compound fertilizer Sodium thiocyanate spectrophotometry

Professional Standard-Ships, Analytical method of sodium hypophosphite

CB/T 3905.5-1999 Method for chemical analysis of tin-based bearing alloys Sodium diethylthiocarbamate colorimetric method for determination of copper content

工业和信息化部/国家能源局, Analytical method of sodium hypophosphite

JB/T 9548.11-2014 Methods for chemical analysis of iron-chromium-aluminum alloys Part 11: Determination of phosphorus

Professional Standard - Building Materials, Analytical method of sodium hypophosphite

JC/T 618-2005 Methods of chemical analysis of thermal insulation materals for leachable chloride,fluoride,silicate and sodium lons

国家市场监督管理总局、中国国家标准化管理委员会, Analytical method of sodium hypophosphite

GB/T 23940-2021 Analytical methods of persulfate products for industrial use

Professional Standard - Commodity Inspection, Analytical method of sodium hypophosphite

SN/T 3315.3-2012 Textiles.Quantitative analysis of regeneration cellulose fiber and cotton.Part 3:Sodium zincate method