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Nitrogen content test

Nitrogen content test, Total:456 items.

In the international standard classification, Nitrogen content test involves: Leather technology, Analytical chemistry, Pulps, Edible oils and fats. Oilseeds, Rubber and plastics products, Products of the chemical industry, Water quality, Cutting tools, Air quality, Fuels, Ferroalloys, Rubber, Meat, meat products and other animal produce, Construction materials, Metrology and measurement in general, Paint ingredients, Petroleum products in general, Soil quality. Pedology, Testing of metals, Ferrous metals, Linear and angular measurements, Protection against crime, Non-ferrous metals, Cereals, pulses and derived products, Paints and varnishes, Law. Administration, Measurement of volume, mass, density, viscosity, Raw materials for rubber and plastics, Non-destructive testing, Textile auxiliary materials, Organic chemicals, Spices and condiments. Food additives, Medical equipment, Natural gas, General methods of tests and analysis for food products, Animal feeding stuffs, Hydraulic energy engineering, Nuclear energy engineering, Tobacco, tobacco products and related equipment, Particle size analysis. Sieving, Lubricants, industrial oils and related products, Fluid storage devices, Milk and milk products, Inorganic chemicals, Glass, Plastics, Food products in general, Products of the textile industry, TESTING, Tea. Coffee. Cocoa, Equipment for entertainment, Earthworks. Excavations. Foundation construction. Underground works, Compressors and pneumatic machines, Mining and quarrying, ENVIRONMENT. HEALTH PROTECTION. SAFETY, Paper and board, Textile fibres, Alarm and warning systems, Vocabularies, Beverages, Insulating fluids.

Taiwan Provincial Standard of the People's Republic of China, Nitrogen content test

CNS 1289-1960 Method of Test for Leather (Nitrogen Content Test)
CNS 9321-1992 Method of Test for Iron in Pulp`6rortho-phenanthroline photometric method`6s}E8}E8}E8}E8
CNS 2681-1966 Method of Test for Compressed Nitrogen in Cylinder
CNS 4051-1976 Methods for Determination of Nitrate Nitrogen in Polluted and Waste Water
CNS 4052-1976 Methods for Determination of Nitrite Nitrogen in Polluted and Waste Water
CNS 6511-1980 Method of Test for Meat and Meat Products: Determination of Nitrogen Content
CNS 787-1983 Method of Test for Air Content of Hydraulic Cement Mortar
CNS 13199-1993 Method of Test for Nitrogen Oxides in Ambient Air (Chemiluminescence Method)
CNS 5348-1980 Method of Test for Iron in Rosin
CNS 4085-1977 Method of Test for Oxides of Nitrogen in Exhaust Gases:(PDS (Phenol Disulfonic Acid) Method)
CNS 4084-1977 Method of Test for Nitrogen Dioxide in Exhaust Gases (Saltzman Method)
CNS 1291-1981 Method of Test for Chromium Oxide Content of Leather
CNS 8991-1982 Chemical Reagent(Ammonium Salt Nitrates and Total Nitrogen Determination)
CNS 10880-15-1996 Method of Test for Paint Components(Quantitative Test of Nitrogen in Solvent Solubles)
CNS 10880.15-1996 Method of Test for Paint Components(Quantitative Test of Nitrogen in Solvent Solubles)
CNS 3791-1999 Method of test for metal in canned food-Determination of tin
CNS 9638-1982 Method of Test for Calcium and Phosphorus in Food Stuff
CNS 8598-1982 Method of Test for Volatile Content of Paints
CNS 13122-1992 Method of Test for Copper in Pulp
CNS 8522-1982 Method of Test for Lead in Lead - Free Paints
CNS 5582-1980 Method of Test for Moisture in Activated Carbon
CNS 14836-2004 Method of test for Lycopene in food
CNS 6838-1980 Method of Test for Vanadium in Fuel Oil
CNS 13200-1993 Method of Test for Nitrogen Dioxide in Ambient Air (Modified Griess - Saltzman Method)
CNS 11459-1985 Method of Test for Tobacco - Determination of Water Content
CNS 1164-1983 Method of Test for Organic Impurities in Fine Aggregates
CNS 3444-2007 Method of test for milk and milk products - Determination of fat content
CNS 14769-2003 Method of test for edible oils and fats－Determination of copper
CNS 7049-1981 Method of Test for Carbon Blank in Olefin Plastics
CNS 5037-1997 Method of test for foodstuffs-Determination of crude fiber content
CNS 6238-1980 Method of Test for Lead in Tribasic Lead Phosphosilicate
CNS 4529-2003 Method of test for edible oils and fats－Determination of lead
CNS 6239-1980 Method of Test for Phosphorus in Tribasic Lead Phosphosilicate
CNS 5590-1980 Method of Test for Chloride in Trichlorotrifluoroethane
CNS 9323-1992 Method of Test for Acid - Insoluble Ash in Pulp
CNS 4798.6-1994 Method of test for toy safety (Testing for irritant substance content)
CNS 4798.5-1994 Method of test for toy safety (Testing for toxic substance content)
CNS 6258-2008 Method of test for meat and meat products - Determination of moisture content
CNS 6611-2008 Method of test for meat and meat products - Determination of total phosphorus content
CNS 6510-2008 Method of test for meat and meat products - Determination of starch content
CNS 8161-1981 Method of Test for Essential Oil Content in Perfume (for Cosmetic)
CNS 8999-1982 Methods of Test for Copper in Industrial Waste Water - Polarographic Method
CNS 6259-2008 Method of test for meat and mesat products - Determination of ash content
CNS 4798-6-1994 Method of test for toy safety (Testing for irritant substance content)
CNS 4798.7-1994 Method of test for toy safety (Testing for corrosive substance content)
CNS 4798-5-1994 Method of test for toy safety (Testing for toxic substance content)
CNS 4798-7-1994 Method of test for toy safety (Testing for corrosive substance content)
CNS 12981-2007 Method of test for milk and milk products - Determination of fat content in edible cheese
CNS 6391-2008 Method of test for meat and meat products - Determination of nitrate content
CNS 6512-2008 Method of test for meat and meat products - Determination of chloride content
CNS 5885-1980 Method of Test for Hygroscopic Moisture (And Other Matter Volatile Under the Test Condition) in Pigments
CNS 12957-2007 Method of test for milk and milk products - Determination of total phosphorus content in edible cheese
CNS 6392-2008 Method of test for meat and meat products - Determination of total fat content
CNS 9432-1982 Method of Test for Beverage: Determination of Caffeine
CNS 8997-1982 Method of Test for Copper in Industrial Waste Water - Spectrophotometric Method
CNS 6241-1980 Method of Test for Water of Hydration in Tribasic Lead Phosphosilicate
CNS 12957-1992 Method of Test for Milk and Milk Products:Determination of Total Phosphorus Content
CNS 6213-1980 Determination of the Assay of Maleic Anhydride for Industrial Use(Titrimetric Method)
CNS 6240-1980 Method of Test for Silica in Tribasic Lead Phosphosilicate
CNS 14783-2003 Method of test for benzene in hydrocarbon solvents by gas chromatography

Professional Standard - Agriculture, Nitrogen content test

GB 4845-1984 Nitrogen test method
JJF 1070-2023 Measurement and Inspection Rules for Net Content of Quantitatively Packaged Commodities
CNAS-GI007-2021 Measurement guidelines included in the inspection process

HU-MSZT, Nitrogen content test

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

GB/T 6625-1986 Test methods for nitrogen content of nitrogen-doped getter
GB/T 9823-2008 Inspection of grain and oils.Determination of total nitrogen content in plant oilseeds residues
GB/T 24583.2-2009 Vanadium-Nitrogen alloy.Determination of nitrogen content.Thermal conductimetric method after fusion in a current of inert gas
GB/T 14605-1993 Determination of trace argon, nitrogen and krypton inoxygen. Gas chromatographic method
GB/T 21254-2007 Breath alcohol analyzers
GB/T 21254-2017 Breath Alcohol Tester
GB/T 43241-2023 Forensic Science Nitrous Oxide Test Gas Chromatography-Mass Spectrometry
GB 19522-2004 Blood-breath alcohol concentration and examination for driving
GB 19522-2010 Blood & breath alcohol concentration and examination for vehicle drivers
GB/T 20124-2006 Steel and iron - Determination of nitrogen content - Thermal conductimetric method after fusion in a current of inert gas (Routine method)
GB/T 5537-2008 Inspection of grain and oils.Determination of phosphatide content
GB/T 5533-1985 Inspection of vegetable oils--Methods for determination of saponified matter content
GB/T 12372-1990 Standard method for examination of nitrogen dioxide in air of residential areas--Modified Saltzman method
GB/T 12442-1990 Test method for the hydroxyl groups content of silica glass
GB/T 5508-2011 Inspection of grain and oils.Determination of sand content in milled product
GB/T 30500-2014 Ultrasonic gas flow meter performance online audit.Method using speed of sound checking
GB/T 5508-1985 Inspection of grain and oilseeds--Methods for determination of sand content of flours
GB/T 5533-2008 Inspection of grain and oils.Determination of soap content in vegetable oils
GB/T 5512-2008 Inspect of grain and oilseeds.Determination of crude fat content in grain
GB/T 5514-2008 Inspection of grain and oils.Determination of starch content in grain and oilseeds
GB/T 24896-2010 Inspection of grain and oils-Determination of moisture content in paddy-Near-infrared method
GB/T 24898-2010 Inspection of grain and oils-Determination of moisture content in wheat-Near-infrared method
GB/T 24900-2010 Inspection of grain and oils-Determination of moisture content in maize-Near-infrared method
GB/T 25219-2010 Inspection of grain and oils.Determination of starch content in maize.Near-infrared method

Professional Standard - Commodity Inspection, Nitrogen content test

SN/T 0736.5-1999 Chemical analysis of fertilizers for import and export.Determination of nitrogen content
SN/T 0541.5-2009 Inspecting method of import and export standard rubber.Determination of nitrogen content
SN/T 0736.11-2002 Chemical analysis of fertilizers for import and export.Determination of nitrogen content by auto analyzer
SN/T 0736.5-2010 Test method of import and export fertilizers.Part 5: Determination of nitrogen content
SN/T 1251-2003 Test method of furfural alcohol purity-Gas chromatography
SN/T 4302-2015 Rapid detection method of tris-(aziridyl)phosphine oxide in textiles by gas chromatography-mass spectrometry
SN/T 0481.9-2010 Methods for inspection of bauxite for export.Part 9:Determination of free iron content.1,10-Phenanthroline spectrophotometric method
SN/T 0486.4-1995 Methods for inspection of vermiculite for export.Method for inspection of sand content1995-09-06
SN/T 1566-2005 Determination of down content of washed feather and down-Down testing instrumentation
SN/T 0393-1995 Method for the inspection of mercury in fishery products for export
SN/T 0393-2013 Determination of total mercury in seafood for exports
SN/T 0980-2000 Rules for the inspection of actual clean cashmere content in goatcashmere for import and export
SN/T 0800.11-1999 Cereals and feedstuffs for import and export.Method for the determination of salt contents
SN/T 1511.1-2005 Inspection of lactic acid in fruit juice for import and export
SN/T 0736.9-1999 Chemical analysis of fertilizers for import and export.Determination of choride ion content
SN/T 0311.1-1994 Method for the determination of sugar in cotton fiber forimport and export.Quantitative method
SN/T 0800.5-1999 Cereals and feedstuffs for import and export.Method for the determination of starch content
SN/T 0800.6-1999 Cereals and feedstuffs for import and export.Method for the determination of ash
SN/T 0800.9-1999 Cereals and feedstuffs for import and export.Method for the determination of tannin content
SN/T 0800.8-1999 Cereals and feedstuffs for import and export.Method for the determination of crude fibre content
SN/T 0801.2-1999 Animal and vegetable oils and fats for import and export.Method for the determination of phosphorous

YU-JUS, Nitrogen content test

JUS H.F8.131-1986 Gases. Determination of nitrogen content. Indirect method
JUS H.F8.132-1986 Gases. Determination of nitrogen content. Gas chromatographic method
JUS F.S3.143/1-1992 Testing (Quantitative analysis) of fibres mixtures. Binary mixtures of jute and certain animal fibres. Method by determining nitrogen content. Amendments

German Institute for Standardization, Nitrogen content test

DIN 53308:1968 Testing of leather; determination of the contents of total nitrogen and of ammonium salts, calculation of hide substance
DIN 51722-1:1990 Testing of solid fuels; determination of nitrogen content; semi-micro Kjeldahl method
DIN 51862:1982 Testing of gaseous fuels and other gases; determination of naphthalene content (crude naphthalene)
DIN 51855-4:1995 Testing of gaseous fuels and other gases - Determination of sulphur compounds content - Part 4: Content of hydrogen sulfide, zinc acetate method
DIN 51864:1986 Testing of gaseous fuels and other gases; determination of nitrogen monoxide content; Saltzman method
DIN 51444:2003 Testing of petroleum products - Determination of nitrogen - Oxidative combustion method with chemiluminescence detector
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 51869:2000 Testing of gaseous fuels and other gases - Determination of water content according to Karl Fischer - coulometric method
DIN 51863-2:1983 Testing of gaseous fuels and other gases; determination of hydrogen cyanide content; bromide cyanogen method
DIN 51863-1:1983 Testing of gaseous fuels and other gases; determination of hydrogen cyanide content; nickel carbonate method
DIN 51725:2004 Testing of solid fuels - Determination of the phosphorus content
DIN 51864:1986-09 Testing of gaseous fuels and other gases; determination of nitrogen monoxide content; Saltzman method
DIN EN ISO 10720:2007 Steel and iron - Determination of nitrogen content - Thermal conductimetric method after fusion in a current of inert gas (ISO 10720:1997); English version of DIN EN ISO 10720:2007-06
DIN EN ISO 10720:2007-06 Steel and iron - Determination of nitrogen content - Thermal conductimetric method after fusion in a current of inert gas (ISO 10720:1997); German version EN ISO 10720:2007
DIN 12702:1978 Laboratory glassware; volumetric glassware for gas analysis, gas burettes, azotometers, eudiometers, nitrometers
DIN 51375-2:2001 Testing of lubricants - Determination of 1,2-ethanediol content of motor oils - Part 2: Gas chromatography
DIN 51904:1981 Testing of carbon materials; determination of water content; solid matters
DIN 53309:1968 Testing of leather; determination of the chromous oxide content
DIN 54285:1981 Testing of textiles; determination of sizing content
DIN 51855-6:2000-09 Testing of gaseous fuels and other technical gases - Determination of sulfur compounds content - Part 6: Content of hydrogen sulfide, mercaptan sulfur and carbonylsulfide sulfur; potentiometric method
DIN 51784:1983 Testing of liquid fuels; determination of content of lubricating oils of lubricated petrol on the determination of test gum content in hydrocarbons by jet evaporation
DIN 51438:2005 Testing of benzene and benzene homologues - Determination of the thiophene content of benzene - Gas chromatography
DIN 51438:2005-02 Testing of benzene and benzene homologues - Determination of the thiophene content of benzene - Gas chromatography
DIN 51855-7:1986 Testing of gaseous fuels and other gases; determination of the content of sulfur compounds; gaschromatographic determination of the content of odoriferous sulfur compounds using an electrochemical detector
DIN 51859:1990 Testing of gaseous fuels and other gases; gravimetric determination of the content of condensate as a function of pressure and temperature
DIN 54604-1:1988 Testing of paper and board; determination of starch content; enzymatic analysis of native starch content
DIN 51904:2012 Testing of carbonaceous materials - Determination of water content - Solid matters
DIN 54287:1977 Testing of textiles; determination of alkali content of wool
DIN EN 50545-1:2017 Electrical apparatus for the detection and measurement of toxic and combustible gases in car parks and tunnels - Part 1: General performance requirements and test methods for the detection and measurement of carbon monoxide and nitrogen oxides
DIN EN ISO 15351:2010-08 Steel and iron - Determination of nitrogen content - Thermal conductimetric method after fusion in a current of inert gas (Routine method) (ISO 15351:1999); German version EN ISO 15351:2010
DIN 51855-1:2011 Testing of gaseous fuels and other gases - Determination of the content of sulphur compounds - Part 1: Field of application, terms
DIN 54361:1976 Testing of pulp; determination of pentosan content, furfural method
DIN 53345-3:1978 Testing of fat liquors and greases for leather; methods of analysis, determination of water-content and water-miscible solvents
DIN 51854:1993 Testing of gaseous fuels and other gases; determination of ammonia content

Professional Standard - Machinery, Nitrogen content test

JB/T 3912-2013 Quality inspection of steam treatment and oxynitride for high-speed steel cutting tools

American Society for Testing and Materials (ASTM), Nitrogen content test

ASTM D5475-93(1997) Standard Test Method for Nitrogen- and Phosphorus-Containing Pesticides in Water by Gas Chromatography with a Nitrogen-Phosphorus Detector
ASTM D5475-93(2002) Standard Test Method for Nitrogen- and Phosphorus-Containing Pesticides in Water by Gas Chromatography with a Nitrogen-Phosphorus Detector
ASTM D3533-90(1995)e1 Standard Method of Rubber8212;Nitrogen Content
ASTM D3533-90(2001) Standard Test Method for Rubber8212;Nitrogen Content
ASTM D1607-91(2000)e1 Standard Test Method for Nitrogen Dioxide Content of the Atmosphere (Griess-Saltzman Reaction)
ASTM D3533-05 Standard Test Method for Rubber—Nitrogen Content
ASTM D2868-96 Standard Test Method for Nitrogen Content (Kjeldahl) and Hide Substance Content of Leather
ASTM D2868-96(2001) Standard Test Method for Nitrogen Content (Kjeldahl) and Hide Substance Content of Leather
ASTM D2868-10 Standard Test Method for Nitrogen Content (Kjeldahl) and Hide Substance Content of Leather
ASTM D1607-91(2011) Standard Test Method for Nitrogen Dioxide Content of the Atmosphere (Griess-Saltzman Reaction)
ASTM D3608-95(2005) Standard Test Method for Nitrogen Oxides (Combined) Content in the Atmosphere by the Griess-Saltzman Reaction
ASTM D3608-95(2000)e1 Standard Test Method for Nitrogen Oxides (Combined) Content in the Atmosphere by the Griess-Saltzman Reaction
ASTM D3608-95(2011) Standard Test Method for Nitrogen Oxides (Combined) Content in the Atmosphere by the Griess-Saltzman Reaction
ASTM D3608-19 Standard Test Method for Nitrogen Oxides (Combined) Content in the Atmosphere by the Griess-Saltzman Reaction
ASTM D2868-07 Standard Test Method for Nitrogen Content (Kjeldahl) and Hide Substance Content of Leather
ASTM E1937-97 Standard Test Method for Determination of Nitrogen in Titanium and Titanium Alloys by the Inert Gas Fusion Technique
ASTM D1607-91(2018)e1 Standard Test Method for Nitrogen Dioxide Content of the Atmosphere (Griess-Saltzman Reaction)
ASTM E258-67(2002) Standard Test Method for Total Nitrogen in Organic Materials by Modified Kjeldahl Method
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(2005) Standard Test Method for Nitrogen Dioxide Content of the Atmosphere (Griess-Saltzman Reaction)
ASTM D2868-10(2015) Standard Test Method for Nitrogen Content (Kjeldahl) and Hide Substance Content of Leather, Wet Blue and Wet White
ASTM D4795-94(2003) Standard Test Method for Nitrogen Content of Soluble Nitrocellulose8212;Alternative Method
ASTM D4795-94(1998) Standard Test Method for Nitrogen Content of Soluble Nitrocellulose-Alternative Method
ASTM D4795-94(2008) Standard Test Method for Nitrogen Content of Soluble Nitrocellulosex2014;Alternative Method
ASTM D4944-98 Standard Test Method for Field Determination of Water (Moisture) Content of Soil by the Calcium Carbide Gas Pressure Tester Method
ASTM E1019-00 Standard Test Methods for Determination of Carbon, Sulfur, Nitrogen, and Oxygen in Steel and in Iron, Nickel, and Cobalt Alloys
ASTM E1019-18 Standard Test Methods for Determination of Carbon, Sulfur, Nitrogen, and Oxygen in Steel and in Iron, Nickel, and Cobalt Alloys
ASTM D6505-00(2006) Standard Test Method for Assay of normal-Propyl Bromide Content
ASTM D6505-00 Standard Test Method for Assay of normal-Propyl Bromide Content
ASTM D4629-12(2017) Standard Test Method for Trace Nitrogen in Liquid Petroleum Hydrocarbons by Syringe/Inlet Oxidative Combustion and Chemiluminescence Detection
ASTM E1019-03 Standard Test Methods for Determination of Carbon, Sulfur, Nitrogen, and Oxygen in Steel and in Iron, Nickel, and Cobalt Alloys
ASTM E1019-02 Standard Test Methods for Determination of Carbon, Sulfur, Nitrogen, and Oxygen in Steel and in Iron, Nickel, and Cobalt Alloys
ASTM E1140-95(2000) Standard Practice for Testing Nitrogen/Phosphorus Thermionic Ionization Detectors for Use In Gas Chromatography
ASTM D6505-00(2012) Standard Test Method for Assay of normal-Propyl Bromide Content
ASTM D6505-00(2017) Standard Test Method for Assay of normal-Propyl Bromide Content
ASTM D2945-90(2003) Standard Test Method for Gas Content of Insulating Oils
ASTM E649-00(2011) Standard Test Method for Bromine in Chlorine
ASTM D5599-17 Standard Test Method for Determination of Oxygenates in Gasoline by Gas Chromatography and Oxygen Selective Flame Ionization Detection
ASTM D5599-18 Standard Test Method for Determination of Oxygenates in Gasoline by Gas Chromatography and Oxygen Selective Flame Ionization Detection
ASTM D3824-95(2005) Standard Test Methods for Continuous Measurement of Oxides of Nitrogen in the Ambient or Workplace Atmosphere by the Chemiluminescent Method
ASTM D3824-12 Standard Test Methods for Continuous Measurement of Oxides of Nitrogen in the Ambient or Workplace Atmosphere by the Chemiluminescent Method
ASTM D2945-90(1998) Standard Test Method for Gas Content of Insulating Oils
ASTM C185-99 Standard Test Method for Air Content of Hydraulic Cement Mortar
ASTM D2913-96(2007) Standard Test Method for Mercaptan Content of the Atmosphere
ASTM D2913-96(2001)e1 Standard Test Method for Mercaptan Content of the Atmosphere
ASTM C185-19 Standard Test Method for Air Content of Hydraulic Cement Mortar
ASTM C185-20 Standard Test Method for Air Content of Hydraulic Cement Mortar
ASTM C185-08 Standard Test Method for Air Content of Hydraulic Cement Mortar
ASTM D2945-90(2003)e1 Standard Test Method for Gas Content of Insulating Oils
ASTM D2913-14 Standard Test Method for Mercaptan Content of the Atmosphere
ASTM D5291-02(2007) Standard Test Methods for Instrumental Determination of Carbon, Hydrogen, and Nitrogen in Petroleum Products and Lubricants
ASTM D5291-02 Standard Test Methods for Instrumental Determination of Carbon, Hydrogen, and Nitrogen in Petroleum Products and Lubricants
ASTM E258-07 Standard Test Method for Total Nitrogen in Organic Materials by Modified Kjeldahl Method

British Standards Institution (BSI), Nitrogen content test

DD ENV 12260-1996 Water quality. Determination of nitrogen. Determination of bound nitrogen, after combustion and oxidation to nitrogen dioxide, using chemiluminescence detection
BS 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
BS EN ISO 10720:1997 Steel and iron. Determination of nitrogen content. Thermal conductimetric method after fusion in a current of inert gas
BS EN ISO 10720:2007 Steel and iron - Determination of nitrogen content - Thermal conductimetric method after fusion in a current of inert gas
BS 7164-21:1996 Chemical tests for raw and vulcanized rubber - Determination of nitrogen content
BS EN 1163:1997 Feather and down - Test methods - Determination of the oil and fat content
BS ISO 12799:2015 Nuclear energy. Determination of nitrogen content in UO2, (U,Gd)O2 and (U,Pu)O2 sintered pellets. Inert gas extraction and conductivity detection method
BS EN ISO 10695:2000 Water quality. Determination of selected organic nitrogen and phosphorus compounds. Gas chromatographic methods
BS ISO 8573-2:2007 Compressed air - Test methods for oil aerosol content
BS 6049-9:1999 Methods of test for tea. Determination of crude fibre content
BS ISO 8573-6:2003 Compressed air - Test methods for gaseous contaminant content
BS EN 50545-1:2011+A1:2016 Electrical apparatus for the detection and measurement of toxic and combustible gases in car parks and tunnels - General performance requirements and test methods for the detection and measurement of carbon monoxide and nitrogen oxides
BS 4258-10:1978 Methods of test for phosphoric acid (orthophosphoric acid) for industrial use - Determination of oxides of nitrogen content
BS EN ISO 15351:2010 Steel and iron - Determination of nitrogen content - Thermal conductimetric method after fusion in a current of inert gas (Routine method)
BS 7164 Pt.21:1990 Chemical tests for raw and vulcanized rubber. Determination of nitrogen content
BS EN 12350-7:2000 Testing fresh concrete - Air content - Pressure methods
BS ISO 8573-9:2004 Compressed air - Test methods for liquid water content

RU-GOST R, Nitrogen content test

GOST 32459-2013 White phosphorus. Determination in water by gas chromatography with nitrogen-phosphorus detector

Association Francaise de Normalisation, Nitrogen content test

NF T90-015:1975 TESTING WATER-DETERMINATION OF NITROGEN (AMMONIA)
NF X43-009:1973 Nitrogen dioxyde content of the atmosphere (griess saltzman reaction).
NF X43-018:1983 Air pollution. Measurement of nitrogen oxides by chemiluminescence.
NF A09-492:2001 Non-destructive testing - Leak testing - Tracer gas method.
NF A06-559*NF EN ISO 15351:2010 Steel and iron - Determination of nitrogen content - Thermal conductimetric method after fusion in a current of inert gas (Routine method)
NF T90-012*NF 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.
NF A09-492/A1:2004 Non-destructive testing - Leak testing - Tracer gas method.
NF V03-050*NF ISO 1871:2009 Food and feed products - General guidelines for the determination of nitrogen by the Kjeldahl method.
NF A06-380*NF EN ISO 10720:2007 Steel and iron - Determination of nitrogen content - Thermal conductimetric method after fusion in a current of inert gas
NF M60-471*NF EN ISO 12799:2019 Nuclear energy - Determination of nitrogen content in UO2, (U,Gd)O2 and (U,Pu)O2 sintered pellets - Inert gas extraction and conductivity detection method
NF D90-209*NF EN 1163:1997 Feather and down. Test methods. Determination of the oil and fat content.
NF A09-461:2002 Non-destructive testing - Leak test - Calibration of gaseous reference leaks.

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

GB/T 24583.2-2019 Vanadium-nitrogen—Determination of nitrogen content—Thermal conductimetric method after fusion in a current of inert gas
GB/T 39875-2021 Examination methods for chlordiazepoxide in suspected drugs—Gas chromatography and gas chromatography-mass spectrometry
GB/T 12442-2019 Test method for the hydroxyl groups content of silica glass
GB/T 39701-2020 Limit and test method of ammonium ion content in fly ash

工业和信息化部, Nitrogen content test

YB/T 4566.1-2016 Determination of nitrogen content in vanadium iron nitride by inert gas melting thermal conductivity method
YB/T 4529-2016 Determination of nitrogen content in manganese iron nitride by inert gas melting thermal conductivity method
YB/T 4528-2016 Determination of nitrogen content in ferrochromium nitride and high nitrogen ferrochrome by inert gas melting thermal conductivity method
YB/T 4565-2016 Determination of titanium iron nitrogen content by inert gas melting thermal conductivity method
YB/T 4779-2019 Determination of nitrogen content in vanadium-nitrogen alloys by pulse heating inert gas melting-time-of-flight mass spectrometry (conventional method)
YB/T 4908.6-2021 Determination of oxygen and nitrogen content in vanadium-aluminum alloys by inert gas fusion infrared absorption method and thermal conductivity method
YS/T 1210-2018 Microscope polarization test method for oxygen content in copper
YS/T 1525-2022 Chemical analysis methods for nickel-platinum alloys, determination of oxygen and nitrogen content, pulse-infrared absorption method and thermal conductivity detection method

Japanese Industrial Standards Committee (JISC), Nitrogen content test

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
JIS P 8205:1976 Method of testing pitch content of paper pulp
JIS D 1030:1998 Automobiles -- Analytical procedure for measurement of carbon monoxide, carbon dioxide, total hydrocarbons and oxides of nitrogen in exhaust gas

Military Standard of the People's Republic of China-General Armament Department, Nitrogen content test

GJB 533.5-1988 Detection method for 45 components of submarine cabin air. Determination of nitrogen oxide content. Calibration tube method
GJB 770.303-1989 Test methods for gunpowder analysis: Determination of nitrogen content of nitrocellulose. Five-tube nitrogen meter method
GJB 533.22-1988 Detection method for 45 components of submarine cabin air. Determination of hydrogen, oxygen, nitrogen and methane content by gas chromatography.
GJB 770.308-1990 Test methods for gunpowder analysis Determination of nitrogen content of nitrocellulose Ferrous iron-titanium chloride method
GJB 533.7-1988 Detection method for 45 components of submarine cabin air. Determination of chlorine content. Calibration tube method
GJB 533.10-1988 Detection method for 45 components of submarine cabin air. Determination of ammonia content. Calibration tube method
GJB 533.11-1988 Detection method for 45 components of submarine cabin air - Determination of ethanolamine vapor content Calibration tube method
GJB 987.2-1990 Weather balloon test method Determination of residual calcium chloride content

Indonesia Standards, Nitrogen content test

SNI 19-1432-1989 Exhaust-gases, Test methods for nitrogen dioxide content
SNI 19-1502-1989 Test method for nitrogen oxides content of air in working area
SNI 2354.2-2015 Cara uji kimia – Bagian 2: Pengujian kadar air pada produk perikanan
SNI 19-7119.2-2005 Ambient atmospheres - Part 2: Test methods of nitrogen dioxide (NO2) content by Griess Saltzman using spectrophotometers

PL-PKN, Nitrogen content test

PN Z04075-1961 Speedy Me?hod for De?er mina?ion of Ni?rogen Oxyde* in Air
PN A79528-17-1993 Spirit (ethyl alcohol). Methods of tests. Determination of voltile nitrogen basen content
PN C87070-03-1992 Fertilizers Test of arsenie, cadmium, lead and mercury in nitrogenous and phosphatic fertilizers Determination of arsenie
PN C87070-04-1992 Fertilizers Tests of arsenie, cadmium, lead and mercury in nitrogenous and phosphatic fertilizers Determination of cadmium
PN C87070-05-1992 Fertilizers Tests of arsenie, cadmium, lead and mercury in nitrogenous and phosphatic fertilizers Determination of lead
PN C87070-06-1992 Fertilizers Tests of arsenie, cadmium, lead and mercury in nitrogenous and phosphatic fertilizers Determination of mercury
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
PN Z04020-01-1991 Air purity protection. Tests for elemental carbon content. General

Korean Agency for Technology and Standards (KATS), Nitrogen content test

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 D ISO 10720-2003(2018) Steel and iron－Determination of nitrogen content－Thermal conductimetric method after fusion in a current of inert gas
KS E 3733-1989 Determination or Carbon Monoxide and Temperature in Combustion Gases of Holed Briquette
KS D ISO 10720:2003 Steel and iron-Determination of nitrogen content-Thermal conductimetric method after fusion in a current of inert gas
KS D ISO 15351-2003(2018) Steel and iron－Determination of nitrogen content－Thermal conductimetric method after fusion in a current of inert gas(Routine method)
KS D ISO 10700-2008(2018) Steel and iron－Determination of manganese content－Flame atomic absorption spectrometric method
KS B ISO 11113:2005 Cylinders for liquefied gases(excluding acetylene and LPG)-Inspection at time of filling
KS B ISO 11113:2013 Cylinders for liquefied gases(excluding acetylene and LPG)－Inspection at time of filling
KS B ISO 8573-2-2003(2008) Compressed air for general use－Test methods for aerosol oil content
KS M ISO 6745:2007 Zinc phosphate pigments for paints-Specifications and methods of test
KS F 2409-2016 Method of test for unit mass and air content of fresh concrete
KS F 2409-1985 Method of test for unit mass and air content of fresh concrete
KS L 3136-1995 Testing method for air content of hydraulic cement mortar
KS L 3136-2005(2015) Testing method for air content of hydraulic cement mortar
KS B ISO 8573-4-2003(2008) Compressed air－Test methods for solid particle content

AT-ON, Nitrogen content test

ONORM C 1305-1964
ONORM L 1062-1988 Physical investigations ofsoil; determination of water content and water ratio

SE-SIS, Nitrogen content test

SIS SS 02 84 15-1980 Workplace atmosphere — Nitrogen dioxide content in air — Colorimetric method
SIS SS-ISO 8761:1990 Work-place air — Determination of mass concentration of nitrogen dioxide — Method using detector tubes for short- term sampling with direct indication

Anhui Provincial Standard of the People's Republic of China, Nitrogen content test

DB34/T 3690-2020 Determination of carbon dioxide and nitrogen content in liquefied petroleum gas

NL-NEN, Nitrogen content test

NEN 2044-1985 Air quahty - txhaust gases Wet chemical determination of nitrogen oxides content
NEN 2041-1982 Air quality — Ambient air — Photometric determination of the nitrogen monoxide content (oxidation/Saltzman method)
NEN 2040-1979 Ambient air - Photometric determination of nitrogen dioxide content (Saltzman method)

NO-SN, Nitrogen content test

NS 4869-1985 Air quality - Nitrogen dioxide content in workplace atmosphere - Colometric metod

工业和信息化部/国家能源局, Nitrogen content test

JB/T 13306-2017 Method for detecting impurity content in superabrasive cubic boron nitride

Professional Standard - Energy, Nitrogen content test

NB/SH/T 6014-2020 Determination of Nitrogenous Compounds in Middle Distillates by Gas Chromatography-Nitrogen Chemiluminescence Detection
DL/T 2407-2021 Field Detection Method of Gas Content in Transformer Oil

Group Standards of the People's Republic of China, Nitrogen content test

T/ZJGBZJL 001-2019 Testing rules for filling net quantity of bottled liquefied petroleum gas
T/NXCL 023-2023 Determination of hydrogen and nitrogen in Beryllium— Inert gas fusion infrared absorption/ thermal conductivity method
T/CNIA 0016-2019 Determination of Hydrogen Chloride, Nitrogen, Oxygen and Total Carbon Content in Recycled Hydrogen for Polysilicon by Gas Chromatography
T/CMA HG101-2023 calibration method for gas detectors and alarms of nitric oxide, nitrogen dioxide (measuring range 0 μmol/mol～500 μmol/mol) for mining
T/CFDIA 002-2018 Test Method for Net Down Content and Down Number of Down

BE-NBN, Nitrogen content test

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
NBN T 95-301-1977 Determination of the nitrogen oxides content of flue gasses -Photometrie method with chromotropic acid
NBN-EN 286-1-1991

PH-BPS, Nitrogen content test

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

National Metrological Verification Regulations of the People's Republic of China, Nitrogen content test

JJG 657-2019 Breath Alcohol Analyzers
JJG 657-1990 Verification Regulation of Detector for Alcoholic Quantity from Breathing -out Gas
JJG 657-2006 Verification Regulation of Detector for Alcoholic Quantity from Breathing-out Gas

Professional Standard - Public Safety Standards, Nitrogen content test

GA/T 1615-2019 Clozapine Detection in Forensic Science Biological Samples by Gas Chromatography and Gas Chromatography-Mass Spectrometry
GA/T 842-2019 Examination methods for ethanol concentration in blood
GA/T 842-2009 How to test blood alcohol content
GA/T 1008.12-2013 GC and GC-MS examination methods for drugs.Part 12:Chlordiazepoxide
GA/T 1631-2019 Forensic science blood, urine, mirtazapine and fluoxetine testing by gas chromatography and gas chromatography-mass spectrometry
GA/T 1147-2014 Labortory specifications for examination of ethanol concentration in driver's blood

Professional Standard - Light Industry, Nitrogen content test

QB/T 2722-2005 Leather-Chemical tests-Determination of nitrogen content and "hide substance"-Titrimetric method

Professional Standard - Ferrous Metallurgy, Nitrogen content test

YB/T 4306-2012 Steel,iron and alloy.Determination of nitrogen content.Thermal conductimetric method after fusion in a current of inert gas

VN-TCVN, Nitrogen content test

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

BR-ABNT, Nitrogen content test

ABNT P-MB-166-1964

CZ-CSN, Nitrogen content test

CSN 34 5684-1981 Climatic tests of electric devices. Cyclic test in the atmosphere containing nitrogen oxides NO and NG2
CSN 461011-18-2003 Testing of cereals, pulses and oilseeds - Part 18: Testing of cereals - Determination of nitrogen matter content

ZA-SANS, Nitrogen content test

SANS 1697:2007 Verification standards for the verification of mass-measuring instruments, including commercial standard masspieces
SANS 1698:2007 Verification standards for the verification of volume-measuring instruments, including commercial standards of volume

Professional Standard - Military and Civilian Products, Nitrogen content test

WJ 36-2005 Test method of nitrocellulose.Nitrogen content.Devarda alloy reduction method

European Committee for Standardization (CEN), Nitrogen content test

EN 1163:1996 Feather and down - Test methods - Determination of the oil and fat content
EN ISO 10720:2007 Steel and iron - Determination of nitrogen content - Thermal conductimetric method after fusion in a current of inert gas
EN ISO 17892-1:2014/A1:2022 Geotechnical investigation and testing - Laboratory testing of soil - Part 1: Determination of water content - Amendment 1 (ISO 17892-1:2014/Amd 1:2022)
EN ISO 15351:2010 Steel and iron - Determination of nitrogen content - Thermal conductimetric method after fusion in a current of inert gas (Routine method) (ISO 15351:1999)
EN ISO 17892-1:2014 Geotechnical investigation and testing - Laboratory testing of soil - Part 1: Determination of water content (ISO 17892-1:2014)
CEN ISO/TS 17234:2003 Leather - Chemical tests - Determination of certain azo colourants in dyed leathers ISO/TS 17234:2003

CU-NC, Nitrogen content test

NC 24-65-1986 Inorganic Chemical Products Nitrogen. Determination of Water Vapor Content. Aerial Water Point Method

International Organization for Standardization (ISO), Nitrogen content test

ISO 15351:1999 Steel and iron - Determination of nitrogen content - Thermal conductimetric method after fusion in a current of inert gas (Routine method)
ISO 5983-2:2009 Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Part 2: Block digestion and steam distillation method
ISO/DTS 17234:2002 Leather - Chemical tests - Determination of certain azo colourants in dyded leathers
ISO 11113:1995 Cylinders for liquefied gases (excluding acetylene and LPG) - Inspection at time of filling
ISO 12799:2015 Nuclear energy - Determination of nitrogen content in UO2, (U,Gd)O2 and (U,Pu)O2 sintered pellets - Inert gas extraction and conductivity detection method
ISO/TS 17892-1:2004 Reconnaissance et essais géotechniques - Essais de sol au laboratoire - Partie 1: Détermination de la teneur en eau
ISO 17892-1:2014 Geotechnical investigation and testing - Laboratory testing of soil - Part 1: Determination of water content
ISO 6768:1985 Ambient air; Determination of the mass concentration of nitrogen dioxide; Modified Griess-Saltzman method

National Metrological Technical Specifications of the People's Republic of China, Nitrogen content test

JJF 1070-2005 Rules of Metrological Testing for Net Quantity of Products in Prepackages with Fixed Content
JJF 1070-2000 The Rules of Metrological Inspection for Net Content of Prepackeged Commidity with Fixed Content
JJF 1070.1-2011 Rules of Metrological Testing for Net Quantity of Soap Products in Prepackages with Fixed Content
JJF 1070.3-2021 Rules of Metrological Testing for Net Quantity of Products in Prepackages with Fixed Content—Rice
JJF 1070.2-2011 Rules of Metrological Testing for Net Quantity of Wheat Flour Products in Prepackages with Fixed Content
JJF 1785-2019 Program of Pattern Evaluation of Breath Alcohol Analyzers

IN-BIS, Nitrogen content test

IS 5960 Pt.1-1970

Malaysia Standards, Nitrogen content test

MS 880 Pt.2-1984

AENOR, Nitrogen content test

UNE 53375-1:2007 Plastics. Determination of carbon black content of polyolefins and its products. Part 1: Nitrogen atmosphere test
UNE-EN ISO 10720:2008 Steel and iron - Determination of nitrogen content - Thermal conductimetric method after fusion in a current of inert gas (ISO 10720:1997)

Professional Standard - Water Conservancy, Nitrogen content test

SL 132-1995 Method for calibration of vapor-pressure type air entrainment meter

Professional Standard - Non-ferrous Metal, Nitrogen content test

YS/T 335-2009 Metallographic determination methods of oxygen content in oxygen-free copper
YS/T 587.15-2023 Calcined coke for prebaked blocks— Part 15: Determination of total carbon,hydrogen and nitrogen contents

中华人民共和国国家卫生和计划生育委员会, Nitrogen content test

GB 12372-1990 Improved Saltzman method of the standard method for the detection of nitrogen dioxide in the atmosphere of residential areas

Danish Standards Foundation, Nitrogen content test

DS/EN ISO 10720:2007 Steel and iron - Determination of nitrogen content - Thermal conductimetric method after fusion in a current of inert gas
DS/EN ISO 15351:2010 Steel and iron - Determination of nitrogen content - Thermal conductimetric method after fusion in a current of inert gas (Routine method)
DS/EN ISO 20764:2004 Petroleum and related products - Preparation of a test portion of high-boiling liquids for the determination of water content - Nitrogen purge method

ES-AENOR, Nitrogen content test

UNE 10-080-1989

CEN - European Committee for Standardization, Nitrogen content test

EN ISO 12799:2019 Nuclear energy - Determination of nitrogen content in UO2@ (U@Gd)O2 and (U@Pu)O2 sintered pellets - Inert gas extraction and conductivity detection method

ES-UNE, Nitrogen content test

UNE-EN ISO 12799:2019 Nuclear energy - Determination of nitrogen content in UO2, (U,Gd)O2 and (U,Pu)O2 sintered pellets - Inert gas extraction and conductivity detection method (ISO 12799:2015) (Endorsed by Asociación Española de Normalización in July of 2019.)

VE-FONDONORMA, Nitrogen content test

NORVEN 22-14-1965

Hebei Provincial Standard of the People's Republic of China, Nitrogen content test

DB13/T 2768.2-2018 Graphene powder material detection method part 2: Determination of carbon, nitrogen, hydrogen, sulfur, oxygen element content

Professional Standard - Petroleum, Nitrogen content test

SY/T 6446-2013 Quality testing targets of perforating charge for oil and gas well
SY 6446-2013 Oil and gas well perforating bullet quality inspection target

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 test

GB/T 4702.17-2016 Chromium metal─Determination of oxygen, nitrogen and hydrogen content─Inert gas fusion thermal infrared detection method and conductivity method

Lithuanian Standards Office , Nitrogen content test

LST EN ISO 10720:2007 Steel and iron - Determination of nitrogen content - Thermal conductimetric method after fusion in a current of inert gas (ISO 10720:1997)

Sichuan Provincial Standard of the People's Republic of China, Nitrogen content test

DB51/T 2043-2015 Determination of Oxygen and Nitrogen Content in Vanadium Aluminum Alloy Inert Gas Fusion-Infrared Absorption Method and Thermal Conductivity Method

Professional Standard - Coal, Nitrogen content test

MT 220-1990 Specification for detection of carbon monoxide and nitrogen oxide in exhaust of flameproof diesel machines intended to be used in mines
MT/T 220-1990

Professional Standard-Ships, Nitrogen content test

CB 3328.5-1988 Inspection method for water quality of discharge water from ship sewage treatment——Examination method for oil content in water
CB* 3328.5-1988 Method for inspecting quality of water discharged from treatment of vessel sewage. Method of test for oil content in water

Tianjin Provincial Standard of the People's Republic of China, Nitrogen content test

DB12/ 402-2008 Estimation and Inspection of Blood Alcohol Content of Vehicle Personnel

能源部, Nitrogen content test

SY 5515-1992 Quality Inspection of Charged Perforating Charges in Oil and Gas Wells