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Determination principle and method of total nitrogen

Determination principle and method of total nitrogen, Total:260 items.

In the international standard classification, Determination principle and method of total nitrogen involves: External water conveyance systems, Water quality, Coals, Milk and milk products, Fertilizers, Analytical chemistry, Soil quality. Pedology, Animal feeding stuffs, Ferrous metals, Crude petroleum, Petroleum products in general, General methods of tests and analysis for food products, Lubricants, industrial oils and related products, Organic chemicals, Edible oils and fats. Oilseeds, Inorganic chemicals, Construction materials, Fuels, Terminology (principles and coordination), Technical product documentation, Applications of information technology, Rubber, Wastes, Spices and condiments. Food additives, Air quality, Products of the chemical industry, Non-ferrous metals, Meat, meat products and other animal produce, Photography, Farming and forestry, Ferroalloys, Elements of buildings, Test conditions and procedures in general, Vocabularies, Metrology and measurement in general.

GOSTR, Determination principle and method of total nitrogen

• GOST R 58596-2019 Soils. Methods for determination of total nitrogen
• GOST 9853.1-1996 Sponge titanium. Method for determination of nitrogen

Indonesia Standards, Determination principle and method of total nitrogen

• SNI 4146-2013 Method for determination of total nitrogen content in sediment by Kjeldahl titration method
• SNI 19-1501-1989 Test methods for total nitrogen oxide in air
• SNI 06-0042-1987 Nitrogen, Specification and test method
• SNI 06-6323-2000 Determination of total nitrogen content in peat
• SNI 13-4721-1998 Methods for determination of total nitrogen content in soils

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

• AS 2300.1.2.1:1988 Methods of chemical and physical testing for the dairying industry, Method 1.2.1: General methods and principles - Determination of nitrogen - Reference Kjeldahl method
• 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 1871.11:1976 List of methods for examination of waters Nitrogen (total Kjeldahl incl. ammoniacal)
• 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 2300.1.2.1:1991 Methods of chemical and physical testing for the dairying industry - General methods and principles - Determination of nitrogen - Reference Kjeldahl method
• AS 2300.1.1:2008 General Methods and Principles of Chemical and Physical Testing Methods for the Dairy Industry Determination of Total Solids and Moisture
• AS 2300.1.1:1988 Methods of chemical and physical testing for the dairying industry - General methods and principles - Determination of total solids and moisture
• AS ISO 8968.1:2021 Milk and milk products — Determination of nitrogen content, Part 1: Kjeldahl principle and crude protein calculation

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

• DB22/T 1932-2013 Determination method of total nitrogen content in peat (Kjeldahl method)

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

• GB/T 2441.1-2001 Determination of urea-Determination of total nitrogen content
• GB/T 2441.1-2008 Determination of urea.Part 1:Total 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 9823-1988 Method for determination of total nitrogen content in oilseed residues
• GB/T 43875-2024 Determination method of total chromium in cement raw materials
• GB/T 21318-2009 Determination of total nirogen content in animal feeding stuffs by combustion according to the Dumas principle and calculation o the crude protein content
• GB/T 24318-2009 Determination of total nitrogen content in animal feeding stuffs by combustion according to the Dumas principle and calculation of the crude protein content
• GB/T 19227-2008 Determination of nitrogen in coal
• 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 17767.1-2008 Determination of organic-inorganic compound fertilizers.Part 1:Total nitrogen content
• GB/T 10209.1-2008 Determination of monoammonium phosphate and diammonium phosphate.Part 1:Total nitrogen content
• GB/T 41965-2022 Photography—Processing waste—Determination of total amino nitrogen(microdiffusion Kjeldahl method)
• GB/T 10511-2008 Determination of tatal nitrogen content for nitrophosphate.Titrimetric method after distillation
• GB/T 10511-1989 The determination of total nitrogen content for nitrophosphate titrimetric method after distillation
• GB/T 8572-2010 Determination of total nitrogen content for compound fertilizers titrimetric method after distillation
• GB/T 8572-2001 Determination of total nitrogen content for compound fertilizers-Titrimetric method after distillation

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

• T/QAS 071-2021 Determination of total nitrogen in brine Kjeldahl method
• T/NAIA 044-2021 Urine Total Nitrogen Determination in Livestock Kjeldahl Method
• T/GXAS 477-2023 Determination of total nitrogen content in sugarcane juice —sulphuric acid titrimetric method
• T/CHES 15-2017 Determination of Total Nitrogen in Water Quality Gas Phase Molecular Absorption Spectrometry

RU-GOST R, Determination principle and method of total nitrogen

• GOST 10671.4-2016 Reagents. Methods for determination of total nitrogen impurity
• GOST 26107-1984 Soils. Methods for determination of total nitrogen
• 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 26715-1985 Organic fertilizers. Methods for determination of total nitrogen
• GOST 23327-1998 Milk and milk products. Determination of mass part of total nitrogen by Kjeldahl method and determination of mass part of protein
• GOST 23327-1978 Milk. Methods for determination of the total protein content
• GOST EN 15750-2016 Fertilizers. Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
• GOST R 51423-1999 Feedstuffs, compound feeds, feed raw materials. Method for determination of soluble nitrogen fraction of total mass after treatment with pepsin in dilute hydrochloric acid
• GOST R 54216-2010 Solid biofuels. Determination of total content of carbon, hydrogen and nitrogen by instrumental methods
• GOST 32985-2014 Solid biofuels. Determination of carbon, hydrogen and nitrogen by instrumental methods
• GOST 13020.7-1985 Metallic chrome. Methods for determination of nitrogen
• GOST 9853.1-1979 Sponge titanium. Method for the determination of nitrogen
• GOST 26602.4-2012 Windows and doors. Method for determination of total light transmittance
• GOST EN 15478-2013 Fertilizers. Determination of total nitrogen in urea

Association Francaise de Normalisation, Determination principle and method of total nitrogen

• NF V04-211:1971 MILK. DETERMINATION OF TOTAL NITROGEN CONTENT. (KJELDAHL METHOD).
• NF A06-555:2010 Steel - Determination of nitrogen content - Spectrophotometric method.
• NF X31-111*NF ISO 11261:1995 Soil quality. Determination of total nitrogen. Modified kjeldahl method.
• NF U42-151:1984 Fertilizers. Determination of total nitrogen content. Titrimetric method after distillation.
• NF EN ISO 14891:2003 Milk and dairy products - Determination of nitrogen content - Practical method by combustion according to the Dumas principle
• NF EN 15750:2010 Fertilizers - Determination of the total nitrogen content of fertilizers containing nitrogen only in nitric, ammoniacal and urea form, using two different methods
• 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 V04-221-1*NF EN ISO 8968-1:2014 Milk and milk products - Determination of nitrogen content - Part 1 : Kjeldahl principle and crude protein calculation
• NF U42-147*NF EN 15561:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrate
• NF EN 15478:2009 Fertilizers - Determination of total nitrogen in urea
• NF V59-202:1988 Collagenes. Determination of the nitrogen content.
• NF EN 16168:2012 Sludge, treated biowaste and soil - Determination of total nitrogen content by dry combustion
• NF ISO 20620:2022 Fertilizers and amendments - Determination of total nitrogen by combustion
• NF EN 13716:2002 Surfactants - Determination of total basic nitrogen content - Potentiometric titration
• NF T73-282*NF EN 13716:2002 Surface active agents - Determination of total base nitrogen - Potentiometric titration.
• NF X31-036*NF EN 16168:2012 Sludge, treated biowaste and soil - Determination of total nitrogen using dry combustion method.

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

• BS 7755-3.7:1995 Soil quality. Chemical methods. Determination of total nitrogen. Modified Kjeldahl method
• BS 5551-4.1.3:1986 Fertilizers. Chemical analysis. Determination of nitrogen. Method for determination of total nitrogen content (titrimetric method after distillation)
• BS ISO 6851:2001 Photography. Processing waste. Determination of total amino nitrogen (microdiffusion Kjeldahl method)
• BS ISO 20620:2021 Fertilizers and soil conditioners. Determination of total nitrogen by combustion
• BS 4267-2:1988(1999) Ammonium nitrate — Part 2 : Method for determination of total nitrogen content
• 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 15750:2010 Fertilizers. Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
• BS 4267-2:1988 Ammonium nitrate - Method for determination of total nitrogen content
• BS EN 82045-1:2001 Document management. Principles and methods
• 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 15478:2009 Fertilizers - Determination of total nitrogen in urea
• BS ISO 704:2022 Terminology work. Principles and methods
• PD ISO/TR 14294:2011 Workplace atmospheres. Measurement of dermal Exposure. Principles and methods
• BS DD CEN/TS 15476:2006 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Devarda
• BS EN 13716:2002 Surface active agents - Determination of total base nitrogen - Potentiometric titration
• BS EN ISO 14891:2002 Milk and milk products - Determination of nitrogen content - Routine method using combustion according to the Dumas principle

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

• 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 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 D3590-02 Standard Test Methods for Total Kjeldahl Nitrogen in Water
• ASTM D3590-11 Standard Test Methods for Total Kjeldahl Nitrogen in Water
• ASTM D3590-17 Standard Test Methods for Total Kjeldahl Nitrogen in Water
• ASTM D1013-93(1998) Standard Test Method for Determining Total Nitrogen in Resins and Plastics
• ASTM D3228-22 Standard Test Method for Total Nitrogen in Lubricating Oils and Fuel Oils by Modified Kjeldahl Method
• ASTM E258-67(2002) Standard Test Method for Total Nitrogen in Organic Materials by Modified Kjeldahl Method
• ASTM D8083-16 Standard Test Method for Total Nitrogen, and Total Kjeldahl Nitrogen (TKN) by Calculation, in Water by High Temperature Catalytic Combustion and Chemiluminescence Detection
• ASTM D6556-00a Standard Test Method for Carbon Black8212;Total and External Surface Area by Nitrogen Adsorption
• ASTM D6556-10 Standard Test Method for Carbon Black-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 E258-67(1996)e1 Standard Test Method for Total Nitrogen in Organic Materials by Modified Kjeldahl Method
• ASTM D6556-01 Standard Test Method for Carbon Black8212;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 D6556-07 Standard Test Method for Carbon Black-Total and External Surface Area by Nitrogen Adsorption
• ASTM D6556-17 Standard Test Method for Carbon Black&x2014;Total and External Surface Area by Nitrogen Adsorption
• ASTM D7622-20 Standard Test Method for Total Mercury in Crude Oil Using Combustion and Direct Cold Vapor Atomic Absorption Method with Zeeman Background Correction
• ASTM D7622-10(2015) Standard Test Method for Total Mercury in Crude Oil Using Combustion and Direct Cold Vapor Atomic Absorption Method with Zeeman Background Correction

VN-TCVN, Determination principle and method of total nitrogen

• TCVN 6498-1999 Soil quality.Determination of total nitrogen.Modifierd Kejldahl method
• TCVN 3705-1990 Aquatic products.Method for the determination of total nitrogen and protein content
• TCVN 5265-1990 Bee products.Determination of total nitrogen content
• TCVN 6645-2000 Soil quality.Determination of total nitrogen content by dry combustion ("elemental analysis")

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

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

CZ-CSN, Determination principle and method of total nitrogen

• CSN 65 4836-1983 Minerál fertilizers Methode for determination of total nitrogen content
• CSN 68 4124-1980 Determination of small mounts of total nitrogen
• CSN 58 0703-7-1999 Testing methods of dehydrated products and seasonings - Part 7: Determinaton of total nitrogen
• CSN 65 0176 Cast.7-1979 Testing methods for tarch. Determination of nitrogen
• CSN 83 0540 Cast.13-1984 Chemical and physical analysis of waste water Determination of organic and total nitrogen

SCC, Determination principle and method of total nitrogen

• NS-EN 15750:2009 Fertilizers — Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
• SN-CEN/TS 15750:2008 Fertilizers — Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
• BS DD CEN/TS 15750:2008 Fertilizers. Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
• AENOR UNE-EN 15750:2010 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
• DANSK DS/EN 15750:2009 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
• BS 5551-4.1.5:1993 Fertilizers. Chemical analysis. Determination of nitrogen.-Method for determination of urea nitrogen content (gravimetric method using xanthydrol)
• DIN EN 15750 E:2009 Draft Document - Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods; German version prEN 15750:2009
• BS 4401-2:1969 Methods of test for meat and meat products. Determination of nitrogen content
• VDI 2456-2004 Measurement of gaseous emissions — Reference method for the determination of the sum of nitrogen monoxide and nitrogen dioxide — Ion chromatographic method
• BS 6068-2-2.38:1990 Water quality. Physical, chemical and biochemical methods-Methods for the determination of total chromium by atomic absorption spectrometry
• BS DD ISO/TS 12902:2002 Solid mineral fuels. Determination of total carbon, hydrogen and nitrogen. Instrumental methods
• CAN/CSA-Z780-1992 Principles and methods of terminology
• VDI 2456-2004 Measurement of gaseous emissions — Reference method for the determination of the sum of nitrogen monoxide and nitrogen dioxide — Ion chromatographic method
• NS-EN 16168:2012 Sludge, treated biowaste and soil — Determination of total nitrogen using dry combustion method
• DANSK DS/EN 16168:2012 Sludge, treated biowaste and soil - Determination of total nitrogen using dry combustion method
• SN-CEN/TS 15104:2005 Solid biofuels — Determination of total content of carbon, hydrogen and nitrogen — Instrumental methods
• NS-EN 15104:2011 Solid biofuels — Determination of total content of carbon, hydrogen and nitrogen — Instrumental methods
• AENOR UNE 55595:1981 Surface agents. Sulfuric acid and oleums used as raw materials for detergent formulations. Determination of total nitrogen. Volumetric method after distilling.
• DANSK DS/EN ISO 14891:2002 Milk and milk products - Determination of nitrogen content - Routine method using combustion according to the Dumas principle
• DANSK DS/EN 15478:2009 Fertilizers - Determination of total nitrogen in urea
• DANSK DS/CEN/TS 15104:2005 Solid biofuels - Determination of total content of carbon, hydrogen and nitrogen - Instrumental methods
• DIN CEN/TS 15104:2005 Solid biofuels - Determination of total content of carbon, hydrogen and nitrogen - Instrumental methods; German version CEN/TS 15104:2005
• NS-EN 14049:2003 Water application intensity — Calculation principles and measurement methods
• NS-EN 15478:2009 Fertilizers — Determination of total nitrogen in urea
• SN-CEN/TS 15478:2006 Fertilizers — Determination of total nitrogen in urea
• NS-EN 13716:2001 Surface active agents — Determination of total base nitrogen — Potentiometric titration
• DANSK DS/EN 14049/A1:2004 Water application intensity - Calculation principles and measurement methods
• DANSK DS/EN 14049:2004 Water application intensity - Calculation principles and measurement methods
• DIN 51732 E:2013 Draft Document - Testing of solid mineral fuels - Determination of total carbon, hydrogen and nitrogen - Instrumental methods
• DANSK DS/EN 13716:2002 Surface active agents - Determination of total base nitrogen - Potentiometric titration
• BS PD ISO/TR 14294:2011 Workplace atmospheres. Measurement of dermal Exposure. Principles and methods
• BS 7020-4.3:1990 Analysis of iron ores. Method for the determination of total iron content-Silver reduction titrimetric method
• DIN EN 15104 E:2010 Draft Document - Solid biofuels - Determination of total content of carbon, hydrogen and nitrogen - Instrumental methods; German version FprEN 15104:2010
• DANSK DS/EN ISO 8968-1:2014 Milk and milk products - Determination of nitrogen content - Part 1: Kjeldahl principle and crude protein calculation
• NS-EN ISO 14891:2002 Milk and milk products — Determination of nitrogen content — Routine method using combustion according to the Dumas principle (ISO 14891:2002)
• DANSK DS/ISO 2294:1979 Meat and meat products - Determination of total phosphorus content (Reference method)

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

• AOAC 991.20 AOAC Official Method 991.20 Nitrogen (Total) in Milk Kjeldahl Methods
• AOAC Official Method 2001.14 Determination of total nitrogen in cheese

German Institute for Standardization, Determination principle and 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 51732 E:2013-07 Testing of solid mineral fuels - Determination of total carbon, hydrogen and nitrogen - Instrumental methods
• DIN 51732:2007 Testing of solid mineral fuels - Determination of total carbon, hydrogen and nitrogen - Instrumental methods
• DIN 51732:2014 Testing of solid mineral fuels - Determination of total carbon, hydrogen and nitrogen - Instrumental methods
• DIN 51732:2014-07 Testing of solid mineral fuels - Determination of total carbon, hydrogen and nitrogen - Instrumental methods
• DIN EN 16168:2012-11 Sludge, treated biowaste and soil - Determination of total nitrogen using dry combustion method; German version EN 16168:2012
• DIN EN ISO 14891:2002-07 Milk and milk products - Determination of nitrogen content - Routine method using combustion according to the Dumas principle (ISO 14891:2002); German version EN ISO 14891:2002
• DIN EN 13716:2003-05 Surface active agents - Determination of total base nitrogen - Potentiometric titration; German version EN 13716:2001
• DIN EN ISO 8968-1 E:2013-04 Determination of nitrogen content of milk and milk products Part 1: Principles of Kjeldahl method and calculation of crude protein (draft)
• DIN EN 15478:2009-04 Fertilizers - Determination of total nitrogen in urea; German version EN 15478:2009
• DIN EN 15478:2009 Fertilizers - Determination of total nitrogen in urea; English version of DIN EN 15478:2009-04
• DIN EN ISO 8968-1:2014-06 Milk and milk products - Determination of nitrogen content - Part 1: Kjeldahl principle and crude protein calculation (ISO 8968-1:2014); German version EN ISO 8968-1:2014

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

• KS I ISO 11261-2008(2021) Soil quality－Determination of total nitrogen－Modified Kjeldahl method
• KS I ISO 11261:2008 Soil quality-Determination of total nitrogen-Modified Kjeldahl method
• KS I ISO 11261-2008(2018) Soil quality－Determination of total nitrogen－Modified Kjeldahl method
• KS H ISO 1871-2013(2018) Agricultural food products ― General directions for the determination of nitrogen by the Kjeldahl method
• KS M ISO 6851-2002(2022) Photography－Processing waste－Determination of total amino nitrogen－Microdiffusion Kjeldahl method
• KS M ISO 5315-2007(2012) Fertilizers－Determination of total nitrogen content－Titrimetric method after distillation
• KS M 2112-2011 Crude petroleum and petroleum products-Determination of nitrogen content
• KS M ISO 5315:2007 Fertilizers-Determination of total nitrogen content-Titrimetric method after distillation
• KS M ISO 5315:2013 Fertilizers－Determination of total nitrogen content－Titrimetric method after distillation
• KS M ISO 6851-2002(2017) Photography－Processing waste－Determination of total amino nitrogen－Microdiffusion Kjeldahl method
• KS D 2555-1995 Methods for determination of nitrogen in tantalum
• KS D 2555-2015 Methods for determination of nitrogen in tantalum
• KS M ISO 6851:2002 Photography-Processing waste-Determination of total amino nitrogen-Microdiffusion Kjeldahl method
• KS M ISO 6851-2022 Photography－Processing waste－Determination of total amino nitrogen－Microdiffusion Kjeldahl method
• KS D 1811-2003(2018) Methods for determination of nitrogen in iron and steel
• KS X ISO 704-2020 Terminology work－Principles and methods
• KS D 1811-1993 Methods for determination of nitrogen in iron and steel
• KS D 1811-2023 Methods for determination of nitrogen in iron and steel
• KS D 2555-2020 Determination of nitrogen in tantalum

IN-BIS, Determination principle and method of total nitrogen

• IS 5194-1969 Determination method of nitrogen-Kjeldahl method
• IS 3708 Pt.8-1986 Test methods for natural rubber latex Part 8 Determination of total nitrogen [NRL: 12]
• IS 3859-1966 Method for determination of intensity of water-soluble azo dyes using titanium trichloride reduction method

Spanish Association for Standardization (UNE), Determination principle and method of total nitrogen

• UNE 34080:1974 ANALYSIS METHODS FOR CHOCOLATES. DETERMINATION OF TOTAL NITROGEN. (PROTEINS).
• UNE 77318:2001 Soil quality. Determination of total nitrogen. Modified Kjeldahl method.
• UNE 55-595-1981 Determination of total content of sulfuric acid and nitrogen in detergent formulation raw materials by post-distillation volumetric method
• 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 84047:1995 COSMETIC RAW MATERIALS. DETERMINATION OF NITROGEN. KJEDHAL'S METHOD (SEMI-MICRO).
• UNE-EN 13716:2002 Surface active agents - Determination of total base nitrogen - Potentiometric titration.
• UNE-CEN/TS 15104:2008 EX Solid biofuels - Determination of total content of carbon, hydrogen and nitrogen - Instrumental methods
• UNE-EN 15478:2009 Fertilizers - Determination of total nitrogen in urea
• UNE-CEN/TS 15478:2007 EX Fertilizers - Determination of total nitrogen in urea
• UNE-EN 16168:2012 Sludge, treated biowaste and soil - Determination of total nitrogen using dry combustion method (Endorsed by AENOR in October of 2012.)
• UNE 55-709-1984 General method for determination of iron content in raw materials for detergent formulations and spectroscopic determination of phenanthroline
• UNE-EN ISO 14891:2002 Milk and milk products - Determination of nitrogen content - Routine method using combustion according to the Dumas principle. (ISO 14891:2002)

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

• ISO 11261:1995 Soil quality - Determination of total nitrogen - Modified Kjeldahl method
• ISO 5315:1984 Fertilizers; Determination of total nitrogen content; Titrimetric method after distillation
• ISO 14891:2002 | IDF 185:2002 Milk and milk products — Determination of nitrogen content — Routine method using combustion according to the Dumas principle
• ISO 3331:1975 Ammonium nitrate for industrial use — Determination of total nitrogen content — Titrimetric method after distillation
• ISO 5725-1:1994 Accuracy (trueness and precision) of measurement methods and results - Part 1: General principles and definitions
• ISO 3099:1974 Oilseed residues — Determination of total nitrogen content
• ISO 29541:2010 Solid mineral fuels - Determination of total carbon, hydrogen and nitrogen content - Instrumental method
• ISO 8968-1:2014 | IDF 20-1:2014 Milk and milk products — Determination of nitrogen content — Part 1: Kjeldahl principle and crude protein calculation

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

• JIS K 2609:1990 Crude petroleum and petroleum products -- Determination of nitrogen content
• JIS H 1685:2000 Method for determination of nitrogen in tantalum

Professional Standard - Agriculture, Determination principle and method of total nitrogen

• GB 609-1988 General method for the determination of total nitrogen content of chemical reagents
• GB/T 609-2018(XG1-2024) Chemical Reagents General Method for Determination of Total Nitrogen
• NY/T 2542-2014 Fertilizers.Determination of total nitrogen content
• HJ 199-2023 Determination of total nitrogen in water quality by gas phase molecular absorption spectrometry
• GB/T 42955-2023 Determination of total nitrogen content in fertilizers Dumas combustion method
• GB 10511-1989 Determination of total nitrogen content in nitrophosphate fertilizers Titration after distillation

PH-BPS, Determination principle and method of total nitrogen

• PTS 98-1970 Standardization of the Method of Test for the Determination of Total Nitrogen Content.Devarda Method

PL-PKN, Determination principle and method of total nitrogen

• PN C04576 ArkusZ12-1973 Water and waste water Tests for nitrogenDetermination of total nitrogen of Kjeldahl

Lithuanian Standards Office , Determination principle and 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 16168-2012 Sludge, treated biowaste and soil - Determination of total nitrogen using dry combustion method
• LST EN 13716-2002 Surface active agents - Determination of total base nitrogen - Potentiometric titration
• LST EN 15478-2009 Fertilizers - Determination of total nitrogen in urea
• LST EN ISO 14891:2003 Milk and milk products - Determination of nitrogen content - Routine method using combustion according to the Dumas principle (ISO 14891:2002)

Danish Standards Foundation, Determination principle and 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 16168:2013 Sludge, treated biowaste and soil - Determination of total nitrogen using dry combustion method
• DS/EN ISO 14891:2002 Milk and milk products - Determination of nitrogen content - Routine method using combustion according to the Dumas principle
• DS/EN 13716:2002 Surface active agents - Determination of total base nitrogen - Potentiometric titration
• DS/EN 15478:2009 Fertilizers - Determination of total nitrogen in urea
• DS/EN 13342:2001 Characterisation of sludges - Determination of total Kjeldahl nitrogen

European Committee for Standardization (CEN), Determination principle and 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 ISO 14891:2002 Milk and Milk Products - Determination of Nitrogen Content - Routine Method Using Combustion According to the Dumas Principle
• EN 15750:2009 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
• EN 15478:2009 Fertilizers - Determination of total nitrogen in urea

RO-ASRO, Determination principle and method of total nitrogen

• SR ISO 5315:1984 Fertilizers. Determination of totai nitrogen content.Titrimetric method after distilation

國家市場監(jiān)督管理總局、中國國家標(biāo)準(zhǔn)化管理委員會, Determination principle and method of total nitrogen

• GB/T 40723-2021 Rubber—Determination the contents of total sulfur and total nitrogen — Automatic analyser method

Professional Standard - Urban Construction, Determination principle and method of total nitrogen

• CJ/T 77-1999 Municipal sewage.Determination of total nitrogen.Distillation and titration method
• CJ 26.27-1991 Municipal sewage water quality inspection method standard Determination of total nitrogen Titration method after distillation

GSO, Determination principle and method of total nitrogen

• GSO ISO 6851:2015 Photography -- Processing waste -- Determination of total amino nitrogen (microdiffusion Kjeldahl method)
• OS GSO ISO 14891:2014 Milk and milk products -- Determination of nitrogen content -- Routine method using combustion according to the Dumas principle
• GSO ISO 14891:2014 Milk and milk products -- Determination of nitrogen content -- Routine method using combustion according to the Dumas principle
• BH GSO ISO 14891:2016 Milk and milk products -- Determination of nitrogen content -- Routine method using combustion according to the Dumas principle
• OS GSO ISO 8968-1:2014 Milk and milk products -- Determination of nitrogen content -- Part 1: Kjeldahl principle and crude protein calculation

YU-JUS, Determination principle and method of total nitrogen

• JUS H.B8.288-1983 Fertilizers. Determination of content total-nitrogen. Volumetric method
• JUS H.G8.104-1984 Reagents. Potassium chloride. Determination of total nitrogen content. Colorimetric method
• JUS H.G8.343-1988 Reagents. Zine chloride. Determination of total nitrogen content. Colorinetcic metbod
• JUS H.G8.489-1991 Reagents. Potassium permanganate. Determination of total nitrogen content. Colorimetric method
• JUS H.G8.514-1991 Reagents. Potassium hydroxide. Determination of total nitrogen content. Colorimetric method
• JUS H.G8.083-1983 Reagents. Sodium chloride. Determination of total nitrogen content. Colorimetric method

GOST, Determination principle and method of total nitrogen

• GOST 34789-2021 Brewing products. Identification. Determination of mass concentration of total nitrogen by Kjeldahl method

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

• IDF 185-2002 Milk and milk products - Determination of nitrogen content - Routine method using combustion according to the Dumas principle
• IDF 20-1-2014 Milk and milk products - Determination of nitrogen content - Part 1: Kjeldahl principle and crude protein calculation

VDI - Verein Deutscher Ingenieure, Determination principle and method of total nitrogen

• VDI 2456 Blatt 2-1973 Gaseous emission measurement; determination of the total sum of nitrogen monoxide and nitrogen dioxide; acidimetric titration method
• VDI 2456-2003 Stationary source emissions - Determination of the total of nitrogen monoxide and nitrogen dioxide - Ion chromatography method

HU-MSZT, Determination principle and method of total nitrogen

• MSZ 21853/10-1979 Definition and Periodic Methods for Air Pollution Detection of Nitric Oxide and Nitrogen Dioxide Emission Bands

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

• PD CEN/TS 15478:2006 Fertilizers - Determination of total nitrogen in urea

Professional Standard - Commodity Inspection, Determination principle and method of total nitrogen

• SN/T 3097-2012 Determination of total nitrogen in fertelezers.Combustion

KR-KS, Determination principle and method of total nitrogen

• KS D 1811-2003(2023) Methods for determination of nitrogen in iron and steel

SE-SIS, Determination principle and method of total nitrogen

• SIS SS 02 81 86-1985 Determination of total arsenic in water - Silver diethyldithiocarbamate spectrometric method

PT-IPQ, Determination principle and method of total nitrogen

• NP 1612-2002 Meat and meat products Determination of nitrogen content Reference method

Professional Standard - Tobacco, Determination principle and method of total nitrogen

• YC/T 33-1996 Tobacco and tobacco products-Determination of total nitrogen-Kjeldahl method

工業(yè)和信息化部, Determination principle and method of total nitrogen

• HG/T 5669-2019 Determination of total nitrogen in textile dyeing and finishing auxiliaries

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