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Total Nitrogen Test Nitrate

Total Nitrogen Test Nitrate, Total:499 items.

In the international standard classification, Total Nitrogen Test Nitrate involves: Fertilizers, Inorganic chemicals, Analytical chemistry, Water quality, Vocabularies, Soil quality. Pedology, Milk and milk products, Animal feeding stuffs, Coals, Air quality, Farming and forestry, External water conveyance systems, Fuels, Organic chemicals, Edible oils and fats. Oilseeds, Products of the chemical industry, Environmental testing, Photography, Lubricants, industrial oils and related products, Biology. Botany. Zoology, Wastes, Ferrous metals, General methods of tests and analysis for food products, Rubber, Test conditions and procedures in general, Agricultural machines, implements and equipment, Spices and condiments. Food additives, Aircraft and space vehicles in general, Pulps, Raw materials for rubber and plastics, Leather technology, Protection against fire.

Danish Standards Foundation, Total Nitrogen Test Nitrate

DS 223:1991 Water analysis. Determination of the sum of nitrite- and nitrate-nitrogen
DS/EN 15750:2010 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
DS/EN 15604:2009 Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
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 15560:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free
DS/EN 15561:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates
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 13716:2002 Surface active agents - Determination of total base nitrogen - Potentiometric titration
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

NO-SN, Total Nitrogen Test Nitrate

NS 4745-1991 Water analysis - Determination of the sum of nitrite nitrogen and nitrate nitrogen
NS 4865-1983 Air quality - Determination of the sum of nitrite- and nitrate-nitrogen in precipitation
NS 4743-1993 Water analysis. Determination of total nitrogen after oxidation with peroxodisulphate

Lithuanian Standards Office , Total Nitrogen Test Nitrate

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 15559-2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Arnd
LST EN 15560-2009 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free
LST EN 15561-2009 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates
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 15478-2009 Fertilizers - Determination of total nitrogen in urea
LST EN 13716-2002 Surface active agents - Determination of total base nitrogen - Potentiometric titration
LST EN 15104-2011 Solid biofuels - Determination of total content of carbon, hydrogen and nitrogen - Instrumental methods

AENOR, Total Nitrogen Test Nitrate

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-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 15559:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Arnd
UNE-EN 15560:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free
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 15561:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates
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 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.

German Institute for Standardization, Total Nitrogen Test Nitrate

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 15560:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free; English version of DIN EN 15560:2009-06
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 15560:2021 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free; German and English version prEN 15560:2021
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 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 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 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 14255:1998-11 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 15558:2009-06 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Ulsch; German version EN 15558:2009
DIN EN 15561:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates; English version of DIN EN 15561:2009-06
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 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 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 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 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 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 13395:1996); German version EN ISO 13395:1996
DIN EN 15561:2023-10 Inorganic fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates; German version EN 15561:2023
DIN CEN/TS 17760:2022-07 Inorganic fertilizers - Determination of particle size of ammonium nitrate fertilizers of high nitrogen content; German version CEN/TS 17760:2022
DIN 51722-1:1990-07 Testing of solid fuels; determination of nitrogen content; semi-micro Kjeldahl method
DIN CEN/TS 17751:2022-07 Inorganic fertilizers - Determination of specific parameters in ammonium nitrate fertilizers of high nitrogen content; German version CEN/TS 17751:2022
DIN CEN/TS 17762:2022-07 Inorganic fertilizers - Determination of the copper content in ammonium nitrate fertilizers of high nitrogen content; German version CEN/TS 17762:2022
DIN 51732:2014-07 Testing of solid mineral fuels - Determination of total carbon, hydrogen and nitrogen - Instrumental methods
DIN ISO 11261:1997 Soil quality - Determination of total nitrogen - Modified Kjeldahl method (ISO 11261:1995)
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 CEN/TS 17759:2022-07 Inorganic fertilizers - Determination of pH of a solution of ammonium nitrate fertilizers of high nitrogen content; German version CEN/TS 17759:2022
DIN CEN/TS 17761:2022-07 Inorganic fertilizers - Determination of the chloride content in ammonium nitrate fertilizers of high nitrogen content; German version CEN/TS 17761:2022
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 13716:2003 Surface active agents - Determination of total base nitrogen - Potentiometric titration; German version EN 13716:2001
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 ISO 13878:1998 Soil quality - Determination of total nitrogen content by dry combustion ("elemental analysis") (ISO 13878:1998)

European Committee for Standardization (CEN), Total Nitrogen Test Nitrate

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 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 15561:2023 Inorganic fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates
EN 15560:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free
EN 15478:2009 Fertilizers - Determination of total nitrogen in urea
EN 15561:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates
FprCEN/TS 17760-2021 Inorganic fertilizers - Determination of particle size of ammonium nitrate fertilizers of high nitrogen content
EN 15750:2009 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
FprCEN/TS 17759-2021 Inorganic fertilizers - Determination of pH of a solution of ammonium nitrate fertilizers of high nitrogen content
FprCEN/TS 17762-2021 Inorganic fertilizers - Determination of the copper content in ammonium nitrate fertilizers of high nitrogen content
FprCEN/TS 17751-2021 Inorganic fertilizers - Determination of specific parameters in ammonium nitrate fertilizers of high nitrogen content
CEN/TS 17751:2022 Inorganic fertilizers - Determination of specific parameters in ammonium nitrate fertilizers of high nitrogen content
FprCEN/TS 17761-2021 Inorganic fertilizers - Determination of the chloride content in ammonium nitrate fertilizers of high nitrogen content
EN 15560:2023 Inorganic fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free
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 13716:2001 Surface active agents - Determination of total base nitrogen - Potentiometric titration
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 17234-2:2011 Leather - Chemical tests for the determination of certain azo colorants in dyed leathers - Part 2: Determination of 4-aminoazobenzene (ISO 17234-2:2011)
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

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

KS M ISO 4176-2006(2011) Fertilizers－Determination of nitrate nitrogen content－Nitron gravimetric 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 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 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 I ISO 11261-2008(2018) Soil quality－Determination of total nitrogen－Modified Kjeldahl method
KS I ISO 11261-2008(2021) Soil quality－Determination of total nitrogen－Modified Kjeldahl method
KS M ISO 4176:2012 Fertilizers－Determination of nitrate nitrogen content－Nitron gravimetric 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 M ISO 5313:2007 High nitrogen content, straight ammonium nitrate fertilizers-Determination of oil retention
KS M ISO 5313:2013 High nitrogen content, straight ammonium nitrate fertilizers－Determination of oil retention
KS M ISO 5313-2007(2012) High nitrogen content, straight ammonium nitrate fertilizers－Determination of oil retention
KS M ISO 6851:2002 Photography-Processing waste-Determination of total amino nitrogen-Microdiffusion Kjeldahl method
KS H ISO 1871-2013(2018) Agricultural food products ― General directions for the determination of nitrogen by the Kjeldahl method
KS M ISO 5315-2007(2012) Fertilizers－Determination of total 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 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 13878:2009 Soil quality－Determination of total nitrogen content by dry combustion(“elemental analysis”)
KS M 8531-2004 Sodium hydroxide for nitrogen compounds analysis

PL-PKN, Total Nitrogen Test Nitrate

PN C04576 ArkusZ12-1973 Water and waste water Tests for nitrogenDetermination of total nitrogen of Kjeldahl
PN C04576 ArkusZ14-1973 Water and w?sie water Tes?s for nitrogen Calcula?ion of to?al nitrogen
PN Z04092 Arkusz 01-1974 Air purity protectlon Tests tor nitric acid and nitrogen oxides Determination of nitric acid and total amount of nitric acid and nitrogen oxides in the work station by the colorimetric method with phenoldisulphonic acid
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 C04576-10-1986 Water and waste water Tests for nitrogen Determination of nitrate nitrogen by potentiometric method with ion selective electrode
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 C87075-1992 Fertilizers. High nitrogen content straight ammonium nitrate fertilizers. Determination of pH
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 C87076-1992 Fertilizers. High nitrogen content straight ammonium nitrate fertilizers. Determination of oil retention
PN Z04092 Arkusz 00-1974 Air purity protection Tes?s for nitric acid and nitrogen oxides Introduction and rang? of standard
PN C04576-07-1987 Water and waste water Tests for nitfogen Determination of nitrate by colorimetric method after reduction in cadmium column
PN A86026-1990 Milk and dairy products Milk powdcr Determination of nitritc and nitrate contents
PN C04576 ArkusZ06-1973 Water and waste waiter Tests for nitrogen Deterrninatian of nitrite by colo- rime?ric method with sulphanilic aicid and 1-naphty lamin?
PN Z04092-08-1989 Air purity protection Tests for nitric acid and nitrogen oxides Determination of nitrogen dioxide in ambient air (imision) by spectrophotometric method with passive sampling

Professional Standard - Agriculture, Total Nitrogen Test Nitrate

NY/T 1116-2014 Fertilizers.Determination of nitrate nitrogen, ammonium nitrogen, amide nitrogen contents
GB 3597-1983 Determination of nitrate nitrogen content in fertilizers Nitrogen reagent gravimetric method
GB 10511-1989 Determination of total nitrogen content in nitrophosphate fertilizers Titration after distillation
GB 609-1988 General method for the determination of total nitrogen content of chemical reagents
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
NY/T 1116-2006 Fertilizers-Determination of nitrate nitrogen content.UItraviolet spectro-photometric method
GB/T 42955-2023 Determination of total nitrogen content in fertilizers Dumas combustion method
GB 608-1988 General method for chemical reagent nitrogen determination

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

GB/T 3597-2002 Fertilizer--Determination of nitrate nitrogen content--Nitron gravimetric method
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 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 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 6625-1986 Test methods for nitrogen content of nitrogen-doped getter
GB/T 7493-1987 Water quality--Determination of nitrogen (nitrite)--Spectrophotometric method
GB/T 32737-2016 Determination of nitrate nitrogen in soil - Ultraviolet spectrophotometry method
GB/T 41965-2022 Photography—Processing waste—Determination of total amino nitrogen(microdiffusion Kjeldahl method)
GB/T 2441.1-2001 Determination of urea-Determination of total nitrogen content
GB/T 9823-1988 Method for determination of total nitrogen content in oilseed residues
GB/T 9506.5-1988 Test method for nitrogen-released and gas-absorbed dynamic curve of nitrogen-doped getter
GB/T 7480-1987 Water quality--Determination of nitrate--Spectrophotometric method with phenol disulfonic acid
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 608-1988 Chemical reagent--General method for the determination of 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 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 33392-2016 Leather and fur.Chemical tests.Determination of 4-aminoazobenzene derived from azo colorants
GB/T 9506.6-1988 Test method for barium film distribution of nitrogen-doped getter

RU-GOST R, Total Nitrogen Test Nitrate

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 30181.3-1994 Mineral fertilizers. Method for determination of mass fraction of nitrogen in fertilizers with nitrate nitrogen
GOST EN 15604-2013 Fertilizers. Determination of different forms of nitrogen in the same sample: nitric, ammoniacal, cyanamide and urea 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 10671.4-2016 Reagents. Methods for determination of total nitrogen impurity
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 29302-1992 Ammonium nitrate for industrial use. Method for determination of total nitrogen content (titrimetric) after distillation
GOST 26715-1985 Organic fertilizers. Methods for determination of total nitrogen
GOST 27753.7-1988 Greenhouse grounds methods for determination of nitrate nitrogen
GOST 30181.9-1994 Mineral fertilizers. Method for determination of total mass fraction of nitrogen in compound fertilizers (distillation method using the chromium reduction of nitrate nitrogen and mineralization of organic nitrogen)
GOST EN 15478-2013 Fertilizers. Determination of total nitrogen in urea
GOST 26107-1984 Soils. Methods for determination of total nitrogen
GOST R 50706.2-1994 Nitric acid for industrial use. Determination of nitrous compounds. Titrimetric method
GOST 29288-1992 Fertilizers with high content of nitrogen. Ammonium nitrate. Method for determination of the ability to suppress the lubricant

Association Francaise de Normalisation, Total Nitrogen Test Nitrate

NF EN 15561:2009 Engrais - Dosage de l'azote total dans la cyanamide calcique nitratée
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 U42-141:1984 Fertilizers. Determination of nitrate nitrogen content. Nitrogen gravimetric method.
NF U42-142*NF EN 15476:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Devarda
NF EN 15560:2009 Engrais - Dosage de l'azote total dans la cyanamide calcique exempte de nitrate
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 V04-211:1971 MILK. DETERMINATION OF TOTAL NITROGEN CONTENT. (KJELDAHL METHOD).
NF T90-012*NF EN ISO 13395:1996 Water quality - Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection.
NF U42-147*NF EN 15561:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrate
NF U42-146*NF EN 15560:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free.
NF X31-111*NF ISO 11261:1995 Soil quality. Determination of total nitrogen. Modified kjeldahl method.
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 15478:2009 Engrais - Détermination de l'azote total dans l'urée
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 U42-416*NF EN 15478:2009 Fertilizers - Determination of total nitrogen in urea.
XP U42-792*XP CEN/TS 17760:2022 Inorganic fertilizers - Determination of particle size of ammonium nitrate fertilizers of high nitrogen content
NF A06-555:2010 Steel - Determination of nitrogen content - Spectrophotometric method.
NF ISO 20620:2022 Engrais et amendements - Détermination de l'azote total par combustion
NF T20-286:1982 Nitric acid for industrial use. Determination of ammoniacal nitrogen content. Spectrophotometric method.
XP CEN/TS 17760:2022 Engrais inorganiques - Détermination de la taille des particules des engrais à base de nitrate d'ammonium et à forte teneur en azote
NF EN 15476:2009 Engrais - Détermination de l'azote nitrique et ammoniacal selon Devarda
NF T20-296:1970 Chemical analysis of sulphuric acid and oleums. Determination of nitrous nitrogen and nitric nitrogen.
XP U42-790*XP CEN/TS 17751:2022 Inorganic fertilizers - Determination of pH of a solution of ammonium nitrate fertilizers of high nitrogen content
XP U42-791*XP CEN/TS 17759:2022 Inorganic fertilizers - Determination of pH of a solution of ammonium nitrate fertilizers of high nitrogen content
XP U42-794*XP CEN/TS 17762:2022 Inorganic fertilizers - Determination of the copper content in ammonium nitrate fertilizers of high nitrogen content
XP CEN/TS 17759:2022 Engrais inorganiques - Détermination du pH d'une solution d'engrais à base de nitrate d'ammonium à forte teneur en azote
XP CEN/TS 17751:2022 Engrais inorganiques - Détermination du pH d'une solution d'engrais à base de nitrate d'ammonium à forte teneur en azote
NF U42-151:1984 Fertilizers. Determination of total nitrogen content. Titrimetric method after distillation.
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
XP CEN/TS 17762:2022 Engrais inorganiques - Détermination de la teneur en cuivre dans les engrais à base de nitrate d'ammonium et à forte teneur en azote
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
XP U42-793*XP CEN/TS 17761:2022 Inorganic fertilizers - Determination of the chloride content in ammonium nitrate fertilizers of high nitrogen content
XP CEN/TS 17761:2022 Engrais inorganiques - Détermination de la teneur en chlorure des engrais à base de nitrate d'ammonium à forte teneur en azote
NF EN ISO 16948:2015 Biocombustibles solides - Détermination de la teneur totale en carbone, hydrogène et azote
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 T90-015:1975 TESTING WATER-DETERMINATION OF NITROGEN (AMMONIA)
NF X31-418*NF ISO 13878:1998 Soil quality. Determination of total nitrogen content by dry combustion ("elemental analysis").
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 X34-117:2011 Solid biofuels - Determination of total content of carbon, hydrogen and nitrogen - Instrumental methods.
NF ISO 13878:1998 Qualité du sol - Détermination de la teneur totale en azote par combustion sèche ("analyse élémentaire")

RO-ASRO, Total Nitrogen Test Nitrate

STAS SR ISO 7408:1993 Fertilizers. Determination of ammoniacal nitrogen content in the presence of other substances which release ammonia when treated with sodium hydroxide. Titrimetric method
SR ISO 4176:1981 Fertilizers. Determination of nitrate nitrogen content. Nitrogen gravimetric method
STAS 7425-1979 NITROCELLULOSES Determination of nitrogen content
STAS 11624/1-1983 PHOSPHATING SOLUTIONS Determination of phosphoric acid, azotic acid and sodiimi nitrate
SR ISO 5313:1986 High nitrogen content, straight ammonium nitrate fertilizers. Determination of oil retention
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
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

GOSTR, Total Nitrogen Test Nitrate

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

British Standards Institution (BSI), Total Nitrogen Test Nitrate

BS 4267-2:1988 Ammonium nitrate - Method for determination of total nitrogen content
DD CEN/TS 15559:2007 Fertilizers. Determination of nitric and ammoniacal nitrogen according to Arnd
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
DD CEN/TS 15560:2007 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 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
21/30442090 DC BS EN 15561. Fertilizers. Determination of total nitrogen in calcium cyanamide containing nitrates
BS 5551-4.1.1:1981 Fertilizers - Chemical analysis - Determination of nitrogen - Nitron gravimetric method for determination of nitrate nitrogen
BS EN 15559:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Arnd
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 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 15478:2009 Fertilizers - Determination of total nitrogen in urea
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 7755-3.7:1995 Soil quality. Chemical methods. Determination of total nitrogen. Modified Kjeldahl method
BS ISO 6851:2001 Photography. Processing waste. Determination of total amino nitrogen (microdiffusion Kjeldahl method)
BS 4267-1:1988 Ammonium nitrate - Method for determination of ammoniacal nitrogen content
PD CEN/TS 17760:2022 Inorganic fertilizers. Determination of particle size of ammonium nitrate fertilizers of high nitrogen content
BS 5551-4.1.3:1986 Fertilizers. Chemical analysis. Determination of nitrogen. Method for determination of total nitrogen content (titrimetric method after distillation)
PD CEN/TS 17762:2022 Inorganic fertilizers. Determination of the copper content in ammonium nitrate fertilizers of high nitrogen content
PD CEN/TS 17751:2022 Inorganic fertilizers. Determination of specific parameters in ammonium nitrate fertilizers of high nitrogen content
PD CEN/TS 17759:2022 Inorganic fertilizers. Determination of pH of a solution of ammonium nitrate fertilizers of high nitrogen content
BS ISO 20620:2021 Fertilizers and soil conditioners. Determination of total nitrogen by combustion
PD CEN/TS 17761:2022 Inorganic fertilizers. Determination of the chloride content in ammonium nitrate fertilizers of high nitrogen content
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
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 5551-3.4:1987 Fertilizers. Physical properties. Method for determination of oil retention of high nitrogen content, straight ammonium nitrate fertilizers
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
BS EN ISO 17234-2:2011 Leather. Chemical tests for the determination of certain azo colorants in dyed leathers. Determination of 4-aminoazobenzene
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

CEN - European Committee for Standardization, Total Nitrogen Test Nitrate

PD CEN/TS 15559:2007 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Arnd
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 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 15478:2006 Fertilizers - Determination of total nitrogen in urea
PD CEN/TS 15104:2005 Solid biofuels - Determination of total content of carbon@ hydrogen and nitrogen - Instrumental methods

未注明发布机构, Total Nitrogen Test Nitrate

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 4267-2:1988(1999) Ammonium nitrate — Part 2 : Method for determination of total nitrogen content
BS 4267-1:1988(1999) Ammonium nitrate — Part 1 : Method for determination of ammoniacal nitrogen content
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

HU-MSZT, Total Nitrogen Test Nitrate

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

CNS 8991-1982 Chemical Reagent(Ammonium Salt Nitrates and Total Nitrogen Determination)
CNS 1794-1968 O, P-Dihydroxyazo-P-Nitrobenzene (Magneson)

SE-SIS, Total Nitrogen Test Nitrate

SIS SS 02 81 33-1991 Determination of the sum of the nitrite and nitrate nitrogen content of water
SIS SS 02 81 86-1985 Determination of total arsenic in water - Silver diethyldithiocarbamate spectrometric method

Professional Standard - Environmental Protection, Total Nitrogen Test Nitrate

HJ 634-2012 Soil.Determination of ammonium, nitrite and nitrate by extraction with potassium chloride solution-spectrophotometric methods
HJ/T 346-2007 Water quality. Determination of nitrate-nitrogen. Ultraviolet spectrophotometry
HJ/T 198-2005 Water quality - Determination of nitrate-nitrogen Gas-phase molecular absorption spectrometry
HJ/T 197-2005 Water quality - Determination of nitrite-nitrogen Gas-phase molecular absorption spectrometry
HJ/T 199-2005 Water quality Determination of tota-nitrogen Gas-phase molecular absorption spectrometry

International Organization for Standardization (ISO), Total Nitrogen Test Nitrate

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 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 3331:1975 Ammonium nitrate for industrial use — Determination of total nitrogen content — Titrimetric method after distillation
ISO 4176:1981 Fertilizers; Determination of nitrate nitrogen content; Nitron gravimetric method
ISO 11261:1995 Soil quality - Determination of total nitrogen - Modified Kjeldahl method
ISO 3099:1974 Oilseed residues — Determination of total nitrogen content
ISO 5313:1986 High nitrogen content, straight ammonium nitrate fertilizers; Determination or oil retention
ISO 2991:1974 Nitric acid for industrial use; Determination of ammoniacal nitrogen content; Spectrophotometric method
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 3330:1975 Ammonium nitrate for industrial use; Determination of ammoniacal nitrogen content; Titrimetric method after distillation
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 29541:2010 Solid mineral fuels - Determination of total carbon, hydrogen and nitrogen content - Instrumental 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/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

Group Standards of the People's Republic of China, Total Nitrogen Test Nitrate

T/QAS 071-2021 Determination of total nitrogen in brine Kjeldahl method
T/CPCIF 0168-2021 Rapid detection kits for nitrite，nitrate and ammonia nitrogen in water
T/NAIA 044-2021 Urine Total Nitrogen Determination in Livestock 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 13-2017 Water Quality Determination of Nitrate Nitrogen Gas Phase Molecular Absorption Spectrometry
T/NJ 1423-2023 Composite flexible electrode for soil nitrate nitrogen determination in agricultural equipment
T/CHES 14-2017 Water Quality Determination of Nitrite Nitrogen Gas Phase Molecular Absorption Spectrometry
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

ZA-SANS, Total Nitrogen Test Nitrate

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

VN-TCVN, Total Nitrogen Test Nitrate

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 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")

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

GJB 770.303-1989 Test methods for gunpowder analysis: Determination of nitrogen content of nitrocellulose. Five-tube nitrogen meter method
GJB 337-1987 Determination method of nitrogen content of nitrocellulose (interferometer method)
GJB 337-1987(XG1-2015) Modification sheet 1-2015 for determination method of nitrogen content of nitrocellulose
GJB 770.308-1990 Test methods for gunpowder analysis Determination of nitrogen content of nitrocellulose Ferrous iron-titanium chloride method
GJB 8682.11-2015 Methods of chemical analysis of pyrotechnics Part 11: Determination of barium nitrate content and nitrogen determination method

Professional Standard - Forestry, Total Nitrogen Test Nitrate

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

American Society for Testing and Materials (ASTM), Total Nitrogen Test Nitrate

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 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(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 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 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 D1426-98 Standard Test Methods for Ammonia Nitrogen In Water
ASTM E258-67(1996)e1 Standard Test Method for Total Nitrogen in Organic Materials by Modified Kjeldahl Method
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 C1494-01 Standard Test Methods for Determination of Mass Fraction of Carbon, Nitrogen, and Oxygen in Silicon Nitride Powder
ASTM C1494-13(2018) Standard Test Methods for Determination of Mass Fraction of Carbon, Nitrogen, and Oxygen in Silicon Nitride Powder
ASTM D4795-94(2003) Standard Test Method for Nitrogen Content of Soluble Nitrocellulose8212;Alternative Method
ASTM D4795-94(1998) Standard Test Method for Nitrogen Content of Soluble Nitrocellulose-Alternative Method
ASTM D4795-94(2008) Standard Test Method for Nitrogen Content of Soluble Nitrocellulosex2014;Alternative Method
ASTM 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 D6556-17 Standard Test Method for Carbon Black&x2014;Total and External Surface Area by Nitrogen Adsorption
ASTM D5475-93(1997) Standard Test Method for Nitrogen- and Phosphorus-Containing Pesticides in Water by Gas Chromatography with a Nitrogen-Phosphorus Detector
ASTM D1426-03 Standard Test Methods for Ammonia Nitrogen In Water
ASTM D6556-07 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 D5475-93(2002) Standard Test Method for Nitrogen- and Phosphorus-Containing Pesticides in Water by Gas Chromatography with a Nitrogen-Phosphorus Detector

BE-NBN, Total Nitrogen Test Nitrate

NBN T 03-056-1979 Ammonium nitrate for industrial use - Determination of total nitrogen content - Titrimetric method after distillation
NBN T 91-257-1977 Water analysis methods - Determination of the nitrite nitrogen - Photoraetric method
NBN T 03-055-1979 Ammonium nitrate for industrial use - Determination of ammoniacal 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
NBN V 21-013-1978 Determination of the total nitrogen contaimng substances content of milk - Amido black method

Association of Official Analytical Chemists (AOAC), Total Nitrogen Test Nitrate

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 Test Nitrate

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

FI-SFS, Total Nitrogen Test Nitrate

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

Yunnan Provincial Standard of the People's Republic of China, Total Nitrogen Test Nitrate

DB53/T 624-2014 Determination of Nitrate Nitrogen and Nitrite Nitrogen in Coking Wastewater by Dairyler's Alloy Reduction-Neutralization Titration

Indonesia Standards, Total Nitrogen Test Nitrate

SNI 19-1501-1989 Test methods for total nitrogen oxide in air
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 19-1498-1989 Continuous NO and NO2 test apparatus in exhaust-gases
SNI 13-3482-1994 Coal, Determination of nitrogen using Kyeldahl method
SNI 19-6964.7-2003 Seawater quality - Part 7: Test methods of nitrates (NO3-N) with cadmium reduction by spectrophotometry
SNI 06-0042-1987 Nitrogen, Specification and test method

CZ-CSN, Total Nitrogen Test Nitrate

CSN 68 4124-1980 Determination of small mounts of total nitrogen
CSN 66 8102 Cast.28-1997
CSN 65 4833-1982 Minerál Fertilizers Determination of Nitrie Nitrogen by Titrimetric Method
CSN 66 8102 Cast.17-1997
CSN 66 8027-1957
CSN 66 8102 Cast.28-1978 Smokeless powders. Methods of testing. Determination of nitrocellulose-nitrogen in double-base powders
CSN 65 4836-1983 Minerál fertilizers Methode for determination of total nitrogen content
CSN 65 0176 Cast.7-1979 Testing methods for tarch. Determination of 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

YU-JUS, Total Nitrogen Test Nitrate

JUS H.Z1.137-1985 Testing of industrial vvaters. Determination of nitrite-nitrate and the combined nitrite-nitrate nitrogen, Spectrophotometric method
JUS H.B8.286-1983 Fertilizers. Determination of content nitrat-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 H.B8.288-1983 Fertilizers. Determination of content total-nitrogen. Volumetric method
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.B8.813-1992 Straight ammonium nitrate fertilizers of high nitrogen content - Determination of the pH value of solution
JUS H.B8.816-1992 Straight ammonium nitrate fertilizers of high nitrogen content - Determination of resistance to detonation
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.B8.817-1992 Straight ammonium nitrate fertilizers of high nitrogen content - Determination of the particle size (granulometry)
JUS H.B8.812-1992 High nitrogen content,straight ammonium nitrate fertilizers - Determination of oil retention (porosity)
JUS H.G8.280-1987 Reagents. lron(ll)sulphate heptahydrate. Determination of total nitrogen content. Colorimetric method
JUS E.Z8.016-1993 Soups,broaths,sauces and seasonings - Determination of total nitrogen content
JUS H.G8.158-1984 Reagents. Sodium carbonate anhydrous and sodium carbonate decahydrate. Determination of total ni-trogen contont. Colorimetric method
JUS H.B8.814-1992 Straight ammonium nitrate fertilizers of high nitrogen content - Determination of the chloride content (as chlorine ion)
JUS H.B8.815-1992 Straight ammonium nitrate fertilizers of high nitrogen content - Determination of copper content - Atomic absorption spectrophotometric method

PT-IPQ, Total Nitrogen Test Nitrate

NP 3646-1987
NP 1612-2002 Meat and meat products Determination of nitrogen content Reference method
NP 1273-1976

PH-BPS, Total Nitrogen Test Nitrate

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

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

JJG 656-2013 Verification Regulation of Nitrate-Nitrogen Automatic Analyzers

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

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 Test Nitrate

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

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

DB23/T 3310-2022 Water quality total nitrogen monitoring technical specification

Professional Standard - Water Conservancy, Total Nitrogen Test Nitrate

SL 84-1994 Determination of nitrogen (nitrate)(Ultraviolet spectrophtometric method)

工业和信息化部, Total Nitrogen Test Nitrate

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

中华人民共和国环境保护部, Total Nitrogen Test Nitrate

GB 7493-1987 Water quality-Determination of nitrogen (nitrite)-Spectrophotometric method
GB 7480-1987 Water quality-Determination of nitrate-Spectrophotometric method with phenol disulfonic acid

National Metrological Technical Specifications of the People's Republic of China, Total Nitrogen Test Nitrate

JJF 1425-2013 Program of Pattern Evaluation of Nitrate-Nitrogen Automatic Analyzers

Xinjiang Provincial Standard of the People's Republic of China, Total Nitrogen Test Nitrate

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 Test Nitrate

DB15/T 1837-2020 Determination of Nitrate Nitrogen in Farmland Irrigation Water by Flow Injection Method

Fujian Provincial Standard of the People's Republic of China, Total Nitrogen Test Nitrate

DB35/T 2006-2021 Chemical conversion method for determination of nitrate nitrogen isotope in water

TR-TSE, Total Nitrogen Test Nitrate

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

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

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

Professional Standard - Urban Construction, Total Nitrogen Test Nitrate

CJ/T 76-1999 Municipal sewage.Determination of nitrogen(nitrite).Sepectrophotometric method
CJ/T 77-1999 Municipal sewage.Determination of total nitrogen.Distillation and titration method

Professional Standard - Chemical Industry, Total Nitrogen Test Nitrate

HG/T 3496-2000 Chemical reagent.Alizarin yellow R

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

GB/T 40723-2021 Rubber—Determination the contents of total sulfur and total nitrogen — Automatic analyser method
GB/T 40535.1-2021 Test methods of continuous nitride ceramic fibers—Part 1：Nitrogen content

AT-ON, Total Nitrogen Test Nitrate

ONORM S 7009-1982 Testing of leather; determination of the contents of total nitrogen and of ammonium salts; calculation of hide substance
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)

ES-UNE, Total Nitrogen Test Nitrate

UNE-CEN/TS 17760:2022 Inorganic fertilizers - Determination of particle size of ammonium nitrate fertilizers of high nitrogen content (Endorsed by Asociación Española de Normalización in May of 2022.)
UNE-CEN/TS 17751:2022 Inorganic fertilizers - Determination of specific parameters in ammonium nitrate fertilizers of high nitrogen content (Endorsed by Asociación Española de Normalización in May of 2022.)
UNE-CEN/TS 17762:2022 Inorganic fertilizers - Determination of the copper content in ammonium nitrate fertilizers of high nitrogen content (Endorsed by Asociación Española de Normalización in May of 2022.)
UNE-CEN/TS 17759:2022 Inorganic fertilizers - Determination of pH of a solution of ammonium nitrate fertilizers of high nitrogen content (Endorsed by Asociación Española de Normalización in May of 2022.)
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-CEN/TS 17761:2022 Inorganic fertilizers - Determination of the chloride content in ammonium nitrate fertilizers of high nitrogen content (Endorsed by Asociación Española de Normalización in May of 2022.)

Professional Standard - Military and Civilian Products, Total Nitrogen Test Nitrate

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

Professional Standard - Commodity Inspection, Total Nitrogen Test Nitrate

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

Association of German Mechanical Engineers, Total Nitrogen Test Nitrate

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

IN-BIS, Total Nitrogen Test Nitrate

IS 3708 Pt.8-1986

NL-NEN, Total Nitrogen Test Nitrate

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

Japanese Industrial Standards Committee (JISC), Total Nitrogen Test Nitrate

JIS K 0170-2:2011 Testing methods for water quality by flow analysis -- Part 2: Nitrite nitrogen and nitrate nitrogen
JIS K 0170-2:2019 Testing methods for water quality by flow analysis -- Part 2: Nitrite nitrogen and nitrate nitrogen

GM Europe, Total Nitrogen Test Nitrate

GME L-6A2-6-1983 Nitrogen Test of Cylinder Head Gaskets

KR-KS, Total Nitrogen Test Nitrate

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

Professional Standard - Tobacco, Total Nitrogen Test Nitrate

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 Test Nitrate

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

BR-ABNT, Total Nitrogen Test Nitrate

ABNT MB-1133-1979

Canadian Standards Association (CSA), Total Nitrogen Test Nitrate

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 Test Nitrate

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

Military Standard of the People's Republic of China-Commission of Science,Technology and Industry for National Defence, Total Nitrogen Test Nitrate

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