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Nitrogen content in ammonium salt

Nitrogen content in ammonium salt, Total:388 items.

In the international standard classification, Nitrogen content in ammonium salt involves: Fertilizers, Protection against fire, Leather technology, Soil quality. Pedology, General methods of tests and analysis for food products, Inorganic chemicals, Ferroalloys, Vocabularies, Analytical chemistry, Non-ferrous metals, Water quality, Fuels, Ferrous metals, Construction materials, Air quality, Products of the chemical industry, Animal feeding stuffs, Petroleum products in general, Tobacco, tobacco products and related equipment, Milk and milk products, Test conditions and procedures in general, Prepackaged and prepared foods, Jewellery, Products of the textile industry, Fruits. Vegetables, Crude petroleum, Farming and forestry, Testing of metals, Coals, Meat, meat products and other animal produce, AGRICULTURE, Beverages, Medical equipment, Organic chemicals, Non-metalliferous minerals, Radiation protection, Paint ingredients, Geology. Meteorology. Hydrology.

PL-PKN, Nitrogen content in ammonium salt

PN P22117-1992 Leathers. Determination of nitrogen content ammonium salts and "hide substance"
PN A86026-1990 Milk and dairy products Milk powdcr Determination of nitritc and nitrate contents
PN H04805-13-1991 Zinc powder Determination of sulfate content
PN Z04075-1961 Speedy Me?hod for De?er mina?ion of Ni?rogen Oxyde* in Air
PN Z04009-04-1993 Air purity protection. Tests for content of nitrogen and its compounds. Determination of nitrates in dust in ambient air (imission) by spectrophotometric method with sodium salicilate

Anhui Provincial Standard of the People's Republic of China, Nitrogen content in ammonium salt

DB34/T 2373-2015 Determination of sodium salt content in ammonium chloride
DB34/T 3690-2020 Determination of carbon dioxide and nitrogen content in liquefied petroleum gas

RO-ASRO, Nitrogen content in ammonium salt

SR ISO 4176:1981 Fertilizers. Determination of nitrate nitrogen content. Nitrogen gravimetric method
SR ISO 5313:1986 High nitrogen content, straight ammonium nitrate fertilizers. Determination of oil retention
STAS 7184/19-1982 SOILS Detcrmination of extracted phosphorus in ammonium lactate-acctatc
STAS 1314/15-1979 MANGANESE ORES AND CONCENTRATES Determination of iron content soluble in ammonium chloride

Shandong Provincial Standard of the People's Republic of China, Nitrogen content in ammonium salt

DB37/T 2735-2015 Determination of ammonium sulfate content in dry powder fire extinguishing agent Total nitrogen content method
DB37/T 377-2003 Determination method of sulfate content in peracetic acid solution
DB37/T 343-2003 Determination method of phosphate content in cod and other aquatic products

German Institute for Standardization, Nitrogen content in ammonium salt

DIN 53308:1968 Testing of leather; determination of the contents of total nitrogen and of ammonium salts, calculation of hide substance
DIN CEN/TS 17762:2022-07 Inorganic fertilizers - Determination of the copper content in ammonium nitrate fertilizers of high nitrogen content; German version CEN/TS 17762:2022
DIN CEN/TS 17761:2022-07 Inorganic fertilizers - Determination of the chloride content in ammonium nitrate fertilizers of high nitrogen content; German version CEN/TS 17761:2022
DIN CEN/TS 15561:2007 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates; German version CEN/TS 15561:2007
DIN ISO 14255:1998 Soil quality - Determination of nitrate nitrogen, ammonium nitrogen and total soluble nitrogen in air-dry soils using calcium chloride solution as extractant (ISO 14255:1998)
DIN 19746:2005 Soil quality - Determination of mineral nitrogen (nitrat and ammonium) in soil profiles (Nmin laboratory method)
DIN 19746:2005-06 Soil quality - Determination of mineral nitrogen (nitrat and ammonium) in soil profiles (Nmin laboratory method)
DIN CEN/TS 15560:2007 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free; German version CEN/TS 15560:2007
DIN CEN/TS 17759:2022-07 Inorganic fertilizers - Determination of pH of a solution of ammonium nitrate fertilizers of high nitrogen content; German version CEN/TS 17759:2022
DIN EN 15561:2021 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates; German and English version prEN 15561:2021
DIN EN 15561:2021-12 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates; German and English version prEN 15561:2021 / Note: Date of issue 2021-11-05*Intended as replacement for DIN EN 15561 (2009-06).
DIN EN 15561:2009-06 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates; German version EN 15561:2009 / Note: To be replaced by DIN EN 15561 (2021-12).
DIN EN ISO 11905-1:1998 Water quality - Determination of nitrogen - Part 1: Method using oxidative digestion with peroxodisulfate (ISO 11905-1:1997); German version EN ISO 11905-1:1998
DIN EN 15561:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates; English version of DIN EN 15561:2009-06
DIN CEN/TS 15750:2008 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods; German version CEN/TS 15750:2008
DIN ISO/TS 14256-1:2003 Soil quality - Determination of nitrate, nitrite and ammonium in field moist soils by extraction with potassium chloride solution - Part 1: Manual method (ISO/TS 14256-1:2003)
DIN ISO 14255:1998-11 Soil quality - Determination of nitrate nitrogen, ammonium nitrogen and total soluble nitrogen in air-dry soils using calcium chloride solution as extractant (ISO 14255:1998)
DIN EN 12014-5:1997 Foodstuffs - Determination of nitrate and/or nitrite content - Part 5: Enzymatic determination of nitrate content of vegetable-containing food for babies and infants; German version EN 12014-5:1997
DIN EN 12014-5:1997-08 Foodstuffs - Determination of nitrate and/or nitrite content - Part 5: Enzymatic determination of nitrate content of vegetable-containing food for babies and infants; German version EN 12014-5:1997
DIN EN 15561:2023-10 Inorganic fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates; German version EN 15561:2023
DIN EN 12014-2:1997 Foodstuffs - Determination of nitrate and/or nitrite content - Part 2: HPLC/IC method for the determination of nitrate content of vegetables and vegetable products; German version EN 12014-2:1997
DIN EN 12014-4:2005 Foodstuffs - Determination of nitrate and/or nitrite content - Part 4: Ion-exchange chromatographic (IC) method for the determination of nitrate and nitrite content of meat products; German version EN 12014-4:2005
DIN EN 12014-3:2005 Foodstuffs - Determination of nitrate and/or nitrite content - Part 3: Spectrometric determination of nitrate and nitrite content of meat products after enzymatic reduction of nitrate to nitrite; German version EN 12014-3:2005
DIN EN 12014-3:2005-08 Foodstuffs - Determination of nitrate and/or nitrite content - Part 3: Spectrometric determination of nitrate and nitrite content of meat products after enzymatic reduction of nitrate to nitrite; German version EN 12014-3:2005
DIN EN 12014-7:1998 Foodstuffs - Determination of nitrate and/or nitrite content - Part 7: Continuous flow method for the determination of nitrate content of vegetables and vegetable products after cadmium reduction; German version EN 12014-7:1998
DIN 53770-9:1977 Testing of pigments; determination of matter soluble in hydrochloric acid, cobalt content
DIN 10476:2001 Determination of nitrite and nitrate content of milk products - Enzymatic method (color test)

ES-UNE, Nitrogen content in ammonium salt

UNE-CEN/TS 17762:2022 Inorganic fertilizers - Determination of the copper content in ammonium nitrate fertilizers of high nitrogen content (Endorsed by Asociación Española de Normalización in May of 2022.)
UNE-CEN/TS 17761:2022 Inorganic fertilizers - Determination of the chloride content in ammonium nitrate fertilizers of high nitrogen content (Endorsed by Asociación Española de Normalización in May of 2022.)
UNE-CEN/TS 17760:2022 Inorganic fertilizers - Determination of particle size of ammonium nitrate fertilizers of high nitrogen content (Endorsed by Asociación Española de Normalización in May of 2022.)
UNE-CEN/TS 17759:2022 Inorganic fertilizers - Determination of pH of a solution of ammonium nitrate fertilizers of high nitrogen content (Endorsed by Asociación Española de Normalización in May of 2022.)
UNE-CEN/TS 17751:2022 Inorganic fertilizers - Determination of specific parameters in ammonium nitrate fertilizers of high nitrogen content (Endorsed by Asociación Española de Normalización in May of 2022.)
UNE 103205:2019 Determination of soluble salts content in soils.
UNE 103201:2019 Quantitative analysis of soluble sulphate (in water) content of a soil.
UNE 103202:2019 Qualitative determination of soluble sulphates (in water) content in a soil.

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, Nitrogen content in ammonium salt

GB/T 10209.1-2001 Determination of total nitrogen content for monoammonium phosphate and diammonium phosphate(Titrimetric method after distillation)
GB/T 10209.1-2008 Determination of monoammonium phosphate and diammonium phosphate.Part 1:Total nitrogen content
GB/T 24583.1-2009 Vanadium-Nitrogen alloy.Determination of vanadium content.The ammonium ferrous sulfate titration method
GB/T 10209.2-2001 Determination of available phosphous content for monoammonium phosphate and diammonium phosphate
GB/T 3597-2002 Fertilizer--Determination of nitrate nitrogen content--Nitron gravimetric method
GB/T 24583.3-2009 Vanadium-Nitrogen alloy.Determination of nitrogen content.The distillation-neutralization titration method
GB/T 6276.4-1986 Ammonium hydrogen carbonate for industrial use--Determination sulphate content--Visible turbidimetric method
GB/T 5687.4-2016 Nitrogen-bearing ferrochromium and nitride ferrochrome with high nitrogen content.Determination of nitrogen content.The distillation-neutralization titration method
GB/T 3600-2000 Fertilizers-Determination of ammoniacal nitrogen content-Formaldehyde method
GB/T 13598-1992 A method for the determination of agricultural chemical residues containing nitrogenous in tobacco leaves
GB/T 21704-2008 Determination of non-protein-nitrogen content in milk and dairy products
GB/T 19339-2003 Rapid Determination of nitrate in vegetables
GB/T 19468-2004 Determination of chlorates content in pyrotechnic composition
GB/T 3598-1983 Fertilizers--Determination of urea nitrogen content--Urease method
GB/T 17767.1-1999 Determination of total nitrogen content for organic-inorganic compound fertilizers
GB/T 2947-2002 Determination of free water in urea and ammonium nitrate by karl fischer method
GB/T 14605-1993 Determination of trace argon, nitrogen and krypton inoxygen. Gas chromatographic method
GB/T 6276.4-2010 Determination of ammonium hydrogen carbonate for industrial use-Part 4:Sulphate content-Visible turbidimetric method
GB/T 13173.5-1991 Determination of toluenesulfonate content in detergents
GB/T 6532-2012 Test method for salt in crude oils (Potentiometric method)
GB/T 30931-2014 Determination of benzalkonium chloride in cosmetics.High performance liquid chromatography
GB/T 3595-2000 Fertilizers-Determination of ammoniacal nitrogen content-Titrimetric method after distillation
GB/T 42263-2022 Determination of nitrogen content in silicon single crystal—Secondary ion mass spectrometry method
GB/T 17674-2012 Determination of nitrogen in crude oil by boat-inlet chemiluminescence
GB/T 15817-1995 Determination of mineral sulfate content in detergents--Gravimetric method
GB/T 17674-1999 Determination of nitrogen in petroleum and petroleum products by chemiluminescence method
GB/T 8572-2001 Determination of total nitrogen content for compound fertilizers-Titrimetric method after distillation
GB/T 10511-1989 The determination of total nitrogen content for nitrophosphate titrimetric method after distillation
GB/T 10511-2008 Determination of tatal nitrogen content for nitrophosphate.Titrimetric method after distillation
GB/T 8572-2010 Determination of total nitrogen content for compound fertilizers titrimetric method after distillation
GB/T 20618-2006 Fireworks firecrackers. Determination of nitrates content in pyrotechnic composition
GB/T 218-1996 Determination of carbon dioxide content in the mineral carbonates associated with coal
GB/T 20614-2006 Fireworks and firecrackers. Determination of perchlorates content in pyrotechnic composition
GB/T 15057.3-1994 Limestone for chemical industry- Determination of insoluble matter content of hydrochloric acid- Gravimetric method
GB 9018.3-1988 Celestite ores--Determination of sulphate content--Barium sulphate gravimetric method
GB/T 23773-2009 Inorganic chemicals for industrial use.General method for determination of Ammonium content.Nessler's reagent colorimetric method

AT-ON, Nitrogen content in ammonium salt

ONORM S 7009-1982 Testing of leather; determination of the contents of total nitrogen and of ammonium salts; calculation of hide substance
ONORM DIN 10323-1992 Determination of salt content of butter
ONORM DIN 10338-1992 Determination of nitrate and nitrite contents of cheese - Method by cadmium reduction
ONORM EN 13-1980 Determination of lead content of gasoline; volumetric Chromate method
ONORM DIN 10334-1994 Determination of nitrogen content of milk according to Kjeldahl and calculation of crude protein content

Professional Standard - Agriculture, Nitrogen content in ammonium salt

NY/T 1116-2014 Fertilizers.Determination of nitrate nitrogen, ammonium nitrogen, amide nitrogen contents
GB 3597-1983 Determination of nitrate nitrogen content in fertilizers Nitrogen reagent gravimetric method
GB 8572-1988 Determination of total nitrogen content in compound fertilizer
GB 3598-1983 Determination of Urea Nitrogen Content in Fertilizers Urease Method
GB/T 42955-2023 Determination of total nitrogen content in fertilizers Dumas combustion method
GB 3595-1983 Determination of ammonia nitrogen content in fertilizers Titration method after distillation
NY/T 1116-2006 Fertilizers-Determination of nitrate nitrogen content.UItraviolet spectro-photometric method
GB 10511-1989 Determination of total nitrogen content in nitrophosphate fertilizers Titration after distillation

European Committee for Standardization (CEN), Nitrogen content in ammonium salt

FprCEN/TS 17762-2021 Inorganic fertilizers - Determination of the copper content in ammonium nitrate fertilizers of high nitrogen content
FprCEN/TS 17761-2021 Inorganic fertilizers - Determination of the chloride content in ammonium nitrate fertilizers of high nitrogen content
PD CEN/TS 15750:2008 Fertilizers - Determination of different forms of nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
EN 15561:2023 Inorganic fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates
EN 13:1974 Determination of Lead Content of Gasoline: Volumetric Chromate Method
EN 15561:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates
EN ISO 13395:1996 Water Quality - Determination of Nitrite Nitrogen and Nitrate Nitrogen and the Sum of Both by Flow Analysis (CFA and FIA) and Spectrometric Detection
EN ISO 8968-4:2016 Milk and milk products - Determination of nitrogen content - Part 4: Determination of protein and non-protein nitrogen content and true protein content calculation (Reference method)
EN 12014-2:1997 Foodstuffs - Determination of nitrate and/or nitrite content - Part 2: HPLC/IC method for the determination of nitrate content of vegetables and vegetable products
EN 12014-2:2017 Foodstuffs - Determination of nitrate and/or nitrite content - Part 2: HPLC/IC method for the determination of nitrate content of vegetables and vegetable products
DD ENV 12014-3-1998 Foodstuffs - Determination of Nitrate and/or Nitrite Content - Part 3: Spectrometric Determination of Nitrate and Nitrite Content of Meat Products After Enzymatic Reduction of Nitrate to Nitrite
EN 12014-7:1998 Foodstuffs - Determination of nitrate and/or nitrite content - Part 7: Continuous flow method for the determination of nitrate content of vegetables and vegetable products after cadmium reduction
EN 12014-3:2005 Foodstuffs - Determination of nitrate and/or nitrite content - Part 3: Spectrometric determination of nitrate and nitrite content of meat products after enzymatic reduction of nitrate to nitrite

Association Francaise de Normalisation, Nitrogen content in ammonium salt

XP U42-794*XP CEN/TS 17762:2022 Inorganic fertilizers - Determination of the copper content in ammonium nitrate fertilizers of high nitrogen content
XP CEN/TS 17762:2022 Engrais inorganiques - Détermination de la teneur en cuivre dans les engrais à base de nitrate d'ammonium et à forte teneur en azote
XP U42-793*XP CEN/TS 17761:2022 Inorganic fertilizers - Determination of the chloride content in ammonium nitrate fertilizers of high nitrogen content
XP CEN/TS 17761:2022 Engrais inorganiques - Détermination de la teneur en chlorure des engrais à base de nitrate d'ammonium à forte teneur en azote
NF U42-146*NF EN 15560:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free.
NF U42-191:1988 Fertilizers. Nitrogenous fertilizers containing synthetic organic nitrogen. Determination of the types of nitrogen.
NF U42-503*NF EN 15750:2010 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
NF U42-416*NF EN 15478:2009 Fertilizers - Determination of total nitrogen in urea.
NF X31-423-2*NF ISO 14256-2:2007 Soil quality - Determination of nitrate, nitrite and ammonium in field-moist soils by extraction with potassium chloride solution - Part 2 : automated method with segmented flow analysis.
NF X43-009:1973 Nitrogen dioxyde content of the atmosphere (griess saltzman reaction).
NF V03-010-5*NF EN 12014-5:1997 Foodstuffs. Determination of nitrate and/or nitrite content. Part 5 : enzymatic determination of nitrate content of vegetable containing food for babies and infants.
NF A06-205:1995 Determination of platinum in platinum jewellery alloys. Gravimetric method after precipitation of diammonium hexachloroplatinate.
NF EN 12014-4:2005 Produits alimentaires - Détermination de la teneur en nitrates et/ou en nitrites - Partie 4 : détermination par chromatographie ionique (CI) de la teneur en nitrates et en nitrites dans les produits carnés
NF V03-010-2*NF EN 12014-2:2017 Foodstuffs - Determination of nitrate and/or nitrite content - Part 2 : HPLC/IC method for the determination of nitrate content of vegetables and vegetable products
NF V03-010-2:1997 Foodstuffs. Determination of nitrate and/or nitrite content. Part 2 : HPLC/IC method for the determination of nitrate content of vegetables and vegetable products.
NF X34-117:2011 Solid biofuels - Determination of total content of carbon, hydrogen and nitrogen - Instrumental methods.
NF V03-010-4*NF EN 12014-4:2005 Foodstuffs - Determination of nitrate and/or nitrite content - Part 4 : ion-exchange chromatographic (IC) method for the determination of nitrate and nitrite content of meat products
NF V03-010-3*NF EN 12014-3:2005 Foodstuffs - Determination of nitrate and/or nitrite content - Part 3 : spectrometric determination of nitrate and nitrite content of meat products after enzymatic reduction of nitrate to nitrite
NF EN 12014-3:2005 Produits alimentaires - Détermination de la teneur en nitrates et/ou en nitrites - Partie 3 : détermination spectrométrique de la teneur en nitrates et en nitrites des produits carnés après réduction enzymatique des nitrates en nitrites
NF EN 12014-2:2017 Produits alimentaires - Détermination de la teneur en nitrates et/ou en nitrites - Partie 2 : méthode de détermination par CLHP/CI de la teneur en nitrates des légumes et des produits à base de légumes

British Standards Institution (BSI), Nitrogen content in ammonium salt

PD CEN/TS 17762:2022 Inorganic fertilizers. Determination of the copper content in ammonium nitrate fertilizers of high nitrogen content
PD CEN/TS 17761:2022 Inorganic fertilizers. Determination of the chloride content in ammonium nitrate fertilizers of high nitrogen content
BS DD CEN/TS 15561:2007 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates
BS EN 15561:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates
BS 4267-2:1988 Ammonium nitrate - Method for determination of total nitrogen content
BS 4267-1:1988 Ammonium nitrate - Method for determination of ammoniacal nitrogen content
BS DD CEN/TS 15560:2007 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free
BS EN 15560:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free
BS 4267-9:1987 Ammonium nitrate - Method for determination of sulphate content
BS DD CEN/TS 15478:2006 Fertilizers - Determination of total nitrogen in urea
BS 4267-7:1987 Ammonium nitrate - Methods for determination of nitrite content
DD CEN/TS 15561:2007 Fertilizers. Determination of total nitrogen in calcium cyanamide containing nitrates
BS EN 15750:2010 Fertilizers. Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
BS EN 15750:2009 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
BS 5551-4.1.1:1981 Fertilizers - Chemical analysis - Determination of nitrogen - Nitron gravimetric method for determination of nitrate nitrogen
BS 5766-15:1997 Methods for analysis of animal feeding stuffs. Determination of soluble nitrogen content after treatment with pepsin in dilute hydrochloric acid
BS EN 12014-2:1997 Foodstuffs - Determination of nitrate and/or nitrite content - HPLC/IC method for the determination of nitrate content of vegetables and vegetable products
BS EN 12014-4:2005 Foodstuffs - Determination of nitrate and/or nitrite content - Ion-exchange chromatographic (IC) method for the determination of nitrate and nitrite content of meat products
BS EN 12014-3:2005 Foodstuffs - Determination of nitrate and/or nitrite content - Spectrometric determination of nitrate and nitrite content of meat products after enzymatic reduction of nitrate to nitrite
BS EN 1142:1995 Method for determination of sulfate content of fruit and vegetable juices
BS EN 12014-7:1998 Foodstuffs - Determination of nitrate and/or nitrite content - Continuous flow method for the determination of nitrate content of vegetables and vegetable products after cadmium reduction
BS EN 12014-5:1997 Foodstuffs - Determination of nitrate and/or nitrite content - Enzymatic determination of nitrate content of vegetable-containing food for babies and infants
BS ISO 9697:2015 Water quality. Gross beta activity in non-saline water. Test method using thick source

NL-NEN, Nitrogen content in ammonium salt

NEN 6473-1981 Water - Photometric determination of albuminoid ammonium content
NEN 6472-1983 Water - Photometric determination of ammonium content
NEN 6646-1990 Water - Photometric determination of the content of ammonium nitrogen and of the sum of the contents of ammoniacal and organically bound nitrogen according to Kjeldahl by continuous flow analysis

SE-SIS, Nitrogen content in ammonium salt

SIS SS 02 81 33-1991 Determination of the sum of the nitrite and nitrate nitrogen content of water
SIS 02 81 26-1974 Determination of orthophosphate content of water
SIS SS 02 81 98-1989 Determination of sulfate content of water — Nephelometric method

PT-IPQ, Nitrogen content in ammonium salt

NP 1359-1976
NP 1314-1976
NP 1227-1976
NP 2106-1984
NP 868-1989 Hydrochloric acid for industrial use Determination of oxidizing or reducing substances content
NP 1233-1976
NP 1237-1976
NP 1238-1976
NP 3779-1988 Leather Determination of nitrogen content and hide substance. Titrimetric method
NP 1184-1976

RU-GOST R, Nitrogen content in ammonium salt

GOST 30181.3-1994 Mineral fertilizers. Method for determination of mass fraction of nitrogen in fertilizers with nitrate nitrogen
GOST EN 15561-2013 Fertilizers. Determination of total nitrogen in calcium cyanamide containing nitrates
GOST 30181.6-1994 Mineral fertilizers. Method for determination of mass fraction of nitrogen in ammonium salts (in ammonium form, using the formaldehyde method)
GOST EN 15560-2013 Fertilizers. Determination of total nitrogen in calcium cyanamide nitrate free
GOST 30181.7-1994 Mineral fertilizers. Method for determination of total mass fraction of nitrogen in compound fertilizers (in ammonium and amide forms, using hypochlorite method)
GOST EN 15478-2013 Fertilizers. Determination of total nitrogen in urea
GOST EN 15750-2016 Fertilizers. Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
GOST R 53219-2008 Soil quality. Determination of nitrogen in air-dry soils using calcium chloride solution
GOST EN 12014-5-2014 Foodstuffs. Determination of nitrate and/or nitrite content. Part 5. Enzymatic determination of nitrate content of vegetable containing food for babies and infants
GOST EN 12014-2-2014 Foodstuffs. Determination of nitrate and/or nitrite content. Part 2. HPLC/IC method for the determination of nitrate content of vegetables and vegetable products
GOST EN 12014-4-2015 Foodstuffs. Determination of nitrate and/or nitrite content. Part 4. Determination of nitrate and nitrite content in meat products by ion-exchange chromatographic method
GOST 30181.9-1994 Mineral fertilizers. Method for determination of total mass fraction of nitrogen in compound fertilizers (distillation method using the chromium reduction of nitrate nitrogen and mineralization of organic nitrogen)

Professional Standard - Commodity Inspection, Nitrogen content in ammonium salt

SN/T 3810-2014 Determination of nitrogen content in urea and ammonium sulphate.X-ray fluorescence spectrometry
SN/T 0840-2015 Determination of nitrogen content of urea for import and export
SN/T 0840-1999 Method for the determination of nitrogen content of urea for import and export
SN/T 0951-2000 Method for the determination of tungsten trioxide content in ammonium paratungstate for import export
SN/T 0951-2010 Determination of tungsten trioxide content in ammonium paratungstate for import and export
SN/T 2782-2011 Electrometric method for determination of salt content in crude oil
SN/T 3097-2012 Determination of total nitrogen in fertelezers.Combustion
SN/T 3808-2014 Determination of total phosphorus content in diammonium phosphate.X-ray fluorescence spectrometry
SN/T 3382-2012 Determination of non-protein-nitrogen content in milk and dairy products for export

Korean Agency for Technology and Standards (KATS), Nitrogen content in ammonium salt

KS I ISO 14255:2009 Soil quality－Determination of nitrate nitrogen, ammonium nitrogen and total soluble nitrogen in air-dry soils using calcium chloride solution as extractant
KS M ISO 5313:2007 High nitrogen content, straight ammonium nitrate fertilizers-Determination of oil retention
KS M ISO 5313:2013 High nitrogen content, straight ammonium nitrate fertilizers－Determination of oil retention
KS D 2555-2005 Methods for determination of nitrogen in tantalum
KS D 2530-2007 Methods for determination of nitrogen in titanium and titanium alloys
KS M ISO 3332:2012 Ammonium sulphate for industrial use－Determination of ammoniacal nitrogen content－Titrimetric method after distillation
KS M ISO 3332-2017(2022) Ammonium sulphate for industrial use — Determination of ammoniacal nitrogen content — Titrimetric method after distillation
KS M ISO 3332:2017 Ammonium sulphate for industrial use — Determination of ammoniacal nitrogen content — Titrimetric method after distillation
KS D 1811-2003 Methods for determination of nitrogen in iron and steel
KS I ISO 14256-1:2009 Soil quality-Determination of nitrate, nitrite and ammonium in field-moist soils by extraction with potassium chloride solution-Part 1:Manual method
KS I ISO 14255-2009(2019) Soil quality－Determination of nitrate nitrogen, ammonium nitrogen and total soluble nitrogen in air-dry soils using calcium chloride solution as extractant
KS D ISO 4945-2002(2017) Steel－Determination of nitrogen content－Spectrophotometric method
KS B 5360-1990 Continuous Analysers for Oxides of Nitrogen in Ambient Air
KS B 5360-2001 Continuous Analysers for Oxides of Nitrogen in Ambient Air
KS M 2112-2011 Crude petroleum and petroleum products-Determination of nitrogen content
KS M ISO 5397-2002(2017) Leather－Determination of nitrogen content and “hide substance”－Titrimetric method
KS I ISO 13395:2008 Water quality-Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection
KS D ISO 11210:2002 Determination of platinum in platinum jewellery alloys－Gravimetric method after precipitation of diammonium hexachloroplatinate
KS E 3733-1989 Determination or Carbon Monoxide and Temperature in Combustion Gases of Holed Briquette

International Organization for Standardization (ISO), Nitrogen content in ammonium salt

ISO 14255:1998 Soil quality - Determination of nitrate nitrogen, ammonium nitrogen and total soluble nitrogen in air-dry soils using calcium chloride solution as extractant
ISO 3331:1975 Ammonium nitrate for industrial use — Determination of total nitrogen content — Titrimetric method after distillation
ISO 3330:1975 Ammonium nitrate for industrial use; Determination of ammoniacal nitrogen content; Titrimetric method after distillation
ISO 3332:1975 Ammonium sulphate for industrial use; Determination of ammoniacal nitrogen content; Titrimetric method after distillation
ISO 2515:1973 Ammonium hydrogen carbonate for industrial use (including foodstuffs); Determination of ammoniacal nitrogen content; Volumetric method after distillation
ISO/TS 14256-1:2003 Soil quality - Determination of nitrate, nitrite and ammonium in field-moist-soils by extraction with potassium chloride solution - Part 1: Manual method
ISO 11210:1995 Determination of platinum in platinum jewellery alloys - Gravimetric method after precipitation of diammonium hexachloroplatinate
ISO 11210:2023 Jewellery and precious metals — Determination of platinum — Gravimetry using ammonium chloride
ISO 13395:1996 Water quality - Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection
ISO 11210:2014 Jewellery - Determination of platinum in platinum jewellery alloys - Gravimetric method after precipitation of diammonium hexachloroplatinate

YU-JUS, Nitrogen content in ammonium salt

JUS H.B8.818-1992 Straight ammonium nitrate fertilizers of high nitrogen content - Methods for the application of thermal cycles
JUS H.G8.019-1980 Reagents. Hydrochloric acid. Determination of ammonium content Colorimetric method
JUS H.B8.816-1992 Straight ammonium nitrate fertilizers of high nitrogen content - Determination of resistance to detonation
JUS H.B8.814-1992 Straight ammonium nitrate fertilizers of high nitrogen content - Determination of the chloride content (as chlorine ion)
JUS H.B8.815-1992 Straight ammonium nitrate fertilizers of high nitrogen content - Determination of copper content - Atomic absorption spectrophotometric method
JUS H.B8.812-1992 High nitrogen content,straight ammonium nitrate fertilizers - Determination of oil retention (porosity)
JUS H.G8.196-1985 Reagents. Ammonium chloride. Determination of nitrate content. Colorimetric method
JUS H.G8.332-1987 Reagents. Ammonium acetate. Determination of sulphates content. Turbidimetric method
JUS H.G8.143-1985 Reagents. Ammonium sulphate. Determination of nitrate content Colorimetric method
JUS H.G8.195-1985 Reagents. Ammonium chloride. Determination of sulphate content. Turbidimetric method
JUS H.G8.333-1987 Reagents. Ammonium acetate. Determination of nitrates content. Colorimetric method
JUS H.G8.144-1985 Reagents. Ammonium sulphate. Determination of phosphate content. Spectrophotometric method
JUS H.G8.197-1985 Reagents. Ammonium chloride. Determination of phosphate content. Spectrophotometric method
JUS H.G8.337-1987 Reagents. Ammonium acetate. Determination of permanganate reducing substances content Volumetric method
JUS H.Z1.137-1985 Testing of industrial vvaters. Determination of nitrite-nitrate and the combined nitrite-nitrate nitrogen, Spectrophotometric method
JUS H.G8.497-1991 Reagents. Ammonium iron (III) sulphate dodecahydrate. Determination of substances not precipitated by ammonia (as sulphates). Gravimetric method

Group Standards of the People's Republic of China, Nitrogen content in ammonium salt

T/SATA 058-2023 Determination of ammonium ferric citrate in edible salt
T/QAS 072-2021 Determination of ammonium ion content in potassium chloride Titration method after distillation
T/GDASE 0009-2020 Determination of the content of carbon, hydrogen, oxygen, nitrogen and sulfur in graphene
T/SDAQI 061-2021 Determination of Phosphite in Water-soluble Fertilizer
T/GXAS 477-2023 Determination of total nitrogen content in sugarcane juice —sulphuric acid titrimetric method
T/GXAS 473-2023 Determination of sulfate content in sugarcane juice—EDTA titrimetric method
T/NXCL 023-2023 Determination of hydrogen and nitrogen in Beryllium— Inert gas fusion infrared absorption/ thermal conductivity method

未注明发布机构, Nitrogen content in ammonium salt

BS 4267-2:1988(1999) Ammonium nitrate — Part 2 : Method for determination of total nitrogen content
BS 4267-1:1988(1999) Ammonium nitrate — Part 1 : Method for determination of ammoniacal nitrogen content
BS 4267-9:1987(1999) Ammonium nitrate — Part 9 : Method for determination of sulphate content
BS 4267-7:1987(1999) Ammonium nitrate — Part 7 : Methods for determination of nitrite content
BS EN 1142:1995(2000) Method for Determination of sulfate content offruit and vegetable juices

VN-TCVN, Nitrogen content in ammonium salt

TCVN 6643-2000 Soil quality.Determination of nitrate nitrogen, ammonium nitrogen and total soluble nitrogen in air-dry soils using calcium chloride solution as extractant
TCVN 7373-2004 Soils quality.Index values of total nitrogen content in the soils of Vietnam
TCVN 4247-1986 Petroleum products.Determination of lead content in gasoline by volumetric chromate method
TCVN 7814-2007 Foodstuffs.Determination of nitrate and/or nitrite content.Part 2: HPLC/LC method for the determination of nitrade content of vegetables and vegetable products

国家市场监督管理总局、中国国家标准化管理委员会, Nitrogen content in ammonium salt

GB/T 24583.1-2019 Vanadium-nitrogen—Determination of vanadium content—Ammonium ferrous sulfate titration method
GB/T 24583.3-2019 Vanadium-nitrogen—Determination of nitrogen content—Distillation-neutralization titration method
GB/T 39701-2020 Limit and test method of ammonium ion content in fly ash
GB/T 17674-2021 Determination of nitrogen in crude oil—Boat-inlet chemiluminescence
GB/T 39144-2020 Test method for magnesium content in gallium nitride materials—Secondary ion mass spectrometry

工业和信息化部, Nitrogen content in ammonium salt

YB/T 4566.3-2016 Determination of vanadium content in iron vanadium nitride Ferrous ammonium sulfate titration method
YB/T 4582.7-2017 Determination of total nitrogen content of ferrous silicon nitride by neutralization titration method
YB/T 4566.2-2016 Determination of nitrogen content of vanadium iron nitride, distillation and separation-acid-base neutralization titration method
QB/T 2115-2020 Determination of carbonate content in detergents
HG/T 6072-2022 Determination of thiocyanate content in coking wastewater
HG/T 5167-2017 Method for determination of carboxylate and sulfonate polymer content in circulating cooling water

Hunan Provincial Standard of the People's Republic of China, Nitrogen content in ammonium salt

DB43/T 1655-2019 Determination of Benzalkonium Chloride and Benzethonium Chloride in Wet Wipes

CZ-CSN, Nitrogen content in ammonium salt

CSN 65 4814-1976 Determinaíion of nitrogen oontent in fertilizers
CSN 50 0393-1986 Determination of the content of or- ganic nitrogen in páper and paper- board
CSN 46 7092-5-1998 Testing methods for feeding stuffs - Part 5: Determination of soluble nitrogen content after treatment with pepsin in hydrochloric acid solution
CSN EN 10 179-1993 Chemical analysis of ferrous metals — Determination of nitrogen (trace amounts) in steels — Spectrophotometric method

BE-NBN, Nitrogen content in ammonium salt

NBN T 03-056-1979 Ammonium nitrate for industrial use - Determination of total nitrogen content - Titrimetric method after distillation
NBN T 03-069-1979 Ammonium sulphate for industrial use - Determination of ammoniacal nitrogen content - Titrimetric method after distillation
NBN T 03-081-1979 Ammonium hydrogen carbonate for industrial use (including food-stuffs) - Determination of ammoniacal nitrogen content - Titrimetric method after distillation
NBN V 21-013-1978 Determination of the total nitrogen contaimng substances content of milk - Amido black method
NBN T 94-301-1976 Determination of nitrogen dioxyde contents of ambient air -Griess-Saltzman method
NBN T 94-302-1976 Determination of nitrogen oxydes and of nitrogen monoxyde contents of ambient air - Griess-Saltzman method

KR-KS, Nitrogen content in ammonium salt

KS M ISO 3332-2017 Ammonium sulphate for industrial use — Determination of ammoniacal nitrogen content — Titrimetric method after distillation

TH-TISI, Nitrogen content in ammonium salt

TIS 1771-1999 Ammonium sulphate for industrial use.determination of ammoniacal nitrogen content.titrimetric method after distillation

Indonesia Standards, Nitrogen content in ammonium salt

SNI 03-4151-1996 Test methods for phosphate content in light sediment by hydrogen chloride using spectrophotometer apparatus in ammonium molybdat manuver
SNI 13-4721-1998 Methods for determination of total nitrogen content in soils
SNI 06-6323-2000 Determination of total nitrogen content in peat
SNI 7185-2009
SNI 7617-2013
SNI 7617 AMD 1-2014

VE-FONDONORMA, Nitrogen content in ammonium salt

NORVEN 378

Japanese Industrial Standards Committee (JISC), Nitrogen content in ammonium salt

JIS H 1685:1976 Methods for determination of nitrogen in tantalum
JIS G 1228:1997 Iron and steel -- Methods for determination of nitrogen content
JIS K 0104:2000 Methods for determination of nitrogen oxides in flue gas
JIS K 0104:1984 Methods for determination of oxides of nitrogen in flue gases
JIS K 0104:2011 Methods for determination of nitrogen oxides in flue gas
JIS B 7953:1997 Continuous analysers for oxides of nitrogen in ambient air

CEN - European Committee for Standardization, Nitrogen content in ammonium salt

PD CEN/TS 15561:2007 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates
EN ISO 8968-4:2001 Milk - Determination of Nitrogen Content - Part 4: Determination of Non-Protein Nitrogen Content

Danish Standards Foundation, Nitrogen content in ammonium salt

DS/EN 15561:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates
DS/EN 10179:1989 Chemical analysis of ferrous materials. Determination of nitrogen (trace amount) in steels. Spectrophotometric method

Lithuanian Standards Office , Nitrogen content in ammonium salt

LST EN 15561-2009 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates

AENOR, Nitrogen content in ammonium salt

UNE-EN 15561:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates
UNE 77306:1999 SOIL QUALITY. DETERMINATION OF NITRATE NITROGEN, AMMONIUM NITROGEN AND TOTAL SOLUBLE NITROGEN IN AIR-DRY SOIL USING CALCIUM CHLORIDE SOLUTION AS EXTRACTANT.
UNE 103200:1993 DETERMINATION OF CARBONATE CONTENT IN SOILS.
UNE 103205:2006 Determination of soluble salts content in soils.
UNE-EN 12014-5:1997 FOODSTUFFS. DETERMINATION OF NITRATE AND/OR NITRITE CONTENT. PART 5: ENZYMATIC DETERMINATION OF NITRATE CONTENT OF VEGETABLE-CONTAINING FOOD FOR BABIES AND INFANTS.
UNE 103202:1995 QUALITATIVE DETERMINATION OF SOLUBLES SULPHATES CONTENT IN A SOIL.

ZA-SANS, Nitrogen content in ammonium salt

SANS 5285:1987 Ammonium in pharmaceutical solutions, limit test
SANS 5850-2:2008 Sulfates content of fines in aggregates Part 2: Acid-soluble sulfates in fines in aggregates
SANS 6310:2005 Sulfate content of water (turbidimetric method)
SANS 5292:1987 Sulphates in solutions, detection
SANS 5186:2006 Alkaline salt content of scouring compounds
SANS 5849:2008 Total water-soluble salts content of fines in aggregates
SANS 11210:1995 Determination of platinum in platinum jewellery alloys - Gravimetric method after precipitation of diammonium hexachloroplatinate
SANS 13395:1996 Water quality - Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection
SANS 5272:2007 Non-fibrous material content of textiles - Hydrochloric acid method
SANS 5849:2002 Total water-soluble salts content of fines in aggregates
SANS 5968:1987 Nitrates in water for injections, limit test
SANS 5850-1:1998 Sulfates content of fines in aggregates Part 1: Water-soluble sulfates in fines in aggregates
SANS 5850-2:2002 Sulfates content of fines in aggregates Part 2: Acid-soluble sulfates in fines in aggregates

(U.S.) Ford Automotive Standards, Nitrogen content in ammonium salt

FORD FLTM AK 108-1-2000 QUANTITATIVE ANALYSIS OF COMBINED AND FREE AMMONIA IN AMMONIUM SALTS IN CLEANERS
FORD FLTM AK 108-01-2000 QUANTITATIVE ANALYSIS OF COMBINED AND FREE AMMONIA IN AMMONIUM SALTS IN CLEANERS
FORD FLTM AK 103-02-2001 QUANTITATIVE ANALYSIS OF NITRITE (AS NO2) IN CLEANERS
FORD FLTM AK 111-01-2000 QUANTITATIVE ANALYSIS OF BORATES IN CLEANERS
FORD FLTM AK 112-01-2001 QUANTITATIVE ANALYSIS OF SILICATES IN CLEANERS
FORD FLTM AK 113-01-2001 QUANTITATIVE ANALYSIS OF NITRATE (NO3) IN CLEANERS
FORD FLTM AK 110-01-2000 QUANTITATIVE ANALYSIS OF CARBONATES (AS CO2) IN CLEANERS

NO-SN, Nitrogen content in ammonium salt

NS 4865-1983 Air quality - Determination of the sum of nitrite- and nitrate-nitrogen in precipitation
NS 4869-1985 Air quality - Nitrogen dioxide content in workplace atmosphere - Colometric metod
NS 4762-1988 Water analysis - Determination of sulphate content of water - Nephelometric method

AR-IRAM, Nitrogen content in ammonium salt

IRAM 14 522-1961

TN-INNORPI, Nitrogen content in ammonium salt

NT 14.33-1983

FI-SFS, Nitrogen content in ammonium salt

SFS 3029 E-1976 In the event of any differences in interpretation of this standard the Finnish version shall take precedence over this translation

PH-BPS, Nitrogen content in ammonium salt

PTS 83-1970 Method of Test for the Determination of Nitrogen Content of Nitrate-Free Fertilizers

Professional Standard - Ferrous Metallurgy, Nitrogen content in ammonium salt

YB/T 4530-2016 Nitrogen-bearing ferromanganese.Determination of nitrogen content.The distillation-neutralization titration method
YB/T 4020-2007 Determination for the cyanide content of sodium ferrocyanade
YB/T 4020-1991 Determination method of cyanide content in yellow blood sodium salt

Professional Standard - Petrochemical Industry, Nitrogen content in ammonium salt

SH/T 0413-1992 Determination of Trace Basic Nitrogen Content in Liquid Paraffin
SH/T 0224-1992 Determination of Nitrogen Content in Petroleum Additives (Kirsch method)
SH/T 1498.6-1997 Nylon 66 salt.Determination of content of nitrates.Spectrophotometric method
SH/T 1498.4-1997 Nylon 66 salt.Determination content of pseudo nitric acid
SH/T 1498.3-1997 Nylon 66 salt.Determination of content of total volatile bases

HU-MSZT, Nitrogen content in ammonium salt

MSZ 3612/8.lap-1961

Professional Standard - Light Industry, Nitrogen content in ammonium salt

QB/T 2115-1995 Determination of carbonate content in detergents
QB/T 2623.8-2003 Test methods of soaps Determination of phosphate content in soaps

Yunnan Provincial Standard of the People's Republic of China, Nitrogen content in ammonium salt

DB53/T 842-2017 Determination of rhenium content in rhenium compounds gravimetric method of tetraphenyl arsenic chloride hydrochloride

CO-ICONTEC, Nitrogen content in ammonium salt

ICONTEC 50-1991

ES-AENOR, Nitrogen content in ammonium salt

UNE 59-018-1986

Professional Standard - Chemical Industry, Nitrogen content in ammonium salt

HG 2842-1997 Rare earths content and determination in ammonium bicarbonate-compound fertilizers(tentadtive)
HG/T 2842-1997 Content and determination of rare earth elements in ammonium bicarbonate compound fertilizer (provisional)
HG/T 3540-1990 Determination of phosphor in industrial circulating cooling water Ammonium molybdate spectrophotometric method
HG/T 3540-2011 Industrial circulating cooling water.Determination of total phosphate
HG/T 2958.3-1988 Celestite ores-Determination of sulphate content-Barium sulphate gravimetric method

Professional Standard - Electricity, Nitrogen content in ammonium salt

DL 422.4-1991 Determination of sulfate content in industrial hydrochloric acid - Barium chromate spectrophotometric method

国家质量监督检验检疫总局, Nitrogen content in ammonium salt

SN/T 4764-2017 Elemental analyzer method for determination of carbon, hydrogen, nitrogen and sulfur content in coal

Qinghai Provincial Standard of the People's Republic of China, Nitrogen content in ammonium salt

DB63/T 1634-2018 Determination of Potassium Chloride Content in Molten Salt Electrolyte - Tetraphenylborate Sodium Quaternary Ammonium Salt Volumetric Method
DB63/T 1643-2018 Determination of fixed carbon content in carbonate-containing graphite ores Acid-soluble separation and subtraction weight method

IX-EU/EC, Nitrogen content in ammonium salt

80/876/EEC-1980 Council Directive on the Approximation of the Laws of the Member States Relating to Straight Ammonium Nitrate Fertilizers of High Nitrogen Content

American Society for Testing and Materials (ASTM), Nitrogen content in ammonium salt

ASTM D4193-02 Standard Test Method for Thiocyanate in Water
ASTM D4193-95 Standard Test Method for Thiocyanate in Water
ASTM D4193-08 Standard Test Method for Thiocyanate in Water
ASTM D4193-08(2013)e1 Standard Test Method for Thiocyanate in Water
ASTM D3230-06 Standard Test Method for Salts in Crude Oil (Electrometric Method)
ASTM D3230-05a Standard Test Method for Salts in Crude Oil (Electrometric Method)
ASTM D3230-05 Standard Test Method for Salts in Crude Oil (Electrometric Method)
ASTM D6018-96(2001) Standard Test Method for Determining the Presence of Lead Salts in Leather
ASTM D6018-96 Standard Test Method for Determining the Presence of Lead Salts in Leather
ASTM D6018-96(2006) Standard Test Method for Determining the Presence of Lead Salts in Leather
ASTM D3230-99 Standard Test Method for Salts in Crude Oil (Electrometric Method)
ASTM D3230-99(2004) Standard Test Method for Salts in Crude Oil (Electrometric Method)
ASTM D3230-08 Standard Test Method for Salts in Crude Oil (Electrometric Method)
ASTM D3230-09 Standard Test Method for Salts in Crude Oil (Electrometric Method)
ASTM D3230-13 Standard Test Method for Salts in Crude Oil (Electrometric Method)
ASTM E258-67(2002) Standard Test Method for Total Nitrogen in Organic Materials by Modified Kjeldahl Method
ASTM D3875-97 Standard Test Method for Alkalinity in Brackish Water, Seawater, and Brines
ASTM D3230-10 Standard Test Method for Salts in Crude Oil (Electrometric Method)
ASTM D1607-91(2000)e1 Standard Test Method for Nitrogen Dioxide Content of the Atmosphere (Griess-Saltzman Reaction)
ASTM D6016-96 Standard Test Method for Determination of Nitrogen, Water Extractable in Leather
ASTM D6016-96(2001) Standard Test Method for Determination of Nitrogen, Water Extractable in Leather
ASTM D1607-91(2018)e1 Standard Test Method for Nitrogen Dioxide Content of the Atmosphere (Griess-Saltzman Reaction)

IN-BIS, Nitrogen content in ammonium salt

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, Nitrogen content in ammonium salt

GB/T 218-2016 Determination of the carbonate carbon dioxide content in coal

农业农村部, Nitrogen content in ammonium salt

SC/T 3405-2018 Determination of alginate and mannitol content in seaweed

冶金工业部, Nitrogen content in ammonium salt

YB 4020-1991 Determination method of cyanide content in yellow blood sodium salt

Ningxia Provincial Standard of the People's Republic of China, Nitrogen content in ammonium salt

DB64/T 1714-2020 Determination of Available Phosphorus Content in Compound Fertilizers Spectrophotometric Method of Ammonium Vanadium Molybdate

Henan Provincial Standard of the People's Republic of China, Nitrogen content in ammonium salt

DB41/T 1704-2018 Determination of total nitrogen content in compound fertilizers Dumas combustion method

国家能源局, Nitrogen content in ammonium salt

NB/SH/T 0980-2019 Determination of basic nitrogen content in petroleum fractions by potentiometric titration method

Hebei Provincial Standard of the People's Republic of China, Nitrogen content in ammonium salt

DB13/T 1229-2010 Determination method of sulfate content in organic chemical products
DB13/T 81.21-1992 Determination method of strontium salt content in fireworks and firecrackers mixture

Zhejiang Provincial Standard of the People's Republic of China, Nitrogen content in ammonium salt

DB33/T 308-2001 Determination method of clenbuterol hydrochloride content in feed

Professional Standard - Energy, Nitrogen content in ammonium salt

NB/SH/T 0162-2021 Color indicator method for determination of basic nitrogen content in petroleum distillates

Xinjiang Provincial Standard of the People's Republic of China, Nitrogen content in ammonium salt

DB65/T 3397-2012 ABC Fire extinguishing media.Powder Determination of the Ammonium dihydrogen phosphate Automatic potentiomtric titration method

Professional Standard - Non-ferrous Metal, Nitrogen content in ammonium salt

YS/T 807.4-2012 Chemical analysis methods of aluminum hardeners.Part 4:Determination of chromium content.The ammonium persulfate oxidation-ammonium ferrous sulfate titrimetric method

Professional Standard - Ocean, Nitrogen content in ammonium salt

HY/T 0347-2022 Determination of seawater trace ammonium—Flow analysis,solid phase extraction and o-phthaldialdehyde fluorescence detection