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Determination method of total nitrogen

Determination method of total nitrogen, Total:499 items.

In the international standard classification, Determination method of total nitrogen involves: Ferroalloys, Farming and forestry, Non-ferrous metals, Analytical chemistry, Coals, External water conveyance systems, Water quality, Soil quality. Pedology, Fertilizers, Ferrous metals, Animal feeding stuffs, Milk and milk products, Iron and steel products, Leather technology, Metrology and measurement in general, Air quality, General methods of tests and analysis for food products, Organic chemicals, Meat, meat products and other animal produce, Crude petroleum, Petroleum products in general, Fuels, Lubricants, industrial oils and related products, Wastes, Products of the chemical industry, Beverages, Tobacco, tobacco products and related equipment, Materials for aerospace construction, Tea. Coffee. Cocoa, Heat treatment, Shipbuilding and marine structures in general, Rubber and plastics products, Sugar. Sugar products. Starch, Testing of metals, Products of non-ferrous metals, Products of the textile industry, Inorganic chemicals, Construction materials, Vocabularies, Edible oils and fats. Oilseeds, Bearings, Linear and angular measurements, Spices and condiments. Food additives, Textile fibres, Powder metallurgy, Photography, Refractories, Cereals, pulses and derived products, Ceramics, Explosion protection, Cutting tools.


IN-BIS, Determination method of total nitrogen

工业和信息化部, Determination method of total nitrogen

  • 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
  • YS/T 1467.10-2021 Hafnium Chemical Analysis Methods Part 10: Determination of Oxygen and Nitrogen Amounts
  • YB/T 4528-2016 Determination of nitrogen content in ferrochromium nitride and high nitrogen ferrochrome by inert gas melting thermal conductivity method
  • 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 4582.1-2017 Determination of calcium iron silicon nitride content EDTA titration method
  • YB/T 4582.5-2017 Determination of ferrosilicon aluminum nitride content EDTA titration method

Liaoning Provincial Standard of the People's Republic of China, Determination method of total nitrogen

Japanese Industrial Standards Committee (JISC), Determination method of total nitrogen

  • JIS H 1685:2000 Method for determination of nitrogen in tantalum
  • 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 H 1653:1991 Methods for determination of nitrogen in zirconium and zirconium alloys
  • JIS H 1612:1993 Methods for determination of nitrogen in titanium and titanium alloys
  • JIS K 0104:2000 Methods for determination of nitrogen oxides in flue gas
  • JIS K 2609:1990 Crude petroleum and petroleum products -- Determination of nitrogen content
  • JIS G 1228 AMD 1:2006 Iron and steel -- Methods for determination of nitrogen content (Amendment 1)
  • 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 K 0400-44-40:2000 Water quality -- Determination of Kjeldahl nitrogen -- Method after mineralization with selenium
  • JIS R 1640:2002 Methods for the quantitative phase analysis of silicon nitride
  • JIS L 1940-3:2014 Textiles.Methods for determination of certain aromatic amines derived from azo colorants.Part 3: Detection of the use of certain azo colorants, which may release 4-aminoazobenzene
  • JIS L 1940-3:2019 Textiles -- Methods for determination of certain aromatic amines derived from azo colorants -- Part 3: Detection of the use of certain azo colorants, which may release 4-aminoazobenzene
  • JIS G 0562:1993 Method of measuring nitrided case depth for iron and steel
  • JIS K 0227:1984 Analytical method for trace nitrogen oxides in diluent gas and zero gas
  • JIS G 0563:1993 Method of measuring surface hardness for nitrided iron and steel
  • JIS G 1311-7:2012 Method for chemical analysis of ferromanganese -- Part 7: Determination of nitrogen content
  • JIS G 1313-6:2012 Method for chemical analysis of ferrochromium .Part 6: Determination of nitrogen content
  • JIS K 6558-6:2016 Leather -- Determination of nitrogen content and "hide substance" -- Titrimetric method

Korean Agency for Technology and Standards (KATS), Determination method of total nitrogen

  • KS D 2555-1995 Methods for determination of nitrogen in tantalum
  • KS D 2555-2015 Methods for determination of nitrogen in tantalum
  • KS D 1811-1993 Methods for determination of nitrogen in iron and steel
  • KS D 2555-2020 Determination of nitrogen in tantalum
  • KS D 1811-2003(2018) Methods for determination of nitrogen in iron and steel
  • KS D 1811-2003 Methods for determination of nitrogen in iron and steel
  • 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 D 0274-1993 Method of measuring nitrided case depth for iron and stee1
  • KS D 2530-2016 Methods for determination of nitrogen in titanium and titanium alloys
  • KS D 2573-1995 Methods for determination of nitrogen in zirconium and zirconium alloys
  • KS D 2573-2015 Methods for determination of nitrogen in zirconium and zirconium alloys
  • KS D 2573-2015(2020) Methods for determination of nitrogen in zirconium and zirconium alloys
  • KS D 2530-2021 Methods for determination of nitrogen in titanium and titanium alloys
  • KS E ISO 333-2003(2013) Coal-Determination of nitrogen-Semi-micro Kjeldahl method
  • KS E ISO 333:2003 Coal-Determination of nitrogen-Semi-micro Kjeldahl method
  • KS H ISO 1871-2013(2018) Agricultural food products ― General directions for the determination of nitrogen by the Kjeldahl method
  • KS I ISO 11261:2008 Soil quality-Determination of total nitrogen-Modified Kjeldahl method
  • KS D 0275-1993 Method of measuring surface hardness for nitrided iron and stee1
  • KS I ISO 11261-2008(2018) Soil quality-Determination of total nitrogen-Modified Kjeldahl method
  • KS I ISO 11261-2008(2021) Soil quality-Determination of total nitrogen-Modified Kjeldahl method
  • KS M ISO 4176-2006(2011) Fertilizers-Determination of nitrate nitrogen content-Nitron gravimetric method
  • KS I ISO 13878-2009(2019) Soil quality-Determination of total nitrogen content by dry combustion(“elemental analysis”)
  • KS M ISO 6851-2002(2017) Photography-Processing waste-Determination of total amino nitrogen-Microdiffusion Kjeldahl method
  • KS I ISO 11905-2-2008(2013) Water quality-Determination of nitrogen-Part 2:Determination of bound nitrogen, after combustion and oxidation to nitrogen dioxide, using chemiluminescence detection
  • KS M 2112-2011 Crude petroleum and petroleum products-Determination of nitrogen content
  • KS D 2573-2005 Methods for determination of nitrogen in zirconium and zirconium alloys
  • KS D ISO 10702:2002 Steel and iron-Determination of nitrogen content-Titrimetric method after distillation
  • KS M ISO 5315-2007(2012) Fertilizers-Determination of total nitrogen content-Titrimetric method after distillation
  • KS D ISO 4945:2002 Steel-Determination of nitrogen content-Spectrophotometric method
  • KS M ISO 6851:2002 Photography-Processing waste-Determination of total amino nitrogen-Microdiffusion Kjeldahl method
  • KS I ISO 11905-2:2008 Water quality-Determination of nitrogen-Part 2:Determination of bound nitrogen, after combustion and oxidation to nitrogen dioxide, using chemiluminescence detection
  • KS M ISO 5315:2007 Fertilizers-Determination of total nitrogen content-Titrimetric method after distillation
  • KS M ISO 5314:2007 Fertilizers-Determination of ammoniacal nitrogen content-Titrimetric method after distillation
  • KS M ISO 5314:2013 Fertilizers-Determination of ammoniacal nitrogen content-Titrimetric method after distillation
  • KS M ISO 5315:2013 Fertilizers-Determination of total nitrogen content-Titrimetric method after distillation
  • KS M ISO 5314-2007(2012) Fertilizers-Determination of ammoniacal nitrogen content-Titrimetric method after distillation
  • KS M 1922-2002(2007) Urea for industrial use-Determination of nitrogen content-Titrimetric method after distillation
  • KS I ISO 5663-2007(2017) Water quality-Determination of Kjeldahl nitrogen-Method after mineralization with selenuium
  • KS D ISO 4945-2002(2017) Steel-Determination of nitrogen content-Spectrophotometric method
  • KS D 0274-1993(2018)
  • KS I ISO 6768-2014(2019) Ambient air — Determination of mass concentration of nitrogen dioxide(Modified Griess-Saltzman method)
  • KS M ISO 5397:2002 Leather-Determination of nitrogen content and “hide substance”-Titrimetric method

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, Determination method of total nitrogen

  • GB/T 19227-2008 Determination of nitrogen in coal
  • GB/T 2441.1-2001 Determination of urea-Determination of total nitrogen content
  • GB/T 608-1988 Chemical reagent--General method for the determination of nitrogen
  • GB/T 30728-2014 Determination of nitrogen in solid biofuels
  • GB/T 24583.3-2009 Vanadium-Nitrogen alloy.Determination of nitrogen content.The distillation-neutralization titration method
  • GB/T 15076.13-1994 Methods for chemical analysis of tantalum and niobium-Determination of nitrogen content in tantalum
  • GB/T 13598-1992 A method for the determination of agricultural chemical residues containing nitrogenous in tobacco leaves
  • GB/T 2441.1-2008 Determination of urea.Part 1:Total nitrogen content
  • GB/T 19227-2003 Determination of nitrogen in coal and coke semi-micro gasification 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 5687.4-1985 Methods for chemical analysis of ferro-chromium--The neutralization titration method for the determination of nitrogen content
  • GB/T 609-1988 Chemical reagent--General method for the determination of total nitrogen
  • GB/T 609-2006 Chemical reagent General method for the determination of total nitrogen
  • GB/T 609-2018 Chemical reagent.General method for the determination of total nitrogen
  • GB/T 12143.2-1989 Determination method for amino nitrogen content in fruit and vegetable juice beverages--Formol number
  • GB/T 3597-2002 Fertilizer--Determination of nitrate nitrogen content--Nitron gravimetric method
  • GB/T 12091-1989 Method for determination of nitrogen content in starches and derived products
  • GB/T 30733-2014 Determination of total carbon, hydrogen and nitrogen content in coal.Instrumental method
  • GB 12143.2-12143.3-89 Determination method for amino nitrogen content in fruit and vegetable juice beverages-Formol number Determination method for L-ascorbic acid in fruit and vegetable juice beverages-Ethyl ether extract
  • 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 9823-1988 Method for determination of total nitrogen content in oilseed residues
  • GB/T 20931.9-2007 Methods for chemical analysis of lithium Determination of nitrogen content Mercuric potassium iodide spectrophotometric method
  • 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 214-1996 Determination of total sulfur in coal
  • GB/T 214-2007 Determination of total sulfur in coal
  • GB/T 4325.26-1984 Methods for chemical analysis of molybdenum--The nessler reagent photometric method for the determination of nitrogen content
  • GB/T 4324.26-1984 Methods for chemical analysis of tungsten--The Nessler reagent photometric method for the determination of nitrogen content
  • GB/T 18856.12-2002 Test methods for quality of coal water mixture--Part 12: Determination of nitrogen of coal water mixture
  • GB/T 6609.35-2023 Methods of chemical analysis and determination of physical properties of alumina Part 35: Determination of specific surface area Nitrogen adsorption method
  • GB/T 6609.35-2009 Chemical analysis methods and determination of physical performance of alumina-Part 35: Determination of specific surface area by nitrogen adsorption
  • GB/T 20931.4-2007 Methods for chemical analysis of lithium Determination of iron content Orthopenanthroline spectrophotometric method
  • GB/T 15435-1995 Ambient air--Determination of nitrogen dioxide--Saltzman method
  • GB/T 15436-1995 Ambient air--Determination of nitrogen oxides--Saltzman method
  • GB/T 23952-2009 Inorganic chemicals for industrial use.General method for the determination of total nitrogen content.Distillation-acid-base titrations method
  • GB/T 14422-2008 Analysis of water used in boiler and cooling systems.Determination of benzotriazole
  • GB/T 211-1996 Determination of total moisture in coal
  • GB/T 211-2007 Determination of total moisture in coal
  • GB/T 211-2017 Determination of total moisture in coal
  • GB/T 4324.6-1984 Methods for chemical analysis of tungsten--The ortho-phenanthroline photometric method for the determination of iron content
  • GB/T 4325.6-1984 Methods for chemical analysis of molybdenum--The ortho-phenanthroline photometric method for the determination of iron content
  • GB/T 4325.15-1984 Methods for chemical analysis of molybdenum--The chlorophosphonazo 1 photometric method for the determination of magnesium content
  • GB/T 4324.15-1984 Methods for chemical analysis of tungsten--The chlorophosphonazo I photometric method for the determination of magnesium content
  • GB/T 10505.3-1989 Determination of static absorbed ethene and nitrogen for molecular sieve 3A
  • GB 10505.3-1989 3A Molecular Sieve Static Ethylene and Nitrogen Adsorption Determination Method

Indonesia Standards, Determination method of total nitrogen

Professional Standard - Agriculture, Determination method of total nitrogen

  • NY/T 2419-2013 Determination of total nitrogen in plant.Automatic kjeldahl apparatus method
  • NY/T 1121.24-2012 Soil testing.Part 24:Determination of total nitrogen in soil.Automatic kjeldahl apparatus method
  • ZB X 66026-1987 Total Nitrogen and Crude Protein Determination
  • NY/T 297-1995 Determination of Total Nitrogen in Organic Fertilizers
  • NY/T 53-1987 Method for the determination of soil total nitrogen(Semi-micro Kjeldahl method)
  • GB 7173-1987 Determination of total nitrogen in soil (semi-micro Kelvin method)
  • GB 608-1988 General method for chemical reagent nitrogen determination
  • GB 609-1988 General method for the determination of total nitrogen content of chemical reagents
  • GB 3597-1983 Determination of nitrate nitrogen content in fertilizers Nitrogen reagent gravimetric method
  • GB 13025.10-1991 Determination of Ferrous Potassium Nitride General Test Method for Salt Industry

CZ-CSN, Determination method of total nitrogen

RU-GOST R, Determination method of total nitrogen

  • GOST 13020.7-1985 Metallic chrome. Methods for determination of nitrogen
  • GOST 9853.1-1979 Sponge titanium. Method for the determination of nitrogen
  • GOST 33045-2014 Water. Methods for determination of nitrogen-containing matters
  • GOST 14338.4-1982 Molybdenum. Methods for determination of nitrogen, oxygen and hydrogen
  • GOST 14339.4-1982 Tungsten. Methods for the determination of nitrogen, oxygen, hydrogen
  • GOST 10671.4-2016 Reagents. Methods for determination of total nitrogen impurity
  • GOST 24596.3-2015 Feed phosphates. Method for determination of nitrogen
  • GOST 27753.8-1988 Greenhouse grounds method for determination of ammonium nitrogen
  • GOST 20851.1-1975 Mineral fertilizers. Methods for determination of nitrogen content
  • 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 938.7-1968 Leather. Method of determination of nitrogen content
  • GOST 27753.7-1988 Greenhouse grounds methods for determination of nitrate nitrogen
  • GOST R 55479-2013 Meat and meat products. Method for determination of amino-ammonia nitrogen
  • GOST 16698.13-1993 Metallic manganese and nitrated manganese. Method for determination of nitrogen
  • GOST 16698.13-1984 Metallic manganese. Method for determination of nitrogen
  • 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 10671.4-1974 Reagents. Methods for determination of nitrogen compaunds impurity general content
  • GOST 4192-1982 Drinking water. Methods for determination of mineral nitrogen-containing matters
  • GOST R 50453-1992 Meat and meat products. Determination of nitrogen content (Reference method)
  • GOST R 54234-2010 Solid recovered fuels. Determination of carbon, hydrogen and nitrogen content by instrument methods
  • GOST ISO 12359-1999 Cabon, alloyed and high-alloyed steels. Methods for determination of nitrogen
  • GOST 24596.3-1981 Feed phosphates. Methods for determination of nitrogen
  • 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 32979-2014 Solid mineral fuel. Instrumental method for determination of carbon, hydrogen and nitrogen
  • GOST 26107-1984 Soils. Methods for determination of total nitrogen
  • GOST R ISO 17234-1-2010 Leather. Methods of determination of certain azo colorants in dyed leathers. Part 1. Determination of certain aromatic amines derived from azo colorants
  • GOST 30181.8-1994 Mineral fertilizers. Method for determination of mass fraction of ammonium nitrogen in compound fertilizers (chloramine method)
  • GOST R ISO 17234-2-2015 Leather. Chemical tests for the determination of certain azo colorants in dyed leathers. Part 2. Method for determination of 4-aminoazobenzene
  • GOST R 50706.2-1994 Nitric acid for industrial use. Determination of nitrous compounds. Titrimetric method
  • GOST 30181.4-1994 Mineral fertilizers. Method for determination of total mass fraction of nitrogen in compound fertilizers and nitrale fertilizers in ammonium and nitrate forms (Deward Method)
  • GOST 32985-2014 Solid biofuels. Determination of carbon, hydrogen and nitrogen by instrumental methods
  • GOST R 54216-2010 Solid biofuels. Determination of total content of carbon, hydrogen and nitrogen by instrumental methods
  • 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)
  • GOST R 50568.1-1993 Urea for industrial use. Determination of nitrogen content. Titrimetric method after distillation

GOSTR, Determination method of total nitrogen

KR-KS, Determination method of total nitrogen

Jilin Provincial Standard of the People's Republic of China, Determination method of total nitrogen

  • DB22/T 1932-2013 Determination method of total nitrogen content in peat (Kjeldahl method)
  • DB22/T 2270-2018 Determination of Ammonium Nitrogen and Nitrate Nitrogen in Farmland Soil by Flow Injection Analysis
  • DB22/T 2270-2015 Determination of Ammonium Nitrogen and Nitrate Nitrogen in Farmland Soil by Flow Injection Analysis

Professional Standard - Environmental Protection, Determination method of total nitrogen

  • HJ 717-2014 Soil quality.Determination of total nitrogen.Modified Kjeldahl method
  • HJ 537-2009 Water quality.Determination of ammonia nitrogen.Distillation-neutralization titration
  • HJ/T 64.3-2001 stationary source emission.Determination of cadmium.p-Azobenzenediazoaminazobenzene sulfonic acid spectrophotometric method

PH-BPS, Determination method of total nitrogen

  • PTS 86-1970 Method of Test for the Determination of Armoniacal Nitrogen
  • PTS 98-1970 Standardization of the Method of Test for the Determination of Total Nitrogen Content.Devarda Method
  • PTS 83-1970 Method of Test for the Determination of Nitrogen Content of Nitrate-Free Fertilizers

British Standards Institution (BSI), Determination method of total nitrogen

  • BS 5551-4.1.3:1986 Fertilizers. Chemical analysis. Determination of nitrogen. Method for determination of total nitrogen content (titrimetric method after distillation)
  • BS 7755-3.7:1995 Soil quality. Chemical methods. Determination of total nitrogen. Modified Kjeldahl method
  • BS 5551 SubSec.4.1.3:1986 Fertilizers. Chemical analysis. Determination of nitrogen. Method for determination of total nitrogen content (titrimetric method after distillation)
  • BS 5551-4.1.2:1982 Fertilizers. Chemical analysis. Determination of nitrogen. Determination of ammoniacal nitrogen, titrimetric method after distillation
  • BS EN 25663:1993 Water quality. Determination of Kjeldahl nitrogen. Method after mineralization with selenium
  • BS 4401-2:1980 Methods of test for meat and meat products. Determination of nitrogen content (reference method)
  • BS 5551 SubSec.4.1.5:1993 Fertilizers. Chemical analysis. Determination of nitrogen. Method for determination of urea nitrogen content (gravimetric method using xanthydrol)
  • 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 EN 15559:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Arnd
  • BS ISO 937:2023 Meat and meat products. Determination of nitrogen content. Reference method
  • BS ISO 17997-2:2005 Milk - Determination of casein-nitrogen content - Direct method
  • BS DD CEN/TS 15750:2009 Fertilizers - Determination of different forms of nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
  • BS 5551-4.1.4:1984 Fertilizers. Chemical analysis. Determination of nitrogen. Method for determination of ammoniacal nitrogen content in the presence of other substances which release ammonia when treated with sodium hydroxide (titrimetric method)
  • BS ISO 17997-1:2005 Milk - Determination of casein-nitrogen content - Indirect method (Reference method)
  • BS ISO 6851:2001 Photography. Processing waste. Determination of total amino nitrogen (microdiffusion Kjeldahl method)
  • DD ENV 12260-1996 Water quality. Determination of nitrogen. Determination of bound nitrogen, after combustion and oxidation to nitrogen dioxide, using chemiluminescence detection
  • BS 4267-2:1988 Ammonium nitrate - Method for determination of total 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 EN ISO 4945:2010 Steel. Determination of nitrogen content. Spectrophotometric method
  • BS EN ISO 4945:2009 Steel - Determination of nitrogen content - Spectrophotometric method
  • DD CEN/TS 15407:2006 Solid recovered fuels — Method for the determination of carbon (C), hydrogen (H) and nitrogen (N) content
  • 22/30444436 DC BS ISO 937. Meat and meat products. Determination of nitrogen content. Reference method
  • BS EN 16339:2013 Ambient air. Method for the determination of the concentration of nitrogen dioxide by diffusive sampling
  • BS DD CEN/TS 15407:2006 Solid recovered fuels - Method for the determination of carbon (C), hydrogen (H) and nitrogen (N) content
  • BS 4267-1:1988 Ammonium nitrate - Method for determination of ammoniacal nitrogen content
  • BS EN ISO 14362-3:2017 Textiles. Methods for determination of certain aromatic amines derived from azo colorants. Detection of the use of certain azo colorants, which may release 4-aminoazobenzene
  • BS EN 14362-3:2012 Textiles. Methods for determination of certain aromatic amines derived from azo colorants. Detection of the use of certain azo colorants, which may release 4-aminoazobenzene
  • BS EN ISO 11732:2005 Water quality. Determination of ammonium nitrogen. Method by flow analysis (CFA and FIA) and spectrometric detection
  • BS ISO 22863-10:2021 Fireworks. Test methods for determination of specific chemical substances. Nitrogen content in nitrocellulose by iron(II) sulfate titration
  • BS 6068-2.40:1991 Water quality. Physical, chemical and biochemical methods. Method for the determination of borate by spectrometry using azomethine-H
  • BS DD CEN/TS 15104:2006 Solid biofuels - Determination of total content of carbon, hydrogen and nitrogen - Instrumental methods
  • BS DD CEN/TS 15104:2005 Solid biofuels — Determination of total content of carbon, hydrogen and nitrogen — Instrumental methods
  • BS EN 14362-1:2003 Textiles - Methods for the determination of certain aromatic amines derived from azo colorants - Detection of the use of certain azo colorants accessible without extraction
  • BS EN ISO 21663:2020 Solid recovered fuels. Methods for the determination of carbon (C), hydrogen (H), nitrogen (N) and sulphur (S) by the instrumental method
  • BS EN ISO 8968-4:2016 Milk and milk products. Determination of nitrogen content. Determination of protein and non-protein nitrogen content and true protein content calculation (Reference method)
  • BS EN 14362-1:2012 Textiles. Methods for determination of certain aromatic amines derived from azo colorants. Detection of the use of certain azo colorants accessible with and without extracting the fibres
  • BS EN ISO 14362-1:2017 Textiles. Methods for determination of certain aromatic amines derived from azo colorants. Detection of the use of certain azo colorants accessible with and without extracting the fibres

BE-NBN, Determination method of total nitrogen

  • NBN T 91-255-1976 Water analysis methods - Determination of the ammoniacal and organic nitrogen - (Kjeldahl nitrogen)
  • NBN T 04-301-1983 Urea for industrial use - Determination of nitrogen content - Titrimetric raethod after distillation
  • NBN T 04-304-1983 Urea for indus trial use - Determination of iron content-2,2'-Bipyridyl photometric method
  • NBN T 91-257-1977 Water analysis methods - Determination of the nitrite nitrogen - Photoraetric 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
  • NBN T 91-256-1977 Water analysis methods - Determination of the nitrate nitrogen -Photometric method with chromotropic acid
  • NBN T 91-253-1976 Water analysis methods - Determination of the albuminoid nitrogen
  • NBN V 21-003-1987 Milk - Determination of nitrogen content - Kjeldahl method
  • NBN T 91-254-1976 Water analysis methods - Determination of the ammoniacal nitrogen -Direct photometric methodwith sodium phenate

American Society for Testing and Materials (ASTM), Determination method of total nitrogen

  • ASTM E147-61(2017) Standard Specification for Apparatus for Microdetermination of Nitrogen by Kjeldahl Method
  • ASTM E258-67(2002) Standard Test Method for Total Nitrogen in Organic Materials by Modified Kjeldahl Method
  • ASTM D3228-22 Standard Test Method for Total Nitrogen in Lubricating Oils and Fuel Oils by Modified Kjeldahl Method
  • ASTM D3590-11 Standard Test Methods for Total Kjeldahl Nitrogen in Water
  • ASTM D3590-02 Standard Test Methods for Total Kjeldahl Nitrogen in Water
  • ASTM D3590-17 Standard Test Methods for Total Kjeldahl Nitrogen in Water
  • ASTM C1494-01 Standard Test Methods for Determination of Mass Fraction of Carbon, Nitrogen, and Oxygen in Silicon Nitride Powder
  • ASTM D5475-93(1997) Standard Test Method for Nitrogen- and Phosphorus-Containing Pesticides in Water by Gas Chromatography with a Nitrogen-Phosphorus Detector
  • ASTM D8001-16e1 Standard Test Method for Determination of Total Nitrogen, Total Kjeldahl Nitrogen by Calculation, and Total Phosphorus in Water, Wastewater by Ion Chromatography
  • ASTM D8001-16 Standard Test Method for Determination of Total Nitrogen, Total Kjeldahl Nitrogen by Calculation, and Total Phosphorus in Water, Wastewater by Ion Chromatography
  • ASTM C1494-13(2018) Standard Test Methods for Determination of Mass Fraction of Carbon, Nitrogen, and Oxygen in Silicon Nitride Powder
  • ASTM D1426-98 Standard Test Methods for Ammonia Nitrogen In Water
  • ASTM D6016-17(2023) Standard Test Method for Determination of Nitrogen, Water Extractable in Leather
  • ASTM D6016-06(2012) Standard Test Method for Determination of Nitrogen, Water Extractable in Leather
  • ASTM D6016-17 Standard Test Method for Determination of Nitrogen, Water Extractable in Leather
  • ASTM D4954-89(2003) Standard Test Method for Determination of Nitrilotriacetates in Detergents
  • ASTM D1426-03 Standard Test Methods for Ammonia Nitrogen In Water
  • ASTM D5475-93(2002) Standard Test Method for Nitrogen- and Phosphorus-Containing Pesticides in Water by Gas Chromatography with a Nitrogen-Phosphorus Detector
  • 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 D6016-06 Standard Test Method for Determination of Nitrogen, Water Extractable in Leather
  • ASTM B966-10 Standard Test Method for Permeability of Powder Metallurgy (PM) Bearings Using Nitrogen Gas
  • ASTM B923-10 Standard Test Method for Metal Powder Skeletal Density by Helium or Nitrogen Pycnometry
  • ASTM D6556-00a Standard Test Method for Carbon Black8212;Total and External Surface Area by Nitrogen Adsorption
  • ASTM D6556-01a Standard Test Method for Carbon Black8212;Total and External Surface Area by Nitrogen Adsorption
  • ASTM D6556-01 Standard Test Method for Carbon Black8212;Total and External Surface Area by Nitrogen Adsorption
  • ASTM E258-67(1996)e1 Standard Test Method for Total Nitrogen in Organic Materials by Modified Kjeldahl Method
  • ASTM C1069-86(2004)e1 Standard Test Method for Specific Surface Area of Alumina or Quartz by Nitrogen Adsorption
  • ASTM D6556-10 Standard Test Method for Carbon Black-Total and External Surface Area by Nitrogen Adsorption
  • ASTM D6556-04 Standard Test Method for Carbon Black-Total and External Surface Area by Nitrogen Adsorption
  • ASTM D5373-08 Standard Test Methods for Instrumental Determination of Carbon, Hydrogen, and Nitrogen in Laboratory Samples of Coal
  • ASTM D4954-89(2009) Standard Test Method for Determination of Nitrilotriacetates in Detergents
  • ASTM D6556-07 Standard Test Method for Carbon Black-Total and External Surface Area by Nitrogen Adsorption
  • ASTM B923-20 Standard Test Method for Metal Powder Skeletal Density by Helium or Nitrogen Pycnometry
  • ASTM B923-21 Standard Test Method for Metal Powder Skeletal Density by Helium or Nitrogen Pycnometry
  • ASTM D6556-17 Standard Test Method for Carbon Black&x2014;Total and External Surface Area by Nitrogen Adsorption

International Organization for Standardization (ISO), Determination method of total nitrogen

  • ISO 332:1981 Coal — Determination of nitrogen — Macro Kjeldahl method
  • ISO 332:1974 Title missing - Legacy paper document
  • ISO 333:1983 Coal; Determination of nitrogen; Semi-micro Kjeldahl method
  • ISO 11261:1995 Soil quality - Determination of total nitrogen - Modified Kjeldahl method
  • ISO 8968-1:2001 Lait - Détermination de la teneur en azote - Partie 1: Méthode Kjeldahl (Deuxième édition)
  • ISO 8968-1:2001|IDF 20-1:2001 Determination of milk nitrogen content Part 1: Kjeldahl method
  • ISO 8968-1:2001 | IDF 20-1: 2001 Milk — Determination of nitrogen content — Part 1: Kjeldahl method
  • ISO/FDIS 937 Meat and meat products — Determination of nitrogen content — Reference method
  • ISO/DIS 937 Meat and meat products — Determination of nitrogen content — Reference method
  • ISO 937:2023 Meat and meat products — Determination of nitrogen content — Reference method
  • ISO 333:1996 Coal - Determination of nitrogen - Semi-micro Kjeldahl method
  • ISO 1871:2009 Food and feed products - General guidelines for the determination of nitrogen by the Kjeldahl method
  • ISO 4945:1977 Steel; Determination of nitrogen content; Spectrophotometric method
  • ISO 4945:2018 Steel - Determination of nitrogen - Spectrophotometric method
  • ISO 15351:1999 Steel and iron - Determination of nitrogen content - Thermal conductimetric method after fusion in a current of inert gas (Routine method)
  • ISO 24362-3:2014 Textiles - Methods for determination of certain aromatic amines derived from azo colorants - Part 3: Detection of the use of certain azo colorants, which may release 4-aminoazobenzene
  • ISO/TR 11905-2:1997 Water quality - Determination of nitrogen - Part 2: Determination of bound nitrogen, after combustion and oxidation to nitrogen dioxide, using chemiluminescence detection
  • ISO 10702:1993 Steel and iron; determination of nitrogen content; titrimetric method after distillation
  • ISO 5314:1981 Fertilizers; Determination of ammoniacal nitrogen content; Titrimetric method after distillation
  • ISO 5315:1984 Fertilizers; Determination of total nitrogen content; Titrimetric method after distillation
  • ISO 5397:1984 | IULTCS/IUC 10 Leather — Determination of nitrogen content and "hide substance" — Titrimetric method
  • ISO 4652:1981 Rubber compounding ingredients; Carbon black; Determination of specific surface area; Nitrogen adsorption methods
  • ISO 21663:2020 Solid recovered fuels - Methods for the determination of carbon (C), hydrogen (H), nitrogen (N) and sulphur (S) by the instrumental method

Group Standards of the People's Republic of China, Determination method of total nitrogen

  • T/QAS 071-2021 Determination of total nitrogen in brine Kjeldahl method
  • T/CMA 031-2021 Calibration method for basic nitrogen meters
  • T/NAIA 044-2021 Urine Total Nitrogen Determination in Livestock Kjeldahl Method
  • T/NAIA 001-2020 Determination of ammoniacal nitrogen in fermented feed Kjeldahl method
  • T/CNTAC 20-2018 Textile—Rapid determination method of the banned azo colorants
  • T/CMES 01011-2023 Determination method for content of nitrogen, sulfur and phosphorus in recycled sand for foundry
  • T/QAS 046-2021 Determination of total iron, ferrous iron and ferric iron in brine by phenanthroline spectrophotometric method
  • T/NAIA 060-2021 Determination of true protein in feed Kjeldahl method
  • T/NAIA 0169-2022 Water Quality Determination of Ammonia Nitrogen by Ion Chromatography
  • T/NAIA 0139-2022 Diesel engine nitrogen oxide reducing agent urea aqueous solution (AUS 32) Determination of urea content Automatic Kjeldahl method

German Institute for Standardization, Determination method of total nitrogen

  • DIN EN 15750:2010-02 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods; German version EN 15750:2009
  • 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 EN 12135:1997-12 Fruit and vegetable juices - Determination of nitrogen content - Kjeldahl method; German version EN 12135:1997
  • DIN 51722-1:1990-07 Testing of solid fuels; determination of nitrogen content; semi-micro Kjeldahl method
  • DIN EN 25663:1993-11 Water quality; determination of Kjeldahl nitrogen; method after mineralization with selenium (ISO 5663:1984); German version EN 25663:1993
  • DIN EN ISO 4945:2019-03 Steel - Determination of nitrogen - Spectrophotometric method (ISO 4945:2018); German version EN ISO 4945:2018
  • 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 25663:1993 Water quality; determination of Kjeldahl nitrogen; method after mineralization with selenium (ISO 5663:1984); German version EN 25663:1993
  • DIN 51732:2014-07 Testing of solid mineral fuels - Determination of total carbon, hydrogen and nitrogen - Instrumental methods
  • DIN EN ISO 4945:2010 Steel - Determination of nitrogen content - Spectrophotometric method (ISO 4945:1977); German version EN ISO 4945:2009
  • DIN EN 10179:2023-07 Steels - Determination of nitrogen (trace amounts) - Spectrophotometric method; German and English version prEN 10179:2023 / Note: Date of issue 2023-05-26*Intended as replacement for DIN EN 10179 (1990-04).
  • DIN EN 16339:2013-11 Ambient air - Method for the determination of the concentration of nitrogen dioxide by diffusive sampling; German version EN 16339:2013
  • DIN EN ISO 20483:2014-03 Cereals and pulses - Determination of the nitrogen content and calculation of the crude protein content - Kjeldahl method (ISO 20483:2013); German version EN ISO 20483:2013
  • DIN EN ISO 4945:2019 Steel - Determination of nitrogen - Spectrophotometric method (ISO 4945:2018)
  • DIN EN 15750:2010 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods; German version EN 15750:2009
  • DIN EN 13654-1:2002-01 Soil improvers and growing media - Determination of nitrogen - Part 1: Modified Kjeldahl method; German version EN 13654-1:2001
  • DIN EN ISO 21663:2021-03 Solid recovered fuels - Methods for the determination of carbon (C), hydrogen (H), nitrogen (N) and sulphur (S) by the instrumental method (ISO 21663:2020); German version EN ISO 21663:2020

Professional Standard - Forestry, Determination method of total nitrogen

  • LY/T 1228-1999 Determination of total nitrogen in forest soil
  • LY/T 1269-1999 Determination of total nitrogen in forest plant and forest floor

Association Francaise de Normalisation, Determination method of total nitrogen

  • NF V04-211:1971 MILK. DETERMINATION OF TOTAL NITROGEN CONTENT. (KJELDAHL METHOD).
  • NF U42-141:1984 Fertilizers. Determination of nitrate nitrogen content. Nitrogen gravimetric method.
  • NF A06-555:2010 Steel - Determination of nitrogen content - Spectrophotometric method.
  • NF EN 15750:2010 Engrais - Détermination de la teneur en azote total des engrais ne contenant l'azote que sous forme nitrique, ammoniacale et uréique, selon deux méthodes différentes
  • 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 X31-111*NF ISO 11261:1995 Soil quality. Determination of total nitrogen. Modified kjeldahl method.
  • NF A06-555*NF EN ISO 4945:2018 Steel - Determination of nitrogen - Spectrophotometric method
  • NF U42-100:1965 Products used in agriculture. Nitrogenous fertilizers. Quantity determination of various forms of nitrogen. General presentation.
  • NF U42-151:1984 Fertilizers. Determination of total nitrogen content. Titrimetric method after distillation.
  • NF ISO 1871:2009 Produits alimentaires et aliments des animaux - Lignes directrices générales pour le dosage de l'azote selon la méthode de Kjeldahl
  • 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 X43-028*NF EN 16339:2013 Ambient air - Method for the determination of the concentration of nitrogen dioxide by diffusive sampling
  • NF X34-220:2011 Solid recovered fuels - Methods for the determination of carbon (C), hydrogen (H) and nitrogen (N) content.
  • NF EN ISO 20483:2014 Céréales et légumineuses - Détermination de la teneur en azote et calcul de la teneur en protéines brutes - Méthode de Kjeldahl
  • NF EN ISO 14362-3:2017 Textiles - Méthodes de détermination de certaines amines aromatiques dérivées de colorants azoïques - Partie 3 : détection de l'utilisation de certains colorants azoïques susceptibles de libérer du 4-aminoazobenzène
  • NF A06-324*NF ISO 10702:1996 Steel and iron. Determination of nitrogen content. Titrimetric method after distillation.

VN-TCVN, Determination method of total nitrogen

  • TCVN 5255-2009 Soil quality.Method for the determination of bio-available nitrogen
  • TCVN 3706-1990 Aquatic products.Method for the determination of nitrogen ammonia content
  • TCVN 6498-1999 Soil quality.Determination of total nitrogen.Modifierd Kejldahl method
  • TCVN 3707-1990 Aquatic products.Method for the determination of amine ammonia nitrogen content
  • TCVN 305-2010 Steel and iron.Determination of nitrongen content.Methods of chemical analysis.
  • TCVN 3708-1990 Aquatic products.Method for the determination of nitrogen amino acid content
  • TCVN 6624-2-2000 Water quality.Determination of nitrogen.Part 1: Determination of bound nitrogen, after combustion and oxidation to nitrogen dioxide, using chemiluminescence detection
  • TCVN 3705-1990 Aquatic products.Method for the determination of total nitrogen and protein content
  • TCVN 1545-1993 Animal mixed feeding stuffs.Method for determination of nitrogen-free extract
  • TCVN 3756-1983 Natural gas.Method for the determination of oxygen, nitrogen and methane by gas chromatography

Danish Standards Foundation, Determination method of total nitrogen

  • DS/EN 15750:2010 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
  • DS/EN ISO 8968-1:2002 Milk - Determination of nitrogen content - Part 1: Kjeldahl method
  • DS/EN 12135:1998 Fruit and vegetable juices - Determination of nitrogen content - Kjeldahl method
  • DS/EN 16339:2013 Ambient air - Method for the determination of the concentration of nitrogen dioxide by diffusive sampling
  • DS/EN 25663:1994 Water quality-Determination of Kjeldahl nitrogen-Method after mineralization with selenium
  • DS/ISO 1871:2009 Food and feed products - General guidelines for the determination of nitrogen by the Kjeldahl method
  • DS/EN ISO 4945:2009 Steel - Determination of nitrogen content - Spectrophotometric method
  • DS/EN ISO 20483:2007 Cereals and pulses - Determination of the nitrogen content and calculation of the crude protein content - Kjeldahl method
  • DS/ISO 21663:2020 Solid recovered fuels – Methods for the determination of carbon (C), hydrogen (H), nitrogen (N) and sulphur (S) by the instrumental method
  • DS/ISO 5663:1994 Water quality - Determination of Kjeldahl nitrogen - Method after mineralization with selenium
  • DS/EN 15407:2011 Solid recovered fuels - Methods for the determination of carbon (C), hydrogen (H) and nitrogen (N) content
  • DS/EN 13654-1:2002 Soil improvers and growing media - Determination of nitrogen - Part 1: Modified Kjeldahl method
  • DS/EN 13716:2002 Surface active agents - Determination of total base nitrogen - Potentiometric titration

Lithuanian Standards Office , Determination method of total nitrogen

  • LST EN 15750-2010 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
  • LST EN 12135-2001 Fruit and vegetable juices - Determination of nitrogen content - Kjeldahl method
  • LST EN ISO 8968-1:2002 Milk - Determination of nitrogen content - Part 1: Kjeldahl method (ISO 8968-1:2001)
  • LST ISO 937:2000 Meat and meat products. Determination of nitrogen content (Reference method) (idt ISO 937:1978(E))
  • LST EN 15407-2011 Solid recovered fuels - Methods for the determination of carbon (C), hydrogen (H) and nitrogen (N) content
  • LST EN 13654-1-2002 Soil improvers and growing media - Determination of nitrogen - Part 1: Modified Kjeldahl method
  • LST EN 13716-2002 Surface active agents - Determination of total base nitrogen - Potentiometric titration

AENOR, Determination method of total nitrogen

  • UNE-EN 15750:2010 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
  • UNE 77318:2001 Soil quality. Determination of total nitrogen. Modified Kjeldahl method.
  • UNE-EN 12135:1998 Fruit and vegetable juices - Determination of nitrogen content - Kjeldahl method
  • UNE 34080:1974 ANALYSIS METHODS FOR CHOCOLATES. DETERMINATION OF TOTAL NITROGEN. (PROTEINS).
  • UNE 84047:1995 COSMETIC RAW MATERIALS. DETERMINATION OF NITROGEN. KJEDHAL'S METHOD (SEMI-MICRO).
  • UNE-EN 25663:1994 WATER QUALITY. DETERMINATION OF KJELDAHL NITROGEN. METHOD AFTER MINERALIZATION WITH SELENIUM. (ISO 5663:1984).
  • UNE-EN 16339:2014 Ambient air - Method for the determination of the concentration of nitrogen dioxide by diffusive sampling
  • UNE 32013:1995 COAL. DETERMINATION OF NITROGEN. SEMI-MICRO KJELDAHL METHOD.
  • UNE-EN 15407:2011 Solid recovered fuels - Methods for the determination of carbon (C), hydrogen (H) and nitrogen (N) content
  • UNE-EN 13654-1:2002 Soil improvers and growing media - Determination of nitrogen - Part 1: Modified Kjeldahl method
  • UNE 59018:1986 LEATHER. DETERMINATION OF NITROGEN CONTENT AND "HIDE SUBSTANCE". TITRIMETRIC METHOD

CU-NC, Determination method of total nitrogen

  • NC 26-124-1985 Drugs, Deterrnination of Nitrogen by Kjejdah!. Testing Method
  • NC 24-63-1986 Inorganic Chemical Products. Nitrogen. Purity Determination by Orsat Anaiyzer Method
  • NC 24-64-1986 Inorganic Chemical Products Nitrogen, Determination of Oil Content
  • NC 24-65-1986 Inorganic Chemical Products Nitrogen. Determination of Water Vapor Content. Aerial Water Point Method

Professional Standard - Military and Civilian Products, Determination method of total nitrogen

  • WJ 2128-1993 Method for Determination of Nitrogen Content in Primer

Professional Standard - Commodity Inspection, Determination method of total nitrogen

  • SN/T 4042-2014 Determination of azide in wines for export
  • 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 0736.5-2010 Test method of import and export fertilizers.Part 5: Determination of nitrogen content

Hebei Provincial Standard of the People's Republic of China, Determination method of total nitrogen

  • DB13/T 1224-2010 Determination method of total nitrogen in organic chemical products

Tianjin Provincial Standard of the People's Republic of China, Determination method of total nitrogen

AT-ON, Determination method of total nitrogen

  • ONORM M 6248-1988 Water quality; determlnation of Kjeldabl nitrogen; method ajter mineralization with selenium
  • ONORM L 1091-1999 Chemical analysis of soils - Determination of inorganic nitrogen Nmin-method

Association of Official Analytical Chemists (AOAC), Determination method of total nitrogen

  • AOAC 991.20 AOAC Official Method 991.20 Nitrogen (Total) in Milk Kjeldahl Methods

Ningxia Provincial Standard of the People's Republic of China, Determination method of total nitrogen

TR-TSE, Determination method of total nitrogen

  • TS 2428-1976 METHODS FOR THE CHEMICAL ANALYSIS OF IRON AND STEELS DETERMINATION OF NITROGEN CONTENT
  • TS 362-1966 DETERMINAT?ON OF NITROGEN ?N COAL BY THE SEMI ■ M?KRO KJELDAHL METHOD
  • TS 3651-1981 METHODS FOR THE ANALYSIS OF WATER — DETERMINATION OF IRON CONTENT — 1,10 Phenanthroline Spectrophotometry Method

Anhui Provincial Standard of the People's Republic of China, Determination method of total nitrogen

  • DB34/T 2135-2014 Determination method of carbon, hydrogen and nitrogen in coal thermal conductivity method

European Committee for Standardization (CEN), Determination method of total nitrogen

  • 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 15750:2009 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
  • EN 16339:2013 Ambient air - Method for the determination of the concentration of nitrogen dioxide by diffusive sampling
  • EN ISO 4945:2009 Steel - Determination of nitrogen content - Spectrophotometric method (ISO 4945:1977)
  • EN 15407:2011 Solid recovered fuels - Methods for the determination of carbon (C), hydrogen (H) and nitrogen (N) content
  • CEN EN 13654-1-2001 Soil Improvers and Growing Media - Determination of Nitrogen - Part 1: Modified Kjeldahl Method
  • EN ISO 21663:2020 Solid recovered fuels - Methods for the determination of carbon (C), hydrogen (H), nitrogen (N) and sulphur (S) by the instrumental method (ISO 21663:2020)

Professional Standard - Urban Construction, Determination method of total nitrogen

  • CJ/T 103-1999 Municipal domestic refuse.Determination of total nitrogen.Semi-micro Kjeldahl method
  • CJ 26.25-1991 Determination of Standard Ammonia Nitrogen in Municipal Sewage Water Quality Inspection Method
  • CJ 26.27-1991 Municipal sewage water quality inspection method standard Determination of total nitrogen Titration method after distillation
  • CJ/T 77-1999 Municipal sewage.Determination of total nitrogen.Distillation and titration method

未注明发布机构, Determination method of total nitrogen

  • DIN EN 14211:2005 Air quality — measurement method for determining the concentration of nitrogen dioxide and nitrogen monoxide using chemiluminescence
  • 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
  • DIN EN ISO 8968-1:2002 Milk — Determination of nitrogen content — Part 1: Kjeldahl method (ISO 8968-1:2001)

Standard Association of Australia (SAA), Determination method of total nitrogen

  • AS 1050.12:1983/Amdt 1:1984
  • AS 1050.12:1983 Methods for the analysis of iron and steel - Determination of nitrogen in steel (steam distillation titrimetric method)
  • AS 2300.1.2.2:2008 Methods of chemical and physical testing for the dairying industry Method 1.2.2: General methods and principles- Determination of nitrogen—Nitrogen fractions from milk
  • AS 2300.1.2.2:1988 Methods of chemical and physical testing for the dairying industry - General methods and principles - Determination of nitrogen - Nitrogen fractions from milk
  • AS 3580.5.1:2023 Methods for sampling and analysis of ambient air, Method 5.1: Determination of oxides of nitrogen — Direct-reading instrumental method
  • AS 2512.7.1:2006 Methods of testing protective helmets Method 7.1: Determination of stability of protective helmets—Static stability
  • AS 3580.5.1:2011
  • AS 3580.5.1:1993 Methods for sampling and analysis of ambient air - Determination of oxides of nitrogen - Chemiluminescence method
  • AS 2300.1.2.1:1991 Methods of chemical and physical testing for the dairying industry - General methods and principles - Determination of nitrogen - Reference Kjeldahl method

Professional Standard - Ferrous Metallurgy, Determination method of total nitrogen

  • YB/T 4530-2016 Nitrogen-bearing ferromanganese.Determination of nitrogen content.The distillation-neutralization titration method
  • YB/T 174.1-2000 Chemical analysis for silicon nitride bonded silicon carbide product.Determination of silicon nitride content.High pressure dissolve specimen method

国家市场监督管理总局、中国国家标准化管理委员会, Determination method of total nitrogen

  • GB/T 24583.3-2019 Vanadium-nitrogen—Determination of nitrogen content—Distillation-neutralization titration method
  • GB/T 24583.2-2019 Vanadium-nitrogen—Determination of nitrogen content—Thermal conductimetric method after fusion in a current of inert gas
  • GB/T 6432-2018 Determination of crude protein in feeds—Kjeldahl method

International Dairy Federation (IDF), Determination method of total nitrogen

  • IDF 20-1-2001 Milk - Determination of nitrogen content - Part 1: Kjeldahl method

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

  • GB/T 34003-2017 Detection method of impurity elements in boron nitride
  • GB/T 35109-2017 Static test method of nitrogen and oxygen separation for molecular sieves

Association of German Mechanical Engineers, Determination method of total nitrogen

  • VDI 2456-2004 Stationary source emissions - Reference method for determination of the sum of nitrogen monoxide and nitrogen dioxide - Ion chromatography method

Military Standard of the People's Republic of China-General Armament Department, Determination method of total nitrogen

  • GJB 337-1987 Determination method of nitrogen content of nitrocellulose (interferometer method)
  • GJB 770.303-1989 Test methods for gunpowder analysis: Determination of nitrogen content of nitrocellulose. Five-tube nitrogen meter method
  • GJB 337-1987(XG1-2015) Modification sheet 1-2015 for determination method of nitrogen content of nitrocellulose
  • GJB 8682.11-2015 Methods of chemical analysis of pyrotechnics Part 11: Determination of barium nitrate content and nitrogen determination method
  • GJB 533.5-1988 Detection method for 45 components of submarine cabin air. Determination of nitrogen oxide content. Calibration tube method

RO-ASRO, Determination method of total nitrogen

  • STAS SR 13348-1-1996 Tea. Analysis methods. Determination of proteic nitrogen by the Kjeldahl method. Spectrophotometric method
  • SR ISO 4176:1981 Fertilizers. Determination of nitrate nitrogen content. Nitrogen gravimetric method
  • SR ISO 5315:1984 Fertilizers. Determination of totai nitrogen content.Titrimetric method after distilation
  • SR ISO 5314:1981 Fertilizers. Determination of ammoniaca! nitrogen content Titrimetric method after distillation

YU-JUS, Determination method of total nitrogen

  • JUS C.A1.409-1982 Methods for chemical analysi$ of ferroalloys. Titrimetric determination ofnitrogen in ferro-chromium
  • JUS B.H8.320-1988 Methods of analysis of coal and coke. Determination of nitrogen ccmtent - Makro Kjeldahl nethod
  • JUS H.F8.132-1986 Gases. Determination of nitrogen content. Gas chromatographic method
  • JUS H.B8.286-1983 Fertilizers. Determination of content nitrat-nitrogen. Volumetric method
  • JUS H.B8.285-1983 Fertilizers. Determination of content amoniac-nitrogen. Volumetric method

Professional Standard - Aviation, Determination method of total nitrogen

  • HB 5023-1994 Measuring method for nitriding and nitrocarburizing layer depth of aerospace steel parts

PT-IPQ, Determination method of total nitrogen

  • NP EN 12135-2000 Fruit and vegetable juices Determination of nitrogen content Kjeldahl method

Canadian Standards Association (CSA), Determination method of total nitrogen

  • CSA Z223.24 -M1983-1983 Method for the Measurement of Nitric Oxide and Nitrogen Dioxide in Air General Instruction No 1 R(1999)

Xinjiang Provincial Standard of the People's Republic of China, Determination method of total nitrogen

Professional Standard - Aerospace, Determination method of total nitrogen

  • QJ 2781A-2004 Determination of the carbon content,the hydrogen content and the nitrogen contene of carbonaceous material
  • QJ 1326-1987 Determination method of nitriding layer depth of iron and steel parts
  • QJ 2781-1995 Method for Determination of Carbon, Hydrogen and Nitrogen Content in Carbon Materials

Professional Standard-Ships, Determination method of total nitrogen

  • CB 3385-1991 Determination method of nitriding layer depth of iron and steel parts
  • CB/T 3385-1991 Determination method of nitriding layer depth of iron and steel parts
  • CB/T 3385-2013 Method of measuring nitrided case depth for iron and steel

ES-UNE, Determination method of total nitrogen

  • UNE-EN ISO 4945:2019 Steel - Determination of nitrogen - Spectrophotometric method (ISO 4945:2018)
  • UNE-EN ISO 21663:2021 Solid recovered fuels - Methods for the determination of carbon (C), hydrogen (H), nitrogen (N) and sulphur (S) by the instrumental method (ISO 21663:2020)

HU-MSZT, Determination method of total nitrogen

AR-IRAM, Determination method of total nitrogen

(U.S.) Ford Automotive Standards, Determination method of total nitrogen

  • FORD FLTM EU-BA 054-01-2000 METAL FOIL METHOD FOR DETERMINATION OF C- AND N-POTENTIAL OF CARBURIZING AND CARBONITRIDING FURNACE ATMOSPHERES

PL-PKN, Determination method of total nitrogen

  • PN A79528-17-1993 Spirit (ethyl alcohol). Methods of tests. Determination of voltile nitrogen basen content
  • PN Z04075-1961 Speedy Me?hod for De?er mina?ion of Ni?rogen Oxyde* in Air

Professional Standard - Light Industry, Determination method of total nitrogen

  • QB/T 3812.17-1999 Leather.Determination of nitrogen content and “hide substance”.Titrimtric method

CEN - European Committee for Standardization, Determination method of total nitrogen

  • EN ISO 4945:2018 Steel - Determination of nitrogen - Spectrophotometric method
  • PD CEN/TS 15407:2006 Solid recovered fuels - Method for the determination of carbon (C)@ hydrogen (H) and nitrogen (N) content

Professional Standard - Electron, Determination method of total nitrogen

  • SJ 2804.1-1987 Method for determination of Nitrogen in electronic grade Argon--Concentration gas chromatographic method (Part one)
  • SJ 2804.2-1987 Method for determination of trace Nitrogen in electronic grade Argon--Concentration gas chromatographic method (Part two)
  • SJ 3238-1989 Method for determination of trace Nitrogen in electronic grade Argon--Argon ionization gas chromatography method
  • SJ 2805-1987 Method for determination of Oxygen with Argon and Nitrogen in electronic grade Hydrogen--Concentration gas chromatographic method

Malaysia Standards, Determination method of total nitrogen

BG-BDS, Determination method of total nitrogen

  • BGC ISO 5983:2001 Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Kjeldahl method

ES-AENOR, Determination method of total nitrogen

Military Standard of the People's Republic of China-Commission of Science,Technology and Industry for National Defence, Determination method of total nitrogen

  • GJB 5381.11-2005 Methods of chemical analysis for pyrotech. Part 11: Determination of barium nitrate content. Azotometry method

海关总署, Determination method of total nitrogen

  • SN/T 4675.32-2021 Method for determination of nitrogen stable isotope ratios in exported wines

Chongqing Provincial Standard of the People's Republic of China, Determination method of total nitrogen

  • DB50/T 833-2017 Determination of nitrogen oxides in ambient air (nitrogen monoxide and nitrogen dioxide) by chemiluminescence

Professional Standard - Chemical Industry, Determination method of total nitrogen

  • HG/T 4103-2009 Chemical reagent.General method for the determination of organic nitrogen compounds
  • HG/T 3519-2003 Industrial circulating cooling water-Determination of Benzotriazole
  • HG 5-1519-1985 Determination method of benzotriazole in industrial circulating cooling water

Inner Mongolia Provincial Standard of the People's Republic of China, Determination method of total nitrogen

  • DB15/T 1458-2018 Method for Determination of pH Value, Organic Acid and Ammonia Nitrogen in Silage
  • DB15/T 1236-2017 Determination of volatile basic nitrogen in feedstuffs of animal origin by automatic Kjeldahl method

国家质量监督检验检疫总局, Determination method of total nitrogen

  • SN/T 4677-2016 Determination method of azocarboxamide in exported food by high performance liquid chromatography

Hunan Provincial Standard of the People's Republic of China, Determination method of total nitrogen

  • DB43/T 751-2013 Determination of Nitrogen in Graphite by Semi-Micro Kelvin Method

Shandong Provincial Standard of the People's Republic of China, Determination method of total nitrogen

Professional Standard - Coal, Determination method of total nitrogen

Professional Standard - Machinery, Determination method of total nitrogen

  • JB/T 6571-1993 Method for measuring impact ductility of man-made diamond and borazon

Universal Oil Products Company (UOP), Determination method of total nitrogen





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