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total nitrogen form nitrogen

total nitrogen form nitrogen, Total:499 items.

In the international standard classification, total nitrogen form nitrogen involves: Fertilizers, Soil quality. Pedology, Photography, Wastes, Water quality, Milk and milk products, Materials for aerospace construction, Animal feeding stuffs, Coals, Farming and forestry, Wind turbine systems and other alternative sources of energy, External water conveyance systems, Fuels, Analytical chemistry, Edible oils and fats. Oilseeds, Products of the chemical industry, Biology. Botany. Zoology, Air quality, ENVIRONMENT. HEALTH PROTECTION. SAFETY, Rubber, General methods of tests and analysis for food products, Ferrous metals, Organic chemicals, Lubricants, industrial oils and related products, Cutting tools, Inorganic chemicals, Test conditions and procedures in general, Fluid storage devices, Beverages, Agricultural machines, implements and equipment, Raw materials for rubber and plastics, Components for aerospace construction, Protection against fire, Measurement of volume, mass, density, viscosity.

RU-GOST R, total nitrogen form nitrogen

• GOST EN 15604-2013 Fertilizers. Determination of different forms of nitrogen in the same sample: nitric, ammoniacal, cyanamide and urea 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 9293-1974 Gaseous and liquid nitrogen. Specifications
• GOST EN 15476-2013 Fertilizers. Determination of nitric and ammoniacal nitrogen according to Devarda
• GOST EN 15559-2013 Fertilizers. Determination of nitric and ammoniacal nitrogen according to Arnd
• GOST 30181.3-1994 Mineral fertilizers. Method for determination of mass fraction of nitrogen in fertilizers with nitrate nitrogen
• GOST EN 15558-2013 Fertilizers. Determination of nitric and ammoniacal nitrogen according to Ulsch selon
• GOST EN 15475-2013 Fertilizers. Determination of ammoniacal nitrogen
• GOST EN 15562-2013 Fertilizers. Determination of cyanamide nitrogen
• GOST 26715-1985 Organic fertilizers. Methods for determination of total nitrogen
• GOST 26716-1985 Organic fertilizers. Methods for determination of ammonium nitrogen
• 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 10671.4-2016 Reagents. Methods for determination of total nitrogen impurity
• GOST EN 15478-2013 Fertilizers. Determination of total nitrogen in urea
• GOST 26107-1984 Soils. Methods for determination of total nitrogen
• 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 30181.1-1994 Mineral fertilizers. Method for determination of total overall mass fraction of nitrogen in compound fertilizers (in ammonium and amide forms, with deammoniation)
• GOST 30181.2-1994 Mineral fertilizers. Method for determination of total mass fraction of nitrogen in single - component fertlizers (in ammonium and amide forms, no deammoniation)
• GOST EN 15560-2013 Fertilizers. Determination of total nitrogen in calcium cyanamide nitrate free
• GOST EN 15561-2013 Fertilizers. Determination of total nitrogen in calcium cyanamide containing nitrates
• 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 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

British Standards Institution (BSI), total nitrogen form nitrogen

• BS DD CEN/TS 15604:2007 Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
• DD CEN/TS 15604:2007 Fertilizers — Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
• BS EN 15604:2009 Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
• 14/30313910 DC BS ISO 15604. Fertilizers. Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
• DD CEN/TS 15559:2007 Fertilizers. Determination of nitric and ammoniacal nitrogen according to Arnd
• BS DD CEN/TS 15559:2007 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Arnd
• BS DD CEN/TS 15558:2007 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Ulsch
• 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 EN 15559:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Arnd
• BS DD CEN/TS 15475:2006 Fertilizers - Determination of ammoniacal nitrogen
• BS EN 15558:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Ulsch
• 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 15476:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Devarda
• BS EN 15475:2009 Fertilizers — Determination of ammoniacal nitrogen
• BS DD CEN/TS 15476:2006 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Devarda
• BS 7755-3.7:1995 Soil quality. Chemical methods. Determination of total nitrogen. Modified Kjeldahl method
• BS EN 15478:2009 Fertilizers - Determination of total nitrogen in urea
• BS ISO 6851:2001 Photography. Processing waste. Determination of total amino nitrogen (microdiffusion Kjeldahl method)
• BS ISO 6851:2002 Photography - Processing waste - Determination of total amino nitrogen (microdiffusion 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 4267-2:1988 Ammonium nitrate - Method for determination of total nitrogen content
• BS ISO 20620:2021 Fertilizers and soil conditioners. Determination of total nitrogen by combustion
• BS EN ISO 20236:2021 Water quality. Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TN_b) and dissolved bound nitrogen (DN_b) after high temperature catalytic oxidative combustion
• BS ISO 23695:2023 Water quality. Determination of ammonium nitrogen in water. Small-scale sealed tube method
• DD CEN/TS 15560:2007 Fertilizers. Determination of total nitrogen in calcium cyanamide nitrate free
• BS EN ISO 16948:2015 Solid biofuels. Determination of total content of carbon, hydrogen and nitrogen
• 21/30442087 DC BS EN 15560. Fertilizers. Determination of total nitrogen in calcium cyanamide nitrate free
• BS EN 15560:2023 Inorganic fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free
• DD CEN/TS 15561:2007 Fertilizers. Determination of total nitrogen in calcium cyanamide containing nitrates
• BS EN 15561:2023 Inorganic fertilizers. Determination of total nitrogen in calcium cyanamide containing nitrates
• BS EN ISO 13395:1996 Water quality - Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection
• BS 7777-4:1993 Flat-bottomed, vertical, cylindrical storage tanks for low temperature service - Specification for the design and construction of single containment tanks for the storage of liquid oxygen, liquid nitrogen and liquid argon
• BS 5551 SubSec.4.1.2:1982 Fertilizers. Chemical analysis. Determination of nitrogen. Determination of ammoniacal nitrogen, titrimetric method after distillation
• BS ISO 6853:2002 Photography - Processing waste - Determination of ammoniacal nitrogen (microdiffusion method)
• BS EN 13716:2002 Surface active agents - Determination of total base nitrogen - Potentiometric titration
• BS ISO 29541:2010 Solid mineral fuels. Determination of total carbon, hydrogen and nitrogen content. Instrumental method
• 21/30442090 DC BS EN 15561. Fertilizers. Determination of total nitrogen in calcium cyanamide containing nitrates
• 21/30396472 DC BS ISO 23695. Water quality. Determination of ammonium nitrogen in water. Small-scale sealed tube method
• BS DD CEN/TS 15560:2007 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free
• BS DD CEN/TS 15561:2007 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates
• BS EN 15560:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free
• BS EN 15561:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates
• 20/30419338 DC BS EN ISO 20620. Fertilizers and soil conditioners. Determination of total nitrogen by combustion
• BS EN 15104:2011 Solid biofuels. Determination of total content of carbon, hydrogen and nitrogen. Instrumental 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

German Institute for Standardization, total nitrogen form nitrogen

• DIN CEN/TS 15604:2008 Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen; German version CEN/TS 15604:2007
• 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 15604:2009-06 Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen; German version EN 15604:2009 / Note: To be replaced by DIN EN ISO 15604 (2019-06).
• DIN ISO 14255:1998-11 Soil quality - Determination of nitrate nitrogen, ammonium nitrogen and total soluble nitrogen in air-dry soils using calcium chloride solution as extractant (ISO 14255:1998)
• DIN EN 15559:2009-06 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Arnd; German version EN 15559:2009
• DIN EN 15476:2009-04 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Devarda; German version EN 15476:2009
• DIN EN 15558:2009-06 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Ulsch; German version EN 15558:2009
• 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 EN 15559:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Arnd; English version of DIN EN 15559:2009-06
• DIN EN 15558:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Ulsch; English version of DIN EN 15558:2009-06
• DIN ISO 14255:1998 Soil quality - Determination of nitrate nitrogen, ammonium nitrogen and total soluble nitrogen in air-dry soils using calcium chloride solution as extractant (ISO 14255:1998)
• DIN CEN/TS 15558:2007 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Ulsch; German version CEN/TS 15558:2007
• DIN CEN/TS 15559:2007 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Arnd; German version CEN/TS 15559:2007
• DIN EN 15476:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Devarda; English version of DIN EN 15476:2009-04
• DIN EN 15475:2009 Fertilizers - Determination of ammoniacal nitrogen; English version of DIN EN 15475:2009-04
• DIN CEN/TS 15562:2007 Fertilizers - Determination of cyanamide nitrogen; German version CEN/TS 15562:2007
• DIN EN 12260:2003 Water quality - Determination of nitrogen - Determination of bound nitrogen (TN<(Index)b>), following oxidation to nitrogen oxides; German version EN 12260:2003
• DIN EN 15478:2009 Fertilizers - Determination of total nitrogen in urea; English version of DIN EN 15478:2009-04
• DIN EN 15478:2009-04 Fertilizers - Determination of total nitrogen in urea; German version EN 15478:2009
• DIN EN 15604:2009 Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen; English version of DIN EN 15604:2009-06
• 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 51732:2014 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 EN 15560:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free; English version of DIN EN 15560:2009-06
• DIN ISO 11261:1997 Soil quality - Determination of total nitrogen - Modified Kjeldahl method (ISO 11261:1995)
• DIN EN 15560:2021 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free; German and English version prEN 15560:2021
• DIN EN 13716:2003-05 Surface active agents - Determination of total base nitrogen - Potentiometric titration; German version EN 13716:2001
• DIN EN ISO 16948:2015-09 Solid biofuels - Determination of total content of carbon, hydrogen and nitrogen (ISO 16948:2015); German version EN ISO 16948:2015
• DIN EN ISO 20236:2023 Water quality - Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TN) and dissolved bound nitrogen (DN) after high temperature catalytic oxidative combustion (ISO 20236:2018)
• DIN EN 13716:2003 Surface active agents - Determination of total base nitrogen - Potentiometric titration; German version EN 13716:2001
• DIN EN 15561:2021 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates; German and English version prEN 15561:2021
• DIN EN 15561:2021-12 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates; German and English version prEN 15561:2021 / Note: Date of issue 2021-11-05*Intended as replacement for DIN EN 15561 (2009-06).
• DIN EN 15561:2009-06 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates; German version EN 15561:2009 / Note: To be replaced by DIN EN 15561 (2021-12).
• DIN EN 15561:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates; English version of DIN EN 15561:2009-06
• DIN EN ISO 13395:1996-12 Water quality - Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection (ISO 13395:1996); German version EN ISO 13395:1996
• DIN EN ISO 20236:2023-10 Water quality - Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TN<(Index)b>) and dissolved bound nitrogen (DN<(Index)b>) after high temperature catalytic oxidative combustion (ISO/DIS 2023...
• DIN CEN/TS 15561:2007 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates; German version CEN/TS 15561:2007
• DIN CEN/TS 15560:2007 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free; German version CEN/TS 15560:2007
• DIN ISO 13878:1998 Soil quality - Determination of total nitrogen content by dry combustion ("elemental analysis") (ISO 13878:1998)
• DIN ISO 16462:2005 Cubic boron nitride inserts, tipped or solid - Dimensions, types (ISO 16462:2004);English version of DIN ISO 16462:2005

Association Francaise de Normalisation, total nitrogen form nitrogen

• NF U42-149*NF EN 15604:2009 Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
• NF U42-142*NF EN 15476:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Devarda
• 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 U42-145*NF EN 15559:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Arnd
• NF U42-144*NF EN 15558:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Ulsch
• NF EN ISO 13395:1996 Qualité de l'eau - Détermination de l'azote nitreux et de l'azote nitrique et de la somme des deux par analyse en flux (CFA et FIA) et détection spectrométrique
• NF V04-211:1971 MILK. DETERMINATION OF TOTAL NITROGEN CONTENT. (KJELDAHL METHOD).
• NF U42-147*NF EN 15561:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrate
• NF U42-121*NF EN 15475:2009 Fertilizers - Determination of ammoniacal nitrogen
• NF U42-503*NF EN 15750:2010 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
• NF T90-012*NF EN ISO 13395:1996 Water quality - Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection.
• NF X31-111*NF ISO 11261:1995 Soil quality. Determination of total nitrogen. Modified kjeldahl method.
• NF EN 15478:2009 Engrais - Détermination de l'azote total dans l'urée
• NF U42-100:1965 Products used in agriculture. Nitrogenous fertilizers. Quantity determination of various forms of nitrogen. General presentation.
• NF U42-416*NF EN 15478:2009 Fertilizers - Determination of total nitrogen in urea.
• NF ISO 20620:2022 Engrais et amendements - Détermination de l'azote total par combustion
• NF A06-555:2010 Steel - Determination of nitrogen content - Spectrophotometric method.
• NF U42-151:1984 Fertilizers. Determination of total nitrogen content. Titrimetric method after distillation.
• NF EN 15561:2009 Engrais - Dosage de l'azote total dans la cyanamide calcique nitratée
• NF EN 15604:2009 Engrais - Détermination des différentes formes d'azote dans un même échantillon contenant l'azote sous forme nitrique, ammoniacale, uréique et cyanamidique
• NF X34-117*NF EN ISO 16948:2015 Solid biofuels - Determination of total content of carbon, hydrogen and nitrogen
• NF U42-504*NF ISO 20620:2022 Fertilizers and soil conditioners - Determination of total nitrogen by combustion
• NF T90-236*NF EN ISO 20236:2021 Water quality - Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TNb) and dissolved bound nitrogen (DNb) after high temperature catalytic oxidative combustion
• NF EN ISO 20236:2021 Qualité de l'eau - Dosage du carbone organique total (COT), carbone organique dissous (COD), azote lié total (TNb) et azote lié dissous (DNb) après combustion catalytique oxydante à haute température
• NF EN 15560:2009 Engrais - Dosage de l'azote total dans la cyanamide calcique exempte de nitrate
• NF EN ISO 16948:2015 Biocombustibles solides - Détermination de la teneur totale en carbone, hydrogène et azote
• NF X31-418*NF ISO 13878:1998 Soil quality. Determination of total nitrogen content by dry combustion ("elemental analysis").
• NF T20-296:1970 Chemical analysis of sulphuric acid and oleums. Determination of nitrous nitrogen and nitric nitrogen.
• NF T73-282*NF EN 13716:2002 Surface active agents - Determination of total base nitrogen - Potentiometric titration.
• NF T20-295:1968 CHEMICAL ANALYSIS OF SULPHURIC ACID AND OLEUM. DETERMINATION OF TOTAL NITROGEN.
• NF EN 13716:2002 Agents de surface - Détermination de la teneur en azote total basique - Titrage potentiométrique
• NF E75-309:1978 DIAMOND OR CUBIC BORON NITRIDE GRINDING WHEEL. 20 DEGREES DISHED WHEEL,FORM 12A2.
• NF E75-310:1978 DIAMOND OR CUBIC BORON NITRIDE GRINDING WHEEL. 45 DEGREES DISHED WHEEL,FORM 12A2.
• NF X34-117:2011 Solid biofuels - Determination of total content of carbon, hydrogen and nitrogen - Instrumental methods.
• NF U42-146*NF EN 15560:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free.
• NF ISO 13878:1998 Qualité du sol - Détermination de la teneur totale en azote par combustion sèche ("analyse élémentaire")
• NF E66-317:2004 Cubic boron nitride inserts, tipped or solid - Dimensions, types.
• NF E66-317*NF ISO 16462:2014 Cubic boron nitride inserts, tipped or solid - Dimensions, types
• NF E75-313:1978 DIAMOND OR CUBIC BORON NITRIDE GRINDING WHEEL. TAPERED CUP WHEEL, FORM 11V9.
• NF E75-314:1978 DIAMOND OR CUBIC BORON NITRIDE GRINDING WHEEL. TAPERED CUP WHEEL, FORM 12V9.

European Committee for Standardization (CEN), total nitrogen form 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 15604:2009 Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
• EN 15558:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Ulsch
• EN 15476:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Devarda
• EN 15475:2009 Fertilizers - Determination of ammoniacal nitrogen
• EN 15559:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Arnd
• EN 15478:2009 Fertilizers - Determination of total nitrogen in urea
• EN 15750:2009 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
• EN ISO 20236:2021 Water quality - Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TNb) and dissolved bound nitrogen (DNb) after high temperature catalytic oxidative combustion (ISO 20236:2018)
• EN 15560:2023 Inorganic fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free
• prEN ISO 20236:2021 Water quality - Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TNb) and dissolved bound nitrogen (DNb) after high temperature catalytic oxidative combustion (ISO 20236:2018)
• EN 13716:2001 Surface active agents - Determination of total base nitrogen - Potentiometric titration
• EN ISO 16948:2015 Solid biofuels - Determination of total content of carbon, hydrogen and nitrogen (ISO 16948:2015)
• EN 15104:2011 Solid biofuels - Determination of total content of carbon, hydrogen and nitrogen - Instrumental methods
• EN 15561:2023 Inorganic fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates
• EN ISO 13395:1996 Water Quality - Determination of Nitrite Nitrogen and Nitrate Nitrogen and the Sum of Both by Flow Analysis (CFA and FIA) and Spectrometric Detection

GOSTR, total nitrogen form nitrogen

• GOST R ISO 15604-2019 Fertilizers. Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
• GOST R 58596-2019 Soils. Methods for determination of total nitrogen

Professional Standard - Agriculture, total nitrogen form nitrogen

• NY/T 1116-2014 Fertilizers.Determination of nitrate nitrogen, ammonium nitrogen, amide nitrogen contents
• ZB X 66038-1987 Amino nitrogen determination method
• GB 3597-1983 Determination of nitrate nitrogen content in fertilizers Nitrogen reagent gravimetric method
• NY/T 2542-2014 Fertilizers.Determination of total nitrogen content
• SL/T 788.1-2019 Part 1: Determination of total nitrogen in water quality
• GB 8572-1988 Determination of total nitrogen content in compound fertilizer
• NY/T 1977-2010 Water-suluble fertilizers-Determination of total nitrogen, phosphorus and potassium content
• GB 609-1988 General method for the determination of total nitrogen content of chemical reagents
• GB 3598-1983 Determination of Urea Nitrogen Content in Fertilizers Urease Method
• GB/T 42955-2023 Determination of total nitrogen content in fertilizers Dumas combustion method
• GB 3595-1983 Determination of ammonia nitrogen content in fertilizers Titration method after distillation
• NY/T 1116-2006 Fertilizers-Determination of nitrate nitrogen content.UItraviolet spectro-photometric method
• GB 10511-1989 Determination of total nitrogen content in nitrophosphate fertilizers Titration after distillation

CZ-CSN, total nitrogen form nitrogen

• CSN 65 4330-1997 Nitrogen liquid
• CSN 68 4124-1980 Determination of small mounts of total nitrogen
• CSN 65 4834-1982 Minural Kortilizers Determination of Amid Nitrogon
• CSN 65 4833-1982 Minerál Fertilizers Determination of Nitrie Nitrogen by Titrimetric Method
• CSN 65 4836-1983 Minerál fertilizers Methode for determination of total nitrogen content
• CSN 65 1025 Cast.10-1989 Sulphuric acid for industrial use. pectrophotometric method for the etermination of total nitrogen xides
• CSN 83 0540 Cast.13-1984 Chemical and physical analysis of waste water Determination of organic and total nitrogen

AENOR, total nitrogen form nitrogen

• UNE 77306:1999 SOIL QUALITY. DETERMINATION OF NITRATE NITROGEN, AMMONIUM NITROGEN AND TOTAL SOLUBLE NITROGEN IN AIR-DRY SOIL USING CALCIUM CHLORIDE SOLUTION AS EXTRACTANT.
• UNE-EN 15559:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Arnd
• UNE-EN 15604:2009 Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide 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 15478:2009 Fertilizers - Determination of total nitrogen in urea
• UNE 34080:1974 ANALYSIS METHODS FOR CHOCOLATES. DETERMINATION OF TOTAL NITROGEN. (PROTEINS).
• UNE-EN 13716:2002 Surface active agents - Determination of total base nitrogen - Potentiometric titration.
• UNE-EN 15560:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free
• UNE-EN 15561:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates
• UNE 77325:2003 Soil quality. Determination of total nitrogen content by dry combustion ("elemental analysis").

Korean Agency for Technology and Standards (KATS), total nitrogen form nitrogen

• KS I ISO 14255-2009(2019) Soil quality－Determination of nitrate nitrogen, ammonium nitrogen and total soluble nitrogen in air-dry soils using calcium chloride solution as extractant
• KS M ISO 6851:2002 Photography-Processing waste-Determination of total amino nitrogen-Microdiffusion Kjeldahl method
• KS M ISO 4176-2006(2011) Fertilizers－Determination of nitrate nitrogen content－Nitron gravimetric method
• 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 I ISO 11261:2008 Soil quality-Determination of total nitrogen-Modified Kjeldahl method
• 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 I ISO 14255:2009 Soil quality－Determination of nitrate nitrogen, ammonium nitrogen and total soluble nitrogen in air-dry soils using calcium chloride solution as extractant
• KS H ISO 1871-2013(2018) Agricultural food products ― General directions for the determination of nitrogen by the Kjeldahl method
• KS M ISO 5315-2007(2012) 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 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 4176:2012 Fertilizers－Determination of nitrate nitrogen content－Nitron gravimetric method
• KS M ISO 16948:2021 Solid biofuels — Determination of total content of carbon, hydrogen and nitrogen
• KS M ISO 6851-2002(2022) Photography－Processing waste－Determination of total amino nitrogen－Microdiffusion Kjeldahl method
• KS I ISO 13395-2008(2018) Water quality－Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection
• KS I ISO 13878:2009 Soil quality－Determination of total nitrogen content by dry combustion(“elemental analysis”)
• KS I ISO 13395:2008 Water quality-Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection
• KS M ISO 3332-2017(2022) Ammonium sulphate for industrial use — Determination of ammoniacal nitrogen content — Titrimetric method after distillation
• KS M ISO 15672:2007 Rubber and rubber additives－Determination of total nitrogen content using an automatic analyser
• KS M ISO 15672-2007(2017) Rubber and rubber additives－Determination of total nitrogen content using an automatic analyser

CEN - European Committee for Standardization, total nitrogen form nitrogen

• PD CEN/TS 15559:2007 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Arnd
• PD CEN/TS 15478:2006 Fertilizers - Determination of total nitrogen in urea
• PD CEN/TS 15604:2007 Fertilizers - Determination of different forms of nitrogen in the same sample@ containing nitrogen as nitric@ ammoniacal@ urea and cyanamide nitrogen
• PD CEN/TS 15560:2007 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free
• PD CEN/TS 15561:2007 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates
• PD CEN/TS 15104:2005 Solid biofuels - Determination of total content of carbon@ hydrogen and nitrogen - Instrumental methods

Danish Standards Foundation, total nitrogen form nitrogen

• DS/EN 15559:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Arnd
• DS/EN 15604:2009 Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide 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 223:1991 Water analysis. Determination of the sum of nitrite- and nitrate-nitrogen
• DS/EN 15478:2009 Fertilizers - Determination of total nitrogen in urea
• DS/EN 13342:2001 Characterisation of sludges - Determination of total Kjeldahl nitrogen
• DS/EN 15560:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free
• DS/EN 13716:2002 Surface active agents - Determination of total base nitrogen - Potentiometric titration
• DS/EN 15561:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates
• DS/EN ISO 13395:1997 Water quality - Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection
• DS/ISO 29541:2011 Solid mineral fuels - Determination of total carbon, hydrogen and nitrogen content - Instrumental method
• DS/EN 15104:2011 Solid biofuels - Determination of total content of carbon, hydrogen and nitrogen - Instrumental methods

Lithuanian Standards Office , total nitrogen form nitrogen

• LST EN 15559-2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Arnd
• LST EN 15604-2009 Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide 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 15478-2009 Fertilizers - Determination of total nitrogen in urea
• LST EN 15560-2009 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free
• LST EN 13716-2002 Surface active agents - Determination of total base nitrogen - Potentiometric titration
• LST EN 15561-2009 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates
• LST EN 15104-2011 Solid biofuels - Determination of total content of carbon, hydrogen and nitrogen - Instrumental methods
• LST EN ISO 13395:2000 Water quality - Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection (ISO 13395:1996)
• LST EN ISO 16948:2015 Solid biofuels - Determination of total content of carbon, hydrogen and nitrogen (ISO 16948:2015)

NL-NEN, total nitrogen form nitrogen

• NEN 6646-1990 Water - Photometric determination of the content of ammonium nitrogen and of the sum of the contents of ammoniacal and organically bound nitrogen according to Kjeldahl by continuous flow analysis
• NEN 6482-1982 Water - Determination of the sum of ammoniacal and organically bound nitrogen according to Kjeldahl after mineralization with selenium
• NEN 6481-1983 Water - Determination of the sum of ammoniacal and organically bound nitrogen according to Kjeldahl after mineralization with selenium
• NEN 6642-1992 Water-Calculation of total nitrogen content
• NEN 6641-1983 Sludge - Determination of the sum of ammoniacal and organically bound nitrogen according to Kjeldahl after mineralization with selenium
• NEN 6622-1988 Sludge - Determination of sand and other acidinsoluble material, and the fraction with a partiele size greater than 0,1 mm - Gravimetric method

RO-ASRO, total nitrogen form nitrogen

• STAS 1494-1975 GASEOUS AND LIQUID NITROGEN
• STAS SR 4895-5-1997 Tobacco and tobacco products. Determination of total nitrogen content
• 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
• STAS 9029-1986 DRESSED LEATHERS Determination of total nitrogen and hide snbstance
• STAS SR 13325-1995 Animal feeding stuffs - Determination of total nitrogen content and calculation of crude protein content

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

• GB/T 41965-2022 Photography—Processing waste—Determination of total amino nitrogen(microdiffusion Kjeldahl method)
• GB/T 42487-2023 Soil quality Determination of soil nitrate nitrogen, nitrite nitrogen and ammonium nitrogen potassium chloride solution leaching flow analysis method
• GB/T 42485-2023 Soil quality Determination of soil nitrate nitrogen, nitrite nitrogen and ammonium nitrogen
• GB/T 3597-2002 Fertilizer--Determination of nitrate nitrogen content--Nitron gravimetric method
• GB/T 9506.5-1988 Test method for nitrogen-released and gas-absorbed dynamic curve of nitrogen-doped getter
• GB/T 9823-1988 Method for determination of total nitrogen content in oilseed residues
• GB/T 2441.1-2001 Determination of urea-Determination of 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 3600-2000 Fertilizers-Determination of ammoniacal nitrogen content-Formaldehyde method
• GB/T 32737-2016 Determination of nitrate nitrogen in soil - Ultraviolet spectrophotometry method
• GB/T 2441.1-2008 Determination of urea.Part 1:Total nitrogen content
• GB/T 3598-1983 Fertilizers--Determination of urea nitrogen content--Urease method
• GB/T 23835.12-2009 Lithium perchlorate anhydrous.Part 12:Determination of total nitrogen content
• GB/T 17767.1-1999 Determination of total nitrogen content for organic-inorganic compound fertilizers
• GB/T 3595-2000 Fertilizers-Determination of ammoniacal nitrogen content-Titrimetric method after distillation
• 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
• GB/T 9823-2008 Inspection of grain and oils.Determination of total nitrogen content in plant oilseeds residues
• GB/T 41964-2022 Photography—Processing waste—Determination of ammoniacal nitrogen (microdiffusion method)
• GB/T 8572-2001 Determination of total nitrogen content for compound fertilizers-Titrimetric method after distillation
• GB/T 10511-1989 The determination of total nitrogen content for nitrophosphate titrimetric method after distillation
• GB/T 10511-2008 Determination of tatal nitrogen content for nitrophosphate.Titrimetric method after distillation
• GB/T 10722-2003 Carbon black-Determination of total and external surface area by nitrogen adsorption
• GB/T 8572-2010 Determination of total nitrogen content for compound fertilizers titrimetric method after distillation
• GB/T 10722-2014 Carbon black.Determination of total and external surface area.Nitrogen adsorption test method
• GB/T 12143.2-1989 Determination method for amino nitrogen content in fruit and vegetable juice beverages--Formol number
• 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

Group Standards of the People's Republic of China, total nitrogen form 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/NAIA 001-2020 Determination of ammoniacal nitrogen in fermented feed Kjeldahl method
• T/ZFL 022-2023 Detection method of nitrate nitrogen and ammonium nitrogen uptake in root hair cells of Arabidopsis thaliana based on non-invasive micro-measurement technology
• T/ZFL 022-2022 Detection method of nitrate nitrogen and ammonium nitrogen uptake in root hair cells of Arabidopsis thaliana based on non-invasive micro-measurement technology
• T/CHES 15-2017 Determination of Total Nitrogen in Water Quality Gas Phase Molecular Absorption Spectrometry
• T/GXAS 477-2023 Determination of total nitrogen content in sugarcane juice —sulphuric acid titrimetric method
• T/NJ 1423-2023 Composite flexible electrode for soil nitrate nitrogen determination in agricultural equipment
• T/SDFA 002.4-2023

HU-MSZT, total nitrogen form nitrogen

• MNOSZ 448-27.lap-1955
• MSZ 318/18-1981

PL-PKN, total nitrogen form nitrogen

• PN C04576 ArkusZ14-1973 Water and w?sie water Tes?s for nitrogen Calcula?ion of to?al nitrogen
• PN C04576 ArkusZ12-1973 Water and waste water Tests for nitrogenDetermination of total nitrogen of Kjeldahl
• PN C04576 ArkusZ02-1973 Water and waste water Tests for nitrogen Determination of ammonium nitrogen by titrimetric method
• PN C04576 ArkusZ05-1973 Water and waste water Tests for nitrogen Determination of nitrogen in form of aramonia and ?n form of ammonium ions
• PN C04576 ArkusZ01-1973 Water and waste water Tests for nitrogen Determination of ammonium nitrogen by colorimetric method with Nessler reagent
• PN C04576-10-1986 Water and waste water Tests for nitrogen Determination of nitrate nitrogen by potentiometric method with ion selective electrode
• PN Z04092-05-1990 Air purity protection Tests for nitric acid and nitrogen oxides Determination of nitrogen oxide, dioxide and total nitrogen oxides in waste gases (emission)

BE-NBN, total nitrogen form nitrogen

• NBN T 91-255-1976 Water analysis methods - Determination of the ammoniacal and organic nitrogen - (Kjeldahl nitrogen)
• NBN T 91-252-1976 Water analysis methods - Determination of the ammoniacal nitro-gen after preliminary distillation
• NBN T 03-055-1979 Ammonium nitrate for industrial use - Determination of ammoniacal nitrogen content - Titrimetric method after distillation
• NBN V 21-013-1978 Determination of the total nitrogen contaimng substances content of milk - Amido black method
• NBN T 03-056-1979 Ammonium nitrate for industrial use - Determination of total nitrogen content - Titrimetric method after distillation
• NBN T 91-256-1977 Water analysis methods - Determination of the nitrate nitrogen -Photometric method with chromotropic acid
• NBN T 03-041-1979 Nitric acid for industrial use - Determination of ammoniacal nitrogen content - Spectrophotometric method
• NBN T 03-069-1979 Ammonium sulphate for industrial use - Determination of ammoniacal nitrogen content - Titrimetric method after distillation

Professional Standard - Business, total nitrogen form nitrogen

• SB/T 10318-1999 Analysis of ammoniacal nitrogen

Society of Automotive Engineers (SAE), total nitrogen form nitrogen

• SAE AMS2757A-1996 Gaseous Nitrocarburizing
• SAE AMS2757B-2010 Gaseous Nitrocarburizing
• SAE AMS2757-2011 GASEOUS NITROCARBURIZING
• SAE AMS3015-1985 NITROGEN, LIQUID, PROPELLANT GRADE
• SAE AS27640/1-2011 Bearing, Ball, Airframe, Anti-Friction, Heavy Duty, Corrosion Resistant Nitrogen Steel (CREN)

SAE - SAE International, total nitrogen form nitrogen

• SAE AMS2757C-2019 Gaseous Nitrocarburizing
• SAE AMS2759/13-2018 Gaseous Nitrocarburizing
• SAE AMS2759/12-2007 Gaseous Nitrocarburizing@ Automatically Controlled by Potentials

Taiwan Provincial Standard of the People's Republic of China, total nitrogen form nitrogen

• CNS 14534-2001 Nitrogen fertilizer fluid
• CNS 1436-2001 Mixed Nitrogen Fertilizer(fluid)
• CNS 14747-2003 Method of test for fertilizers(Determination of guanidine nitrogen content)
• CNS 3944-1976 Method for Determination of Total Kjeloahl Nitrogen in Polluted and Waste Water
• CNS 14682-2002 Method of test for fertilizers (Determination of dicyandiamide nitrogen content)
• CNS 2770.6-1986 Method of Test for Feeds : Determination of Volatile BAsic Nitrogen
• CNS 2770-6-1986 Method of Test for Feeds : Determination of Volatile BAsic Nitrogen
• CNS 8991-1982 Chemical Reagent(Ammonium Salt Nitrates and Total Nitrogen Determination)
• CNS 12630-2004 Method of test for fruit and vegetable juices and drinks－Determination of formol nitrogen
• CNS 12965-1992 Method of Test for Hazardous Components in Fertilizers:Determination of Biuret Nitrogen Content

VN-TCVN, total nitrogen form nitrogen

• TCVN 6643-2000 Soil quality.Determination of nitrate nitrogen, ammonium nitrogen and total soluble nitrogen in air-dry soils using calcium chloride solution as extractant
• TCVN 6498-1999 Soil quality.Determination of total nitrogen.Modifierd Kejldahl method
• TCVN 5265-1990 Bee products.Determination of total nitrogen content
• TCVN 7252-2003 Tobacco and tobacco products.Determination of total nitrogen content
• TCVN 7373-2004 Soils quality.Index values of total nitrogen content in the soils of Vietnam
• TCVN 3705-1990 Aquatic products.Method for the determination of total nitrogen and protein content
• TCVN 6645-2000 Soil quality.Determination of total nitrogen content by dry combustion ("elemental analysis")

American Society for Testing and Materials (ASTM), total nitrogen form nitrogen

• 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 D1426-98 Standard Test Methods for Ammonia Nitrogen In Water
• ASTM D1426-03 Standard Test Methods for Ammonia Nitrogen In Water
• ASTM D1426-15 Standard Test Methods for Ammonia Nitrogen In Water
• ASTM D1426-08 Standard Test Methods for Ammonia Nitrogen In Water
• 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 D8083-16(2023) Standard Test Method for Total Nitrogen, and Total Kjeldahl Nitrogen (TKN) by Calculation, in Water by High Temperature Catalytic Combustion and Chemiluminescence Detection
• ASTM D2973-71(2004) Standard Test Method for Total Nitrogen in Peat Materials
• ASTM D2973-10e1 Standard Test Method for Total Nitrogen in Peat Materials
• ASTM D2973-71(1998) Standard Test Method for Total Nitrogen in Peat Materials
• ASTM D2973-10 Standard Test Method for Total Nitrogen in Peat Materials
• ASTM D2973-22 Standard Test Method for Total Nitrogen in Peat Materials
• ASTM D2973-16 Standard Test Method for Total Nitrogen in Peat Materials
• 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 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 D3590-02(2006) Standard Test Methods for Total Kjeldahl Nitrogen in Water
• ASTM D3590-89(1994)e1 Standard Test Methods for Total Kjeldahl Nitrogen in Water
• ASTM UOP432-65T Total Nitrogen in Liquefied Petroleum Gases by Acid Extraction-Kjeldahl Procedure
• ASTM UOP1025-18 Density of Viscous Liquids and Semi-Solid Hydrocarbons by Nitrogen Displacement
• ASTM UOP981-14 Trace Nitrogen in Liquid Hydrocarbons by Oxidative Combustion with Chemiluminescence Detection
• ASTM UOP981-11 Trace Nitrogen in Liquid Hydrocarbons by Oxidative Combustion with Chemiluminescence Detection

Association of Official Analytical Chemists (AOAC), total nitrogen form 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

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

YU-JUS, total nitrogen form nitrogen

• JUS H.F1.013-1986 Nitrogen liguid. Technical reguirements
• JUS H.B8.288-1983 Fertilizers. Determination of content total-nitrogen. Volumetric method
• JUS H.G8.457-1991 Reagents. Potassium sulpbate. Determination of total nltrogen content. Colorlmetrlc metho?
• JUS H.G8.083-1983 Reagents. Sodium chloride. Determination of total nitrogen content. Colorimetric method
• JUS H.G8.435-1990 Reaqents. Potassium iodide. Determination of total nitroaen content. Colorimetric method
• JUS H.G8.055-1983 Reagents. Hydrogen peroxide. Determination of total nitrogen content. Colorimetric method
• JUS H.G8.290-1987 Reagents. Copper(ll) oxide. Determination of total nitrogen content. Colorimetric method
• JUS H.G8.415-1991 Reagents. So?ium hydroxide. Determination of total nitrogen content. Colorimetric 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 E.Z8.016-1993 Soups,broaths,sauces and seasonings - Determination of total nitrogen content
• JUS H.G8.447-1990 Reagents. Zine sulphate heptahydrate. Determination of total nitrogen content. Colorimetric method
• 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.B8.637-1981 Sulphuric acid for industrial use. Determination of ammoniacal nitrogen content. Spectrophotometric method
• JUS H.G8.298-1987 Reagents. Oxaiic acid dihydrate. Determination of total nitrogen content. Colorimetric metbod
• JUS H.G8.261-1987 Reagents. Barium chloride dihydrate. Determination of total nitrogen content. Colorimetric method
• JUS H.G8.064-1983 Reagents. Copper sulphate pentahydrate. Determination of total nitrogen content. Colorimetric method
• JUS H.G8.280-1987 Reagents. lron(ll)sulphate heptahydrate. Determination of total nitrogen content. Colorimetric method
• JUS H.G8.158-1984 Reagents. Sodium carbonate anhydrous and sodium carbonate decahydrate. Determination of total ni-trogen contont. Colorimetric method

International Organization for Standardization (ISO), total nitrogen form nitrogen

• ISO 25475:2016 Fertilizers - Determination of ammoniacal nitrogen
• ISO 11261:1995 Soil quality - Determination of total nitrogen - Modified Kjeldahl method
• ISO 15604:2016 Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
• ISO 3099:1974 Oilseed residues — Determination of total nitrogen content
• ISO 6851:2001 Photography - Processing waste - Determination of total amino nitrogen (microdiffusion Kjeldahl method)
• ISO 14255:1998 Soil quality - Determination of nitrate nitrogen, ammonium nitrogen and total soluble nitrogen in air-dry soils using calcium chloride solution as extractant
• ISO 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 20620:2021 Fertilizers and soil conditioners - Determination of total nitrogen by combustion
• ISO 20236:2018 Water quality - Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TNb) and dissolved bound nitrogen (DNb) after high temperature catalytic oxidative combustion
• ISO 6853:2001 Photography - Processing waste - Determination of ammoniacal nitrogen (microdiffusion method)
• ISO 4176:1981 Fertilizers; Determination of nitrate nitrogen content; Nitron gravimetric method
• ISO 23695:2023 Water quality — Determination of ammonium nitrogen in water — Small-scale sealed tube method
• ISO 16948:2015 Solid biofuels - Determination of total content of carbon, hydrogen and nitrogen
• ISO/CD 20236 Water quality — Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TN b) and dissolved bound nitrogen (DN b) after high temperature catalytic oxidative combustion
• ISO/DIS 20236:2023 Water quality — Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TN b) and dissolved bound nitrogen (DN b) after high temperature catalytic oxidative combustion
• ISO 2991:1974 Nitric acid for industrial use; Determination of ammoniacal nitrogen content; Spectrophotometric method
• ISO 21793:2020 Water quality — Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TNb), dissolved bound nitrogen (DNb), total bound phosphorus (TPb) and dissolved boun
• ISO 3331:1975 Ammonium nitrate for industrial use — Determination of total nitrogen content — Titrimetric method after distillation
• ISO/TS 12902:2001 Solid mineral fuels - Determination of total carbon, hydrogen and nitrogen - Instrumental methods
• ISO/CD 29541:1976 Solid mineral fuels — Determination of total carbon, hydrogen and nitrogen content — Instrumental method
• ISO 13395:1996 Water quality - Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection
• ISO 16462:2004 Cubic boron nitride inserts, tipped or solid - Dimensions, types
• ISO 16462:2014 Cubic boron nitride inserts, tipped or solid - Dimensions, types
• ISO 3330:1975 Ammonium nitrate for industrial use; Determination of ammoniacal nitrogen content; Titrimetric method after distillation
• ISO 3332:1975 Ammonium sulphate for industrial use; Determination of ammoniacal nitrogen content; Titrimetric method after distillation
• ISO 15672:2000 Rubber and rubber additives - Determination of total nitrogen content using an automatic analyser
• ISO 29541:2010 Solid mineral fuels - Determination of total carbon, hydrogen and nitrogen content - Instrumental method

National Metrological Verification Regulations of the People's Republic of China, total nitrogen form nitrogen

• JJG 1094-2013 Water Quality On-line Analyzers of Total Phosphorus and Total Nitrogen

United States Navy, total nitrogen form nitrogen

• NAVY MIL-V-82466 NOTICE 1-1998 VACUUM-AIR-NITROGEN DISTRIBUTION SYSTEM
• NAVY MIL-V-82466 (1)-1971 VACUUM-AIR-NITROGEN DISTRIBUTION SYSTEM
• NAVY MIL-V-82466-1967 VACUUM-AIR-NITROGEN DISTRIBUTION SYSTEM

European Committee for Electrotechnical Standardization（CENELEC）, total nitrogen form nitrogen

• EN 61400-25-1:2007 Fertilizers - Determination of cyanamide nitrogen
• EN 61400-25-1:2017 Wind energy generation systems - Part 25-1: Communications for monitoring and control of wind power plants - Overall description of principles and models

Indonesia Standards, total nitrogen form nitrogen

• SNI 4146-2013
• SNI 13-4721-1998 Methods for determination of total nitrogen content in soils
• SNI 06-6323-2000 Determination of total nitrogen content in peat
• SNI 19-1501-1989 Test methods for total nitrogen oxide in air

NO-SN, total nitrogen form nitrogen

• NS 4745-1991 Water analysis - Determination of the sum of nitrite nitrogen and nitrate nitrogen
• NS 4743-1993 Water analysis. Determination of total nitrogen after oxidation with peroxodisulphate

PT-IPQ, total nitrogen form nitrogen

• NP 3646-1987
• NP 1612-2002 Meat and meat products Determination of nitrogen content Reference method

ZA-SANS, total nitrogen form nitrogen

• SANS 5922:1978 Total moisture content of coal (nitrogen-oven method)
• CKS 51-1967 Nitrogen, technical (liquid and compressed gas)
• CKS 106-1967 SPECIFICATION FOR NITROGEN, HIGH PURITY (LIQUID AND COMPRESSED GAS) (Metric Units)
• SANS 12902:2007 Solid mineral fuels - Determination of total carbon, hydrogen and nitrogen - Instrumental methods
• SANS 13395:1996 Water quality - Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection

U.S. Air Force, total nitrogen form nitrogen

• AIR FORCE MIL-PRF-27720 F-2000 TANK, STORAGE, LIQUID OXYGEN/LIQUID NITROGEN, TMU-24/E
• AIR FORCE A-A-58000-1992 TANK, STORAGE, LIQUID ARGON-NITROGEN-OXYGEN, CRYOGENIC, HORIZONTAL, 3000 AND 6000 GALLON

Professional Standard - Forestry, total nitrogen form nitrogen

• LY/T 1230-1999 Determination of nitrate nitrogen in forest soil
• LY/T 1231-1999 Determination of ammonium nitrogen in forest soil

PH-BPS, total nitrogen form 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

Jiangsu Provincial Standard of the People's Republic of China, total nitrogen form nitrogen

• DB32/T 4541-2023 Sea water quality evaluation guide for total nitrogen and total phosphorus
• DB32/T 2518-2013 Technical specifications for the construction of farmland runoff nitrogen and phosphorus ecological interception ditches and ponds

Heilongjiang Provincial Standard of the People's Republic of China, total nitrogen form nitrogen

• DB23/T 3310-2022 Water quality total nitrogen monitoring technical specification
• DB23/T 2668-2020 Technical regulations for staged diagnosis of total nitrogen fertilizer control in rice

FI-SFS, total nitrogen form nitrogen

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

工业和信息化部, total nitrogen form nitrogen

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

American National Standards Institute （ANSI), total nitrogen form nitrogen

• ANSI/PIMA IT4.47-1998 Photography (Processing) - Effluents - Determination of Total Amino Nitrogen - Microdiffusion 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, total nitrogen form nitrogen

• GB/T 35109-2017 Static test method of nitrogen and oxygen separation for molecular sieves
• GB/T 35479-2017 Superabrasive products—Grinding tools with diamond or cubic boron nitride—General survey and designation

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

• DB37/T 1897-2011 Determination of Soil Nitrate Nitrogen by Ion Chromatography
• DB37/T 2735-2015 Determination of ammonium sulfate content in dry powder fire extinguishing agent Total nitrogen content method

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

• DB12/T 512-2014 Determination method of nitrate nitrogen in soil samples
• DB12/T 1023-2020 Determination of total nitrogen content in organic fertilizers Dumas combustion method

Compressed Gas Association (U.S.), total nitrogen form nitrogen

• CGA M-14-2009 Bulk liquid oxygen and bulk liquid nitrogen trailer change of grade
• CGA P-31-2012 LIQUID OXYGEN, NITROGEN, AND ARGON CRYOGENIC TANKER LOADING SYSTEM

Japanese Industrial Standards Committee (JISC), total nitrogen form nitrogen

• JIS K 0102-2:2022 Testing methods for industrial water and industrial wastewater -- Part 2: Inorganic anions, ammonium ion, organic nitrogen, total nitrogen and total phosphorus

SE-SIS, total nitrogen form nitrogen

• SIS SS 02 81 86-1985 Determination of total arsenic in water - Silver diethyldithiocarbamate spectrometric method
• SIS SS 3569-1987 Abrasive products - Taper cup wheels with diamond or cubic boron nitride - Type 11V9
• SIS SS 02 81 33-1991 Determination of the sum of the nitrite and nitrate nitrogen content of water

TR-TSE, total nitrogen form nitrogen

• TS 974-1971 DETERMINATION OF NITROGEN, TOTAL SULPHUR CHLORINE AND PHOSPHORUS ?N COKE
• TS 2466-1976 Nitric Acit For Industrial Use Determination of Ammoniacal Nitrogen Content Spectrophotoraetric Method

Professional Standard - Environmental Protection, total nitrogen form nitrogen

• HJ/T 102-2003 The technical requirement for water quality automatic analyzer of total nitrogen
• HJ/T 199-2005 Water quality Determination of tota-nitrogen Gas-phase molecular absorption spectrometry

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

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

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

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

BR-ABNT, total nitrogen form nitrogen

• ABNT MB-1146-1979

International Federation of Trucks and Engines, total nitrogen form nitrogen

• NAVISTAR CEMS A-40 SEC B-2014 VOID - Case Hardened Iron And Steel Parts - Aerated Salt Nitriding And Gaseous Ferritic Nitrocarburizing (Includes Appendix)

Association of German Mechanical Engineers, total nitrogen form nitrogen

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

AT-ON, total nitrogen form nitrogen

• ONORM L 1095-2002 Chemical analyses of soils - Determination of total nitrogen by dry combustion
• OENORM EN ISO 20236:2021 Water quality - Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TNb) and dissolved bound nitrogen (DNb) after high temperature catalytic oxidative combustion (ISO 20236:2018)
• ONORM S 7009-1982 Testing of leather; determination of the contents of total nitrogen and of ammonium salts; calculation of hide substance

Professional Standard - Urban Construction, total nitrogen form nitrogen

• CJ/T 77-1999 Municipal sewage.Determination of total nitrogen.Distillation and titration method
• CJ/T 3018.6-1993 Leachate.Determination of ammoniacal nitrogen.Distillation and titration method

Professional Standard - Commodity Inspection, total nitrogen form nitrogen

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

未注明发布机构, total nitrogen form nitrogen

• BS EN ISO 20236:2021(2022) Water quality — Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TNb) and dissolved bound nitrogen (DNb) after high temperature catalytic oxidative combustion
• BS 4267-2:1988(1999) Ammonium nitrate — Part 2 : Method for determination of total nitrogen content
• BS EN ISO 13395:1996(1998) Water quality — Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection

ES-UNE, total nitrogen form nitrogen

• UNE-EN ISO 20236:2022 Water quality - Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TNb) and dissolved bound nitrogen (DNb) after high temperature catalytic oxidative combustion (ISO 20236:2018)
• UNE-EN ISO 16948:2015 Solid biofuels - Determination of total content of carbon, hydrogen and nitrogen (ISO 16948:2015)

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

• DB65/T 602.3-2001 The determinanation of ammonium nitrogen in soil
• DB65/T 602.4-2001 The determinanation of nitrate nitrogen in soil

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

• DB15/T 1458-2018 Method for Determination of pH Value, Organic Acid and Ammonia Nitrogen in Silage

KR-KS, total nitrogen form nitrogen

• KS M ISO 16948-2021 Solid biofuels — Determination of total content of carbon, hydrogen and nitrogen

Professional Standard - Tobacco, total nitrogen form nitrogen

• YC/T 33-1996 Tobacco and tobacco products-Determination of total nitrogen-Kjeldahl method
• YC/T 161-2002 Tobacco and tobacco products----Determination of total nitrogen----Continuous flow method

NATO - North Atlantic Treaty Organization, total nitrogen form nitrogen

• STANAG 3806-1998 Aircraft High Pressure Gaseous Nitrogen Systems Replenishment Connectors (ED 2; To obtain please contact your national Defense Standardization Office or the NATO Standardization Office website: http:/ so.nato.int so@ Phone: +32 (0)2 – 707 5556@ email: nso
• STANAG 3806-1979 Aircraft Gaseous Air/Nitrogen Systems Replenishment Connectors (ED 1 AMD 5; To obtain please contact your national Defense Standardization Office or the NATO Standardization Office website: http:/ so.nato.int so@ Phone: +32 (0)2 – 707 5556@ email: nso@nso

Canadian Standards Association (CSA), total nitrogen form nitrogen

• CAN/CSA-ISO 16948:2015 Solid biofuels - Determination of total content of carbon, hydrogen and nitrogen (First Edition)

Henan Provincial Standard of the People's Republic of China, total nitrogen form nitrogen

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

National Health Commission of the People's Republic of China, total nitrogen form nitrogen

• GB 5009.235-2016 Determination of Amino Acid Nitrogen in Food Safety National Standard Food

TH-TISI, total nitrogen form nitrogen

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

Professional Standard - Petroleum, total nitrogen form nitrogen

• SY/T 6154-1995 Static Nitrogen Adsorption Capacity Method for Determination of Rock Specific Surface and Pore Size Distribution

Universal Oil Products Company (UOP), total nitrogen form nitrogen

• UOP 981-2014 Trace Nitrogen in Liquid Hydrocarbons by Oxidative Combustion with Chemiluminescence Detection

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