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Total Nitrogen and Total Nitrogen

Total Nitrogen and Total Nitrogen, Total:498 items.

In the international standard classification, Total Nitrogen and Total Nitrogen involves: Fertilizers, Water quality, Milk and milk products, Products of the chemical industry, Animal feeding stuffs, Coals, Soil quality. Pedology, Ferroalloys, Farming and forestry, External water conveyance systems, Fuels, Analytical chemistry, Photography, Heat treatment, Iron and steel products, Edible oils and fats. Oilseeds, Wastes, Paints and varnishes, Lubricants, industrial oils and related products, Air quality, Inorganic chemicals, ENVIRONMENT. HEALTH PROTECTION. SAFETY, Rubber, General methods of tests and analysis for food products, Ferrous metals, Beverages, Organic chemicals, Raw materials for rubber and plastics, Occupational safety. Industrial hygiene, Vocabularies, Test conditions and procedures in general, Materials for aerospace construction, Spices and condiments. Food additives, Cereals, pulses and derived products, Cutting tools, Sugar. Sugar products. Starch, Springs, Chipless working equipment, Protection against fire, Non-ferrous metals, Refractories, Leather technology.

PL-PKN, Total Nitrogen and Total 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 ArkusZ11-1973 Water and waste water Tests for nitrogen Determination of organie nitrogen
PN C04576 ArkusZ13-1973 Water and waste water Tests for nilrogen Determination of albuminous nitrogen
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)
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 ArkusZ02-1973 Water and waste water Tests for nitrogen Determination of ammonium nitrogen by titrimetric method
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

German Institute for Standardization, Total Nitrogen and 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 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 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 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 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 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 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 15750:2010 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods; German version EN 15750:2009
DIN EN 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 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 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 CEN/TS 15558:2007 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Ulsch; German version CEN/TS 15558:2007
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 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 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 15558:2009-06 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Ulsch; German version EN 15558:2009
DIN EN 12135:1997-12 Fruit and vegetable juices - Determination of nitrogen content - Kjeldahl method; German version EN 12135:1997
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 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 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 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 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 15561:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates; English version of DIN EN 15561:2009-06
DIN EN ISO 20483:2014-03 Cereals and pulses - Determination of the nitrogen content and calculation of the crude protein content - Kjeldahl method (ISO 20483:2013); German version EN ISO 20483:2013
DIN 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 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

Danish Standards Foundation, Total Nitrogen and 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 223:1991 Water analysis. Determination of the sum of nitrite- and nitrate-nitrogen
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 15478:2009 Fertilizers - Determination of total nitrogen in urea
DS/EN 15476:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Devarda
DS/EN 15558:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Ulsch
DS/EN 15559:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Arnd
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/EN 13342:2001 Characterisation of sludges - Determination of total Kjeldahl nitrogen
DS/EN 12135:1998 Fruit and vegetable juices - Determination of nitrogen content - Kjeldahl method
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
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/ISO 1871:2009 Food and feed products - General guidelines for the determination of nitrogen by the Kjeldahl method
DS/EN ISO 20483:2007 Cereals and pulses - Determination of the nitrogen content and calculation of the crude protein content - Kjeldahl method
DS/EN 16168:2013 Sludge, treated biowaste and soil - Determination of total nitrogen using dry combustion method

Lithuanian Standards Office , Total Nitrogen and 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 15604-2009 Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
LST EN 15478-2009 Fertilizers - Determination of total nitrogen in urea
LST EN 15476-2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Devarda
LST EN 15558-2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Ulsch
LST EN 15559-2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Arnd
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 12135-2001 Fruit and vegetable juices - Determination of nitrogen content - Kjeldahl method
LST EN 15104-2011 Solid biofuels - Determination of total content of carbon, hydrogen and nitrogen - Instrumental methods
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 ISO 16948:2015 Solid biofuels - Determination of total content of carbon, hydrogen and nitrogen (ISO 16948:2015)
LST EN 15561-2009 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates
LST EN ISO 3188:2000 Starches and derived products - Determination of nitrogen content by the Kjeldahl method - Titrimetric method (ISO 3188:1978)
LST EN 16168-2012 Sludge, treated biowaste and soil - Determination of total nitrogen using dry combustion method

AENOR, Total Nitrogen and Total Nitrogen

UNE-EN 15750:2010 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
UNE 77318:2001 Soil quality. Determination of total nitrogen. Modified Kjeldahl method.
UNE-EN 15604:2009 Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide 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 15478:2009 Fertilizers - Determination of total nitrogen in urea
UNE-EN 15476:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Devarda
UNE-EN 15558:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Ulsch
UNE-EN 15559:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Arnd
UNE-EN 12135:1998 Fruit and vegetable juices - Determination of nitrogen content - Kjeldahl method
UNE-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. (ISO 13395:1996).
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-EN ISO 3188:1995 STARCHES AND DERIVED PRODUCTS. DETERMINATION OF NITROGEN CONTENT BY THE KJELDAHL METHOD. TITRIMETRIC METHOD. (ISO 3188:1978).

Military Standard of the People's Republic of China-General Armament Department, Total Nitrogen and Total Nitrogen

GJB 2253A-2008 Safe application rules for gaseous nitrogen and liquid nitrogen
GJB 2253-1994 Guidelines for safe use of nitrogen and liquid nitrogen
GJB 3403-1998 Nitrogen and Liquid Nitrogen Specifications
GJB 2252A-2008 Safe application rules for nitrogen tetroxide
GJB 2252-1994 Guidelines for safe application of dinitrogen tetroxide

Group Standards of the People's Republic of China, Total Nitrogen and 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/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

HU-MSZT, Total Nitrogen and Total Nitrogen

Association Francaise de Normalisation, Total Nitrogen and Total Nitrogen

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 U42-503*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 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 ISO 11261:1995 Qualité du sol - Dosage de l'azote total - Méthode de Kjeldahl modifiée.
NF X31-111*NF ISO 11261:1995 Soil quality. Determination of total nitrogen. Modified kjeldahl method.
NF ISO 20620:2022 Engrais et amendements - Détermination de l'azote total par combustion
NF EN 15478:2009 Engrais - Détermination de l'azote total dans l'urée
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 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 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 U42-504*NF ISO 20620:2022 Fertilizers and soil conditioners - Determination of total nitrogen by combustion
NF U42-416*NF EN 15478:2009 Fertilizers - Determination of total nitrogen in urea.
NF EN 12135:1997 Jus de fruits et de légumes - Dosage de l'azote - Méthode de Kjeldahl.
NF EN ISO 16948:2015 Biocombustibles solides - Détermination de la teneur totale en carbone, hydrogène et azote
NF U42-142*NF EN 15476:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Devarda
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 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 T20-295:1968 CHEMICAL ANALYSIS OF SULPHURIC ACID AND OLEUM. DETERMINATION OF TOTAL NITROGEN.
NF X34-117*NF EN ISO 16948:2015 Solid biofuels - Determination of total content of carbon, hydrogen and nitrogen
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 A02-052:2021 Tools and mechanical parts - Nitriding and nitrocarburizing of ferrous products
NF EN 15560:2009 Engrais - Dosage de l'azote total dans la cyanamide calcique exempte de nitrate
NF EN ISO 3188:1994 Amidons, fécules et produits dérivés - Dosage de l'azote selon la méthode de Kjeldahl - Méthode titrimétrique.
NF X31-418*NF ISO 13878:1998 Soil quality. Determination of total nitrogen content by dry combustion ("elemental analysis").
NF ISO 1871:2009 Produits alimentaires et aliments des animaux - Lignes directrices générales pour le dosage de l'azote selon la méthode de Kjeldahl
NF T73-282*NF EN 13716:2002 Surface active agents - Determination of total base nitrogen - Potentiometric titration.
NF EN 13716:2002 Agents de surface - Détermination de la teneur en azote total basique - Titrage potentiométrique
NF EN ISO 20483:2014 Céréales et légumineuses - Détermination de la teneur en azote et calcul de la teneur en protéines brutes - Méthode de Kjeldahl
NF E75-300:1990 Diamond or cubic boron nitride grinding wheels. General survey : designation - Marking.
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 EN 16168:2012 Boues, biodéchets traités et sols - Détermination de la teneur totale en azote par combustion sèche
NF V03-750:2007 Cereals and pulses - Determination of the nitrogen content and calculation of the crude protein content - Kjeldahl method.
NF EN 13654-1:2002 Amendements du sol et supports de culture - Détermination de l'azote - Partie 1 : méthode de Kjeldahl modifiée

British Standards Institution (BSI), Total Nitrogen and Total Nitrogen

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 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 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
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 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
DD CEN/TS 15559:2007 Fertilizers. Determination of nitric and ammoniacal nitrogen according to Arnd
BS 5551-4.1.3:1986 Fertilizers. Chemical analysis. Determination of nitrogen. Method for determination of total nitrogen content (titrimetric method after distillation)
BS EN ISO 16948:2015 Solid biofuels. Determination of total content of carbon, hydrogen and nitrogen
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 EN 15558:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Ulsch
BS EN ISO 13395:1996 Water quality - Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection
BS EN 15476:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Devarda
BS ISO 29541:2010 Solid mineral fuels. Determination of total carbon, hydrogen and nitrogen content. Instrumental method
BS DD CEN/TS 15476:2006 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Devarda
BS 4267-2:1988 Ammonium nitrate - Method for determination of total nitrogen content
BS EN 15104:2011 Solid biofuels. Determination of total content of carbon, hydrogen and nitrogen. Instrumental methods
20/30419338 DC BS EN ISO 20620. Fertilizers and soil conditioners. Determination of total nitrogen by combustion
DD CEN/TS 15560:2007 Fertilizers. Determination of total nitrogen in calcium cyanamide nitrate free
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
BS EN 15559:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Arnd
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
DD ENV 12260-1996 Water quality. Determination of nitrogen. Determination of bound nitrogen, after combustion and oxidation to nitrogen dioxide, using chemiluminescence detection
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
DD ISO/TS 17837:2008 Milk and milk products. Determination of nitrogen content and crude protein calculation. Kjeldahl method
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 13716:2002 Surface active agents - Determination of total base nitrogen - Potentiometric titration
21/30442090 DC BS EN 15561. Fertilizers. Determination of total nitrogen in calcium cyanamide containing nitrates
DD ISO/TS 12902:2002 Solid mineral fuels. Determination of total carbon, hydrogen and nitrogen. Instrumental methods
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
BS ISO 15672:2000 Rubber and rubber additives - Determination of total nitrogen content using an automatic analyser

European Committee for Standardization (CEN), Total Nitrogen and 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 15604:2009 Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
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
EN 15558:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Ulsch
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 15476:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Devarda
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 ISO 13395:1996 Water Quality - Determination of Nitrite Nitrogen and Nitrate Nitrogen and the Sum of Both by Flow Analysis (CFA and FIA) and Spectrometric Detection
EN ISO 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
DD ENV 12 260-1996 Water Quality - Determination of Nitrogen - Determination of Bound Nitrogen, After Combustion and Oxidation to Nitrogen Dioxide, Using Chemiluminescence Detection
EN 15560:2023 Inorganic fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free
EN 15559:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Arnd
EN 13716:2001 Surface active agents - Determination of total base nitrogen - Potentiometric titration
EN ISO 8968-4:2016 Milk and milk products - Determination of nitrogen content - Part 4: Determination of protein and non-protein nitrogen content and true protein content calculation (Reference method)
EN 15561:2023 Inorganic fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates

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

GB/T 8979-2008 Pure nitrogen and high purity nitrogen and ultra pure nitrogen
GB/T 41965-2022 Photography—Processing waste—Determination of total amino nitrogen(microdiffusion Kjeldahl method)
GB/T 5687.4-2016 Nitrogen-bearing ferrochromium and nitride ferrochrome with high nitrogen content.Determination of nitrogen content.The distillation-neutralization titration method
GB/T 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 16187-1996 Health standard for hydrazoic acid and sodium azide in the air of workplace
GB/T 24583.3-2009 Vanadium-Nitrogen alloy.Determination of nitrogen content.The distillation-neutralization titration method
GB/T 10722-2003 Carbon black-Determination of total and external surface area by nitrogen adsorption
GB/T 10722-2014 Carbon black.Determination of total and external surface area.Nitrogen adsorption test method
GB/T 2441.1-2008 Determination of urea.Part 1:Total nitrogen content
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 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 9823-2008 Inspection of grain and oils.Determination of total nitrogen content in plant oilseeds residues
GB/T 8572-2001 Determination of total nitrogen content for compound fertilizers-Titrimetric method after distillation
GB/T 10511-1989 The determination of total nitrogen content for nitrophosphate titrimetric method after distillation
GB/T 10511-2008 Determination of tatal nitrogen content for nitrophosphate.Titrimetric method after distillation
GB/T 8572-2010 Determination of total nitrogen content for compound fertilizers titrimetric method after distillation
GB/T 33392-2016 Leather and fur.Chemical tests.Determination of 4-aminoazobenzene derived from azo colorants

NO-SN, Total Nitrogen and Total 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
NS 4865-1983 Air quality - Determination of the sum of nitrite- and nitrate-nitrogen in precipitation

RU-GOST R, Total Nitrogen and Total 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 26715-1985 Organic fertilizers. Methods for determination of total nitrogen
GOST EN 15604-2013 Fertilizers. Determination of different forms of nitrogen in the same sample: nitric, ammoniacal, cyanamide and urea nitrogen
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 11827-1977 Diazol scarlet K and diazol pink O. Specifications
GOST 30181.3-1994 Mineral fertilizers. Method for determination of mass fraction of nitrogen in fertilizers with nitrate nitrogen
GOST 16698.13-1993 Metallic manganese and nitrated manganese. Method for determination of nitrogen
GOST EN 15476-2013 Fertilizers. Determination of nitric and ammoniacal nitrogen according to Devarda
GOST 15972-1979 Diazol orange O and diazol scarlet 2ZH. Specifications
GOST EN 15559-2013 Fertilizers. Determination of nitric and ammoniacal nitrogen according to Arnd
GOST 16698.13-1984 Metallic manganese. Method for determination of nitrogen
GOST EN 15558-2013 Fertilizers. Determination of nitric and ammoniacal nitrogen according to Ulsch selon
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 R 53001-2008 Diamond and cubic boron nitride (elbor) tools. Safety requirements
GOST 32406-2013 Diamond and cubic boron nitride tools. Safety requirements
GOST R 55246-2012 Milk and milk products. Determination of non-protein nitrogen content by Kjeldahl method
GOST 32985-2014 Solid biofuels. Determination of carbon, hydrogen and nitrogen by instrumental methods
GOST R 54216-2010 Solid biofuels. Determination of total content of carbon, hydrogen and nitrogen by instrumental methods
GOST 9293-1974 Gaseous and liquid nitrogen. Specifications
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 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 14338.4-1982 Molybdenum. Methods for determination of nitrogen, oxygen and hydrogen
GOST 14339.4-1982 Tungsten. Methods for the determination of nitrogen, oxygen, hydrogen

VN-TCVN, Total Nitrogen and Total Nitrogen

TCVN 6498-1999 Soil quality.Determination of total nitrogen.Modifierd Kejldahl method
TCVN 5265-1990 Bee products.Determination of total nitrogen content
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 7252-2003 Tobacco and tobacco products.Determination of total nitrogen content
TCVN 3705-1990 Aquatic products.Method for the determination of total nitrogen and protein content
TCVN 7373-2004 Soils quality.Index values of total nitrogen content in the soils of Vietnam
TCVN 6645-2000 Soil quality.Determination of total nitrogen content by dry combustion ("elemental analysis")

American Society for Testing and Materials (ASTM), Total Nitrogen and Total 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 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 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 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 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 C1494-13(2018) Standard Test Methods for Determination of Mass Fraction of Carbon, Nitrogen, and Oxygen in Silicon Nitride Powder
ASTM D6556-10 Standard Test Method for Carbon Black-Total and External Surface Area by Nitrogen Adsorption
ASTM D6556-04 Standard Test Method for Carbon Black-Total and External Surface Area by Nitrogen Adsorption
ASTM UOP432-65T Total Nitrogen in Liquefied Petroleum Gases by Acid Extraction-Kjeldahl Procedure
ASTM D6556-00a Standard Test Method for Carbon Black8212;Total and External Surface Area by Nitrogen Adsorption
ASTM D6556-01a Standard Test Method for Carbon Black8212;Total and External Surface Area by Nitrogen Adsorption
ASTM D6556-01 Standard Test Method for Carbon Black8212;Total and External Surface Area by Nitrogen Adsorption
ASTM D6556-19a Standard Test Method for Carbon Black—Total and External Surface Area by Nitrogen Adsorption
ASTM D6556-19 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

Association of Official Analytical Chemists (AOAC), Total Nitrogen and 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

Jilin Provincial Standard of the People's Republic of China, Total Nitrogen and Total Nitrogen

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

Korean Agency for Technology and Standards (KATS), Total Nitrogen and Total Nitrogen

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 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 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(2017) Photography－Processing waste－Determination of total amino nitrogen－Microdiffusion Kjeldahl method
KS M ISO 6851:2002 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 M ISO 16948:2021 Solid biofuels — Determination of total content of carbon, hydrogen and nitrogen
KS M 1047-2019 Nitrogen monoxide and nitrogen dioxide(standard reference materials)
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 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 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 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
KS M ISO 6851-2002(2022) Photography－Processing waste－Determination of total amino nitrogen－Microdiffusion Kjeldahl method
KS M ISO 15672-2007(2022) Rubber and rubber additives－Determination of total nitrogen content using an automatic analyser
KS I ISO 13878:2009 Soil quality－Determination of total nitrogen content by dry combustion(“elemental analysis”)

Jiangsu Provincial Standard of the People's Republic of China, Total Nitrogen and Total Nitrogen

DB32/T 4541-2023 Sea water quality evaluation guide for total nitrogen and total phosphorus

US-FCR, Total Nitrogen and Total Nitrogen

FCR AF 91-67-1997 LIQUID NITROGEN AND OXYGEN SAFETY
FCR COE ETL 1110-2-239-1978 NITROGEN SUPERSATURATION

工业和信息化部, Total Nitrogen and Total Nitrogen

YB/T 4582.7-2017 Determination of total nitrogen content of ferrous silicon nitride by neutralization titration method
HG/T 5669-2019 Determination of total nitrogen in textile dyeing and finishing auxiliaries
YB/T 4528-2016 Determination of nitrogen content in ferrochromium nitride and high nitrogen ferrochrome by inert gas melting thermal conductivity method
YB/T 4566.2-2016 Determination of nitrogen content of vanadium iron nitride, distillation and separation-acid-base neutralization titration method

GOSTR, Total Nitrogen and Total 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

International Organization for Standardization (ISO), Total Nitrogen and Total Nitrogen

ISO 11261:1995 Soil quality - Determination of total nitrogen - Modified 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 3099:1974 Oilseed residues — Determination of total nitrogen content
ISO 20620:2021 Fertilizers and soil conditioners - Determination of total nitrogen by combustion
ISO 16948:2015 Solid biofuels - Determination of total content of carbon, hydrogen and nitrogen
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/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 15604:2016 Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
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 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 5315:1984 Fertilizers; 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 15672:2000 Rubber and rubber additives - Determination of total nitrogen content using an automatic analyser
ISO 1871:2009 Food and feed products - General guidelines for the determination of nitrogen by the Kjeldahl method
ISO/TS 17837:2008 | IDF/RM 25: 2008 Processed cheese products — Determination of nitrogen content and crude protein calculation — Kjeldahl method
ISO 3331:1975 Ammonium nitrate for industrial use — Determination of total nitrogen content — Titrimetric method after distillation
ISO/DIS 21068-2 Chemical analysis of raw materials and refractory products containing silicon-carbide, silicon-nitride, silicon-oxynitride and sialon — Part 2: Determination of volatile components, total carbon, free carbon, silicon carbide, total and free silicon, free
ISO 914:1977 Sulphuric acid and oleum for industrial use; Determination of total nitrogen content; Titrimetric method after distillation
ISO 8968-1:2014 | IDF 20-1:2014 Milk and milk products — Determination of nitrogen content — Part 1: Kjeldahl principle and crude protein calculation

CZ-CSN, Total Nitrogen and Total Nitrogen

CSN 68 4124-1980 Determination of small mounts of total nitrogen
CSN 65 4836-1983 Minerál fertilizers Methode for determination of total nitrogen content
CSN 42 2291-1979 Metallic and nitrided manganese
CSN 83 0540 Cast.13-1984 Chemical and physical analysis of waste water Determination of organic and total nitrogen
CSN 07 8620-1969 Valve for cylinders for oxygen and nitrogen
CSN 58 0703-7-1999 Testing methods of dehydrated products and seasonings - Part 7: Determinaton of total nitrogen
CSN 65 1025 Cast.10-1989 Sulphuric acid for industrial use. pectrophotometric method for the etermination of total nitrogen xides

NL-NEN, Total Nitrogen and Total Nitrogen

NEN 6642-1992 Water-Calculation of total nitrogen content
NEN 6646-1990 Water - Photometric determination of the content of ammonium nitrogen and of the sum of the contents of ammoniacal and organically bound nitrogen according to Kjeldahl by continuous flow analysis
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

National Metrological Verification Regulations of the People's Republic of China, Total Nitrogen and Total Nitrogen

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

Professional Standard - Agriculture, Total Nitrogen and Total Nitrogen

NY/T 2419-2013 Determination of total nitrogen in plant.Automatic kjeldahl apparatus method
NY/T 2542-2014 Fertilizers.Determination of total nitrogen content
ZB X 66026-1987 Total Nitrogen and Crude Protein Determination
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 297-1995 Determination of Total Nitrogen in Organic Fertilizers
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
NY/T 1121.24-2012 Soil testing.Part 24:Determination of total nitrogen in soil.Automatic kjeldahl apparatus method
GB/T 42955-2023 Determination of total nitrogen content in fertilizers Dumas combustion method
NY/T 53-1987 Method for the determination of soil total nitrogen(Semi-micro Kjeldahl method)
GB 7173-1987 Determination of total nitrogen in soil (semi-micro Kelvin method)
GB 10511-1989 Determination of total nitrogen content in nitrophosphate fertilizers Titration after distillation

Indonesia Standards, Total Nitrogen and Total 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

PT-IPQ, Total Nitrogen and Total Nitrogen

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

ZA-SANS, Total Nitrogen and Total Nitrogen

SANS 5922:1978 Total moisture content of coal (nitrogen-oven method)
SANS 13395:1996 Water quality - Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection
SANS 12902:2007 Solid mineral fuels - Determination of total carbon, hydrogen and nitrogen - Instrumental methods

RO-ASRO, Total Nitrogen and Total Nitrogen

STAS SR 4895-5-1997 Tobacco and tobacco products. Determination of total nitrogen content
SR 184-25-1998 Ethyl alcohol. Determination of ammonia and azotic bases nitrogen content
STAS 9029-1986 DRESSED LEATHERS Determination of total nitrogen and hide snbstance
STAS 1494-1975 GASEOUS AND LIQUID NITROGEN
STAS SR 13325-1995 Animal feeding stuffs - Determination of total nitrogen content and calculation of crude protein content
SR ISO 5315:1984 Fertilizers. Determination of totai nitrogen content.Titrimetric method after distilation
STAS 6513-1978 FISH AND FISH PRODUCTS Nitrogen determination

TR-TSE, Total Nitrogen and Total Nitrogen

TS 974-1971 DETERMINATION OF NITROGEN, TOTAL SULPHUR CHLORINE AND PHOSPHORUS ?N COKE

CEN - European Committee for Standardization, Total Nitrogen and Total Nitrogen

PD CEN/TS 15478:2006 Fertilizers - Determination of total nitrogen in urea
PD CEN/TS 15476:2006 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Devarda
PD CEN/TS 15558:2007 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Ulsch
PD CEN/TS 15559:2007 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Arnd
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 15104:2005 Solid biofuels - Determination of total content of carbon@ hydrogen and nitrogen - Instrumental methods
PD CEN/TS 15560:2007 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free
EN ISO 8968-4:2001 Milk - Determination of Nitrogen Content - Part 4: Determination of Non-Protein Nitrogen Content
PD CEN/TS 15561:2007 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates

Heilongjiang Provincial Standard of the People's Republic of China, Total Nitrogen and Total 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

Japanese Industrial Standards Committee (JISC), Total Nitrogen and Total Nitrogen

JIS K 0808:2008 Automatic total nitrogen analyzer
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
JIS B 6915:1999 Process of nitriding and nitrocarburizing of iron and steel
JIS K 0516:1995 Nitrogen monoxide and nitrogen dioxide (Standard reference materials)
JIS B 6915 AMD 1:2010 Process of nitriding and nitrocarburizing of iron and steel (Amendment 1)
JIS B 6915:1993 Nitriding and nitrocarburizing of iron and steel

Liaoning Provincial Standard of the People's Republic of China, Total Nitrogen and Total Nitrogen

DB21/T 616-1991 Plant total nitrogen determination method

BE-NBN, Total Nitrogen and Total Nitrogen

NBN T 91-255-1976 Water analysis methods - Determination of the ammoniacal and organic nitrogen - (Kjeldahl nitrogen)
NBN T 03-019-1979 Sulphuric acid and oleum for industrial use - Determination of total 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

YU-JUS, Total Nitrogen and Total Nitrogen

JUS H.B8.288-1983 Fertilizers. Determination of content total-nitrogen. Volumetric method
JUS E.Z8.016-1993 Soups,broaths,sauces and seasonings - Determination of total nitrogen content
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 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.G8.158-1984 Reagents. Sodium carbonate anhydrous and sodium carbonate decahydrate. Determination of total ni-trogen contont. Colorimetric 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

Taiwan Provincial Standard of the People's Republic of China, Total Nitrogen and Total Nitrogen

CNS 3944-1976 Method for Determination of Total Kjeloahl Nitrogen in Polluted and Waste Water
CNS 8991-1982 Chemical Reagent(Ammonium Salt Nitrates and Total Nitrogen Determination)

Professional Standard - Aerospace, Total Nitrogen and Total Nitrogen

QJ 2298-1992修改单 Safety technical specification for nitrogen
QJ 3255-2005 Green dinitrogen tetroxide safe use regulations

Association of German Mechanical Engineers, Total Nitrogen and Total Nitrogen

VDI 2456-2004 Stationary source emissions - Reference method for determination of the sum of nitrogen monoxide and nitrogen dioxide - Ion chromatography method
VDI 3003 Blatt 3-2013 Nitrogen gas springs in large stamping dies - Nitrogen gas springs with enhanced force and low height

未注明发布机构, Total Nitrogen and Total Nitrogen

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
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
DIN EN 13236:2001 Safety requirements for DIN grinding tools with diamond or boron nitride

KR-KS, Total Nitrogen and Total Nitrogen

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

ES-UNE, Total Nitrogen and Total Nitrogen

UNE-EN ISO 16948:2015 Solid biofuels - Determination of total content of carbon, hydrogen and nitrogen (ISO 16948:2015)
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 16168:2012 Sludge, treated biowaste and soil - Determination of total nitrogen using dry combustion method (Endorsed by AENOR in October of 2012.)

Professional Standard - Forestry, Total Nitrogen and Total Nitrogen

LY/T 1228-1999 Determination of total nitrogen in forest soil

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 and Total Nitrogen

GB/T 33862-2017 Automatic（semi）Kjeldahl analyzer

SE-SIS, Total Nitrogen and Total Nitrogen

SIS SS 02 81 86-1985 Determination of total arsenic in water - Silver diethyldithiocarbamate spectrometric method
SIS SS 02 81 33-1991 Determination of the sum of the nitrite and nitrate nitrogen content of water
SIS 14 22 40-1975 Steel for hardening and tempering and for nitriding

Professional Standard - Environmental Protection, Total Nitrogen and Total 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
HJ 479-2009 Ambient air.Determination of nitrogen oxides.N-(1-Naphthyl)ethylene diamine dihydrochloride spectrophotometric method
HJ 717-2014 Soil quality.Determination of total nitrogen.Modified Kjeldahl method
HJ 479-2009(XG1-2018) Determination of nitrogen oxides (nitrogen monoxide and nitrogen dioxide) in ambient air Spectrophotometric method of naphthalene ethylenediamine hydrochloride "No. 1 Amendment"

Hebei Provincial Standard of the People's Republic of China, Total Nitrogen and Total 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 and Total Nitrogen

GB/T 40723-2021 Rubber—Determination the contents of total sulfur and total nitrogen — Automatic analyser method
GB/T 24583.3-2019 Vanadium-nitrogen—Determination of nitrogen content—Distillation-neutralization titration method

Chongqing Provincial Standard of the People's Republic of China, Total Nitrogen and Total Nitrogen

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

Compressed Gas Association (U.S.), Total Nitrogen and Total Nitrogen

CGA SB-6-2014 Nitrous oxide security and control
CGA G-8.3-2013 SAFGE PRACTICES FOR STORAGE AND HANDLING OF NITROUS OXIDE
CGA G-8.3-2016 Safe practices for storage amd handling of nitrous oxide
CGA P-9-2008 The inert gases: argon, nitrogen, and helium

US-COE, Total Nitrogen and Total Nitrogen

COE ETL 1110-2-239-1978 NITROGEN SUPERSATURATION

Professional Standard - Ferrous Metallurgy, Total Nitrogen and Total Nitrogen

YB/T 4530-2016 Nitrogen-bearing ferromanganese.Determination of nitrogen content.The distillation-neutralization titration method

Henan Provincial Standard of the People's Republic of China, Total Nitrogen and Total Nitrogen

DB41/T 1816-2019 Technical regulations for identification and evaluation of nitrogen utilization and low nitrogen tolerance in maize
DB41/T 2406-2023 Requirements for Safety Prevention and Control of Boiler Low Nitrogen Transformation
DB4112/T 308-2022 Laboratory safety technical specifications for the use of liquid nitrogen
DB41/T 1704-2018 Determination of total nitrogen content in compound fertilizers Dumas combustion method

AT-ON, Total Nitrogen and Total Nitrogen

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 L 1095-2002 Chemical analyses of soils - Determination of total nitrogen by dry combustion
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 and Total Nitrogen

CJ/T 77-1999 Municipal sewage.Determination of total nitrogen.Distillation and titration method

Professional Standard - Commodity Inspection, Total Nitrogen and Total Nitrogen

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

(U.S.) Ford Automotive Standards, Total Nitrogen and Total Nitrogen

FORD W-HT4-2-1995 CARBONITRIDING ANND HARDENING
FORD FLTM EU-BA 054-01-2000 METAL FOIL METHOD FOR DETERMINATION OF C- AND N-POTENTIAL OF CARBURIZING AND CARBONITRIDING FURNACE ATMOSPHERES

Professional Standard - Tobacco, Total Nitrogen and Total 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

Standard Association of Australia （SAA）, Total Nitrogen and Total Nitrogen

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 ISO 8968.1:2021 Milk and milk products — Determination of nitrogen content, Part 1: Kjeldahl principle and crude protein calculation

SAE - SAE International, Total Nitrogen and Total Nitrogen

SAE AMS-S-6090-1998 Steel Carburizing and Nitriding@ Processes for
SAE AMS-S-6090B-2006 Steel Carburizing and Nitriding@ Processes for

PH-BPS, Total Nitrogen and Total Nitrogen

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

Tianjin Provincial Standard of the People's Republic of China, Total Nitrogen and Total Nitrogen

DB12/T 1023-2020 Determination of total nitrogen content in organic fertilizers Dumas combustion method

Shandong Provincial Standard of the People's Republic of China, Total Nitrogen and Total Nitrogen

DB37/T 2485-2014 Technical conditions for full (semi) automatic Kjeldahl nitrogen analyzer
DB37/T 2735-2015 Determination of ammonium sulfate content in dry powder fire extinguishing agent Total nitrogen content method

North Atlantic Treaty Organization Standards Agency, Total Nitrogen and Total Nitrogen

STANAG 3624-2005 NITROGEN AND REPLENISHMENT EQUIPMENT CHARACTERISTICS

Canadian Standards Association (CSA), Total Nitrogen and Total Nitrogen

CAN/CSA-ISO 16948:2015 Solid biofuels - Determination of total content of carbon, hydrogen and nitrogen (First Edition)
CSA Z223.24 -M1983-1983 Method for the Measurement of Nitric Oxide and Nitrogen Dioxide in Air General Instruction No 1 R(1999)

AIAA - American Institute of Aeronautics and Astronautics, Total Nitrogen and Total Nitrogen

SP-086-2001 Fire@ Explosion@ Compatibility@ and Safety Hazards of Nitrogen Tetroxide

BG-BDS, Total Nitrogen and Total Nitrogen

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

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

GBZ/T 300.43-2017 Determination of Toxic Substances in Workplace Air - Part 43: Azide and Sodium Azide

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NAVY FED-STD-131 C VALID NOTICE 1-1992 DIAZOTYPE PAPER SHEET AND ROLL SIZES [Use In Lieu Of: NAVY FED-STD-00131 E]
NAVY FED-STD-00131 E-1976 DIAZOTYPE PAPER SHEET AND ROLL SIZES
NAVY FED-STD-131 C-1968 DIAZOTYPE PAPER SHEET AND ROLL SIZES

International Dairy Federation (IDF), Total Nitrogen and Total Nitrogen

IDF 20-1-2014 Milk and milk products - Determination of nitrogen content - Part 1: Kjeldahl principle and crude protein calculation