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Determination of nitrate nitrogen in water quality

Determination of nitrate nitrogen in water quality, Total:286 items.

In the international standard classification, Determination of nitrate nitrogen in water quality involves: Fertilizers, Soil quality. Pedology, Water quality, Environmental testing, Farming and forestry, Test conditions and procedures in general, Inorganic chemicals, Agricultural machines, implements and equipment, Air quality, Vocabularies, Wastes, Analytical chemistry, Beverages, Products of the chemical industry, Fuels, Non-metalliferous minerals, Geology. Meteorology. Hydrology.

Association Francaise de Normalisation, Determination of nitrate nitrogen in water quality

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 U42-142*NF EN 15476:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Devarda
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 U42-149*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 T20-296:1970 Chemical analysis of sulphuric acid and oleums. Determination of nitrous nitrogen and nitric nitrogen.
NF T90-060:2004 Water quality - Determination of nitrogen - Determination of bound nitrogen (TN sub b), following oxidation to nitrogen oxides.
NF T90-042:1995 Water quality - Determination of dissolved fluoride, chloride, nitrite, orthophosphate, bromide, nitrate and sulfate ions, using liquid chromatography of ions - Part 1 : method for water with low contamination.
NF T90-046:1996 Water quality - Determination of dissolved anions by liquid chromatography of ions - Part 2 : determination of bromide, chloride, nitrate, nitite, orthophosphate and sulfate in waste water.
NF T90-080*NF EN ISO 11732:2005 Water quality - Determination of ammonium nitrogen - Method by flow analysis (CFA and FIA) and spectrometric detection.
NF EN ISO 15587-2:2002 Qualité de l'eau - Digestion pour la détermination de certains éléments dans l'eau - Partie 2 : digestion à l'acide nitrique
NF EN ISO 11732:2005 Qualité de l'eau - Dosage de l'azote ammoniacal - Méthode par analyse en flux (CFA et FIA) et détection spectrométrique
NF EN ISO 10695:2000 Qualité de l'eau - Dosage de certains composés organiques azotés et phosphorés sélectionnés - Méthodes par chromatographie en phase gazeuse
NF EN ISO 11905-1:1998 Qualité de l'eau - Dosage de l'azote - Partie 1 : méthode par minéralisation oxydante au peroxodisulfate
NF S57-037-10*NF ISO 22863-10:2021 Fireworks - Test methods for determination of specific chemical substances -Part 10 : nitrogen content in nitrocellulose by iron(II) sulfate titration

FI-SFS, Determination of nitrate nitrogen in water quality

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

Korean Agency for Technology and Standards (KATS), Determination of nitrate nitrogen in water quality

KS M ISO 4176-2006(2011) Fertilizers－Determination of nitrate nitrogen content－Nitron gravimetric method
KS M ISO 4176:2012 Fertilizers－Determination of nitrate nitrogen content－Nitron gravimetric method
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(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 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 11905-2-2008(2013) Water quality－Determination of nitrogen－Part 2：Determination of bound nitrogen, after combustion and oxidation to nitrogen dioxide, using chemiluminescence detection
KS I 3220-2007(2017) Water quality－Determination of nitrate
KS I 3220-2007 Water quality－Determination of nitrate
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 5663-2007(2017) Water quality－Determination of Kjeldahl nitrogen－Method after mineralization with selenuium
KS I ISO 17495-2007(2017) Water quality－Determination of selected nitrophenols－Method by solidphase extraction and gas chromatography with mass spectrometric detection
KS I ISO 5663:2007 Water quality－Determination of Kjeldahl nitrogen－Method after mineralization with selenuium
KS I ISO 15587-2-2008(2013) Water quality－Digestion for the determination of selected elements in water－Part 2：Nitric acid digestion
KS I ISO 6777:2007 Water quality－Determination of nitrite－Molecular absorption spectrometric method
KS I ISO 6777-2007(2017) Water quality－Determination of nitrite－Molecular absorption spectrometric method
KS I ISO 11905-2:2008 Water quality-Determination of nitrogen-Part 2:Determination of bound nitrogen, after combustion and oxidation to nitrogen dioxide, using chemiluminescence detection
KS M 9106-1996 Water quality-Determination of borate(Spectrometric method using azomethine-H)
KS I ISO 6332:2021 Water quality ― Determination of iron —Spectrometric method using 1,10-phenanthroline
KS I ISO 11732:2008 Water quality－Determination of ammonium nitrogen－Method by flow analysis(CFA and FIA) and spectrometric detection
KS I ISO 11905-1:2008 Water quality-Determination of nitrogen-Part 1:Method using oxidative digestion with peroxodisulfate
KS I ISO 10695:2021 Water quality — Determination of selected organic nitrogen and phosphorus compounds — Gas chromatographic methods
KS I ISO 10695-2006(2016) Water quality－Determination of selected organic nitrogen andphosphorus compounds－Gas chromatographic methods
KS M ISO 10048:2003 WATER QUALITY - DETERMINATION OF NITROGEN - CATALYTIC DIGESTION AFTER REDUCTION WITH DEVARDA'S ALLOY
KS I ISO 11732-2008(2018) Water quality－Determination of ammonium nitrogen－Method by flow analysis(CFA and FIA) and spectrometric detection
KS I ISO 14238:2008 Soil quality-Biological methods-Determination of nitrogen mineralization and nitrification in soils and the influence of chemicals on these processes
KS I ISO 14238:2018 Soil quality ― Biological methods ― Determination of nitrogen mineralization and nitrification in soils and the influence of chemicals on these processes

Danish Standards Foundation, Determination of nitrate nitrogen in water quality

DS 223:1991 Water analysis. Determination of the sum of nitrite- and nitrate-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 12260:2004 Water quality - Determination of nitrogen - Determination of bound nitrogen (TNb), following oxidation to nitrogen oxides
DS/EN ISO 11732:2005 Water quality - Determination of ammonium nitrogen - Method by flow analysis (CFA and FIA) and spectrometric detection
DS 242:1988 Water quality. Kjeldahl-nitrogen. Kjeldahl-method
DS/EN 25663:1994 Water quality-Determination of Kjeldahl nitrogen-Method after mineralization with selenium
DS/ISO 5663:1994 Water quality - Determination of Kjeldahl nitrogen - Method after mineralization with selenium
DS/EN 26777:1993 Water quality. Determination of nitrite. Molecular absorption spectrometric method
DS/EN 26777:2003 Water quality - Determination of nitrite - Molecular absorption spectrometric method
DS/ISO 22863-10:2021 Fireworks – Test methods for determination of specific chemical substances – Part 10: Nitrogen content in nitrocellulose by iron(II) sulfate titration
DS/EN ISO 17495:2003 Water quality - Determination of selected nitrophenols - Method by solid-phase extraction and gas chromatography with mass spectrometric detection

Professional Standard - Agriculture, Determination of nitrate nitrogen in water quality

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
NY/T 1116-2006 Fertilizers-Determination of nitrate nitrogen content.UItraviolet spectro-photometric method
SL/T 788.1-2019 Part 1: Determination of total nitrogen in water quality

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, Determination of nitrate nitrogen in water quality

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 7493-1987 Water quality--Determination of nitrogen (nitrite)--Spectrophotometric method
GB/T 3597-2002 Fertilizer--Determination of nitrate nitrogen content--Nitron gravimetric method
GB/T 7480-1987 Water quality--Determination of nitrate--Spectrophotometric method with phenol disulfonic acid
GB/T 32737-2016 Determination of nitrate nitrogen in soil - Ultraviolet spectrophotometry method
GB/T 11891-1989 Water quality--Determination of Kjeldahl nitrogen
GB/T 11896-1989 Water quality--Determination of chloride--Silver nitrate titration method
GB/T 13194-1991 Water quality--Determination of nitrobenzene, mononitrotoluene(MNT),nitrochlorobenzene and oinitrotoluene(ONT)--Gas chromatography
GB/T 13901-13902-1992 Determination of water quality dinitrotoluene and nitroglycerin by oscillographic polarography
GB/T 13902-1992 Water quality.Determination of nitroglycerine.Oscillopolarography
GB/T 42488-2023 Soil Quality Determination of Inorganic Nitrogen 15N Abundance in Soil Stable Isotope Ratio Mass Spectrometry
GB/T 18856.12-2002 Test methods for quality of coal water mixture--Part 12: Determination of nitrogen of coal water mixture
GB/T 11900-1989 Water quality--Determination of trace amounts of arsenic--Spectrophotometric method with silver salt

British Standards Institution (BSI), Determination of nitrate nitrogen in water quality

DD CEN/TS 15559:2007 Fertilizers. Determination of nitric and ammoniacal nitrogen according to Arnd
BS EN 15559:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Arnd
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
BS ISO 23695:2023 Water quality. Determination of ammonium nitrogen in water. Small-scale sealed tube method
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
21/30396472 DC BS ISO 23695. Water quality. Determination of ammonium nitrogen in water. Small-scale sealed tube method
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 EN 12260:2003(2008)*BS 6068-2.83:2003 Water quality - Determination of nitrogen - Determination of bound nitrogen (TNb), following oxidation to nitrogen oxides
BS EN ISO 11732:2005 Water quality. Determination of ammonium nitrogen. Method by flow analysis (CFA and FIA) and spectrometric 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
BS EN 12260:2003 Water quality. Determination of nitrogen. Determination of bound nitrogen (TN<sub>b</sub>), following oxidation to nitrogen oxides
BS EN ISO 15587-2:2002 Water quality. Digestion for the determination of selected elements in water. Nitric acid digestion
DD ENV 12260-1996 Water quality. Determination of nitrogen. Determination of bound nitrogen, after combustion and oxidation to nitrogen dioxide, using chemiluminescence detection
BS EN 25663:1993 Water quality. Determination of Kjeldahl nitrogen. Method after mineralization with selenium
BS EN ISO 11905-1:1998 Water quality. Determination of nitrogen.. Method using oxidative digestion with peroxodisulfate
BS ISO 22863-10:2021 Fireworks. Test methods for determination of specific chemical substances. Nitrogen content in nitrocellulose by iron(II) sulfate titration
BS ISO 23696-2:2023 Water quality. Determination of nitrate in water using small-scale sealed tubes - Chromotropic acid colour reaction
BS EN ISO 17495:2003 Water quality - Determination of selected nitrophenols - Method by solid-phase extraction and gas chromatography with mass spectrometric detection
BS ISO 23696-1:2023 Water quality. Determination of nitrate in water using small-scale sealed tubes - Dimethylphenol colour reaction

CEN - European Committee for Standardization, Determination of nitrate nitrogen in water quality

PD CEN/TS 15559:2007 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Arnd
EN ISO 11732:1997 Water Quality - Determination of Ammonium Nitrogen by Flow Analysis (CFA and FIA) and Spectrometric Detection

Lithuanian Standards Office , Determination of nitrate nitrogen in water quality

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 12260-2004 Water quality - Determination of nitrogen - Determination of bound nitrogen (TNb), following oxidation to nitrogen oxides
LST EN ISO 11732:2005 Water quality - Determination of ammonium nitrogen - Method by flow analysis (CFA and FIA) and spectrometric detection (ISO 11732:2005)
LST EN 25663-2000 Water quality - Determination of Kjeldahl nitrogen - Method after mineralization with selenium (ISO 5663:1984)
LST EN 26777-1999 Water quality - Determination of nitrite - Molecular absorption spectrometric method (ISO 6777:1984)
LST EN ISO 17495:2004 Water quality - Determination of selected nitrophenols - Method by solid-phase extraction and gas chromatography with mass spectrometric detection (ISO 17495:2001)
LST ISO 7890-3:1998 Water quality. Determination of nitrate. Part 3: Spectrometric method using sulfosalicylic acid
LST ISO 9390:1998 Water quality. Determination of borate. Spectrometric method using azomethine-H

AENOR, Determination of nitrate nitrogen in water quality

UNE-EN 15559:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Arnd
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 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-EN 12260:2004 Water quality - Determination of nitrogen - Determination of bound nitrogen (TNb), following oxidation to nitrogen oxides
UNE-EN ISO 11732:2005 Water quality - Determination of ammonium nitrogen - Method by flow analysis (CFA and FIA) and spectrometric detection (ISO 11732:2005)
UNE-EN 25663:1994 WATER QUALITY. DETERMINATION OF KJELDAHL NITROGEN. METHOD AFTER MINERALIZATION WITH SELENIUM. (ISO 5663:1984).
UNE-EN 26777:1994 WATER QUALITY. DETERMINATION OF NITRITE. MOLECULAR ABSORPTION SPECTROMETRIC METHOD. (ISO 6777:1984).
UNE-EN ISO 17495:2003 Water quality - Determination of selected nitrophenols - Method by solid-phase extraction and gas chromatography with mass spectrometric detection (ISO 17495:2001)

German Institute for Standardization, Determination of nitrate nitrogen in water quality

DIN EN 15559:2009-06 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Arnd; German version EN 15559:2009
DIN EN 15476:2009-04 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Devarda; German version EN 15476:2009
DIN EN 15558:2009-06 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Ulsch; German version EN 15558:2009
DIN 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 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 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 15604:2009-06 Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen; German version EN 15604:2009 / Note: To be replaced by DIN EN ISO 15604 (2019-06).
DIN ISO 14255:1998 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 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 12260:2003 Water quality - Determination of nitrogen - Determination of bound nitrogen (TN<(Index)b>), following oxidation to nitrogen oxides; German version EN 12260:2003
DIN EN ISO 11732:2005-05 Water quality - Determination of ammonium nitrogen - Method by flow analysis (CFA and FIA) and spectrometric detection (ISO 11732:2005); German version EN ISO 11732:2005
DIN EN ISO 11905-1:1998 Water quality - Determination of nitrogen - Part 1: Method using oxidative digestion with peroxodisulfate (ISO 11905-1:1997); German version EN ISO 11905-1:1998
DIN 19746:2005-06 Soil quality - Determination of mineral nitrogen (nitrat and ammonium) in soil profiles (Nmin laboratory method)
DIN EN ISO 11732:2005 Water quality - Determination of ammonium nitrogen - Method by flow analysis (CFA and FIA) and spectrometric detection (ISO 11732:2005); German version EN ISO 11732:2005
DIN EN 26777:1993 Water quality; determination of nitrite; molecular absorption spectrometric method (ISO 6777:1984); german version EN 26777:1993
DIN EN ISO 15587-2:2002-07 Water quality - Digestion for the determination of elements in water - Part 2: Nitric acid digestion (ISO 15587-2:2002); German version EN ISO 15587-2:2002
DIN EN ISO 17495:2003-09 Water quality - Determination of selected nitrophenols - Method by solid phase extraction and gas chromatography with mass spectrometric detection (ISO 17495:2001); German version EN ISO 17495:2003
DIN 19746:2005 Soil quality - Determination of mineral nitrogen (nitrat and ammonium) in soil profiles (Nmin laboratory method)
DIN EN 25663:1993-11 Water quality; determination of Kjeldahl nitrogen; method after mineralization with selenium (ISO 5663:1984); German version EN 25663:1993
DIN EN ISO 10695:2000-11 Water quality - Determination of selected organic nitrogen and phosphorus compounds - Gas chromatographic methods (ISO 10695:2000); German version EN ISO 10695:2000
DIN EN 26777:1993-04 Water quality; determination of nitrite; molecular absorption spectrometric method (ISO 6777:1984); german version EN 26777:1993

NO-SN, Determination of nitrate nitrogen in water quality

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

PL-PKN, Determination of nitrate nitrogen in water quality

PN C04576-10-1986 Water and waste water Tests for nitrogen Determination of nitrate nitrogen by potentiometric method with ion selective electrode
PN C04576 ArkusZ02-1973 Water and waste water Tests for nitrogen Determination of ammonium nitrogen by titrimetric method
PN C04576 ArkusZ05-1973 Water and waste water Tests for nitrogen Determination of nitrogen in form of aramonia and ?n form of ammonium ions
PN C04576 ArkusZ01-1973 Water and waste water Tests for nitrogen Determination of ammonium nitrogen by colorimetric method with Nessler reagent
PN C04576-07-1987 Water and waste water Tests for nitfogen Determination of nitrate by colorimetric method after reduction in cadmium column
PN C04642-04-1991 Water and waste water. Tests of pollutants in atmospheric precipitation. Determination of ammonium nitrogen by colorimetric method
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?

Professional Standard - Forestry, Determination of nitrate nitrogen in water quality

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

Indonesia Standards, Determination of nitrate nitrogen in water quality

SNI 19-6964.7-2003 Seawater quality - Part 7: Test methods of nitrates (NO3-N) with cadmium reduction by spectrophotometry

CZ-CSN, Determination of nitrate nitrogen in water quality

CSN 65 4833-1982 Minerál Fertilizers Determination of Nitrie Nitrogen by Titrimetric Method

RU-GOST R, Determination of nitrate nitrogen in water quality

GOST EN 15604-2013 Fertilizers. Determination of different forms of nitrogen in the same sample: nitric, ammoniacal, cyanamide and urea nitrogen
GOST EN 15750-2016 Fertilizers. Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
GOST 33045-2014 Water. Methods for determination of nitrogen-containing matters
GOST 4192-1982 Drinking water. Methods for determination of mineral nitrogen-containing matters

BE-NBN, Determination of nitrate nitrogen in water quality

NBN T 91-256-1977 Water analysis methods - Determination of the nitrate nitrogen -Photometric method with chromotropic acid
NBN T 03-055-1979 Ammonium nitrate for industrial use - Determination of ammoniacal nitrogen content - Titrimetric method after distillation
NBN T 91-255-1976 Water analysis methods - Determination of the ammoniacal and organic nitrogen - (Kjeldahl nitrogen)
NBN T 91-257-1977 Water analysis methods - Determination of the nitrite nitrogen - Photoraetric method
NBN T 03-069-1979 Ammonium sulphate for industrial use - Determination of ammoniacal nitrogen content - Titrimetric method after distillation
NBN T 03-041-1979 Nitric acid for industrial use - Determination of ammoniacal nitrogen content - Spectrophotometric method
NBN T 91-252-1976 Water analysis methods - Determination of the ammoniacal nitro-gen after preliminary distillation
NBN T 91-254-1976 Water analysis methods - Determination of the ammoniacal nitrogen -Direct photometric methodwith sodium phenate
NBN T 03-068-1979 Ammonium sulphate for industrial use - Determination of matter insoluble in water - Gravimetrie method
NBN T 03-053-1979 Ammonium nitrate for industrial use - Determination of matter insoluble in water - Gravimetrie method
NBN T 91-251-1976 Water analysis methods — Determination of the ammoniacal nitrogen — Direct photometric method with Nessler reagent

International Organization for Standardization (ISO), Determination of nitrate nitrogen in water quality

ISO 4176:1981 Fertilizers; Determination of nitrate nitrogen content; Nitron gravimetric method
ISO 23695:2023 Water quality — Determination of ammonium nitrogen in water — Small-scale sealed tube method
ISO 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 2991:1974 Nitric acid for industrial use; Determination of ammoniacal nitrogen content; Spectrophotometric method
ISO 3330:1975 Ammonium nitrate for industrial use; Determination of ammoniacal nitrogen content; Titrimetric method after distillation
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 5663:1984 Water quality; Determination of Kjeldahl nitrogen; Method after mineralization with selenium
ISO 6777:1984 Water quality; Determination of nitrite; Molecular absorption spectrometric method
ISO/TR 11905-2:1997 Water quality - Determination of nitrogen - Part 2: Determination of bound nitrogen, after combustion and oxidation to nitrogen dioxide, using chemiluminescence detection
ISO 7890-3:1988 Water quality; determination of nitrate; part 3: spectrometric method using sulfosalicylic acid
ISO 11732:2005 Water quality - Determination of ammonium nitrogen - Method by flow analysis (CFA and FIA) and spectrometric detection
ISO 11905-1:1997 Water quality - Determination of nitrogen - Part 1: Method using oxidative digestion with peroxodisulfate
ISO 7890-1:1986 Water quality; Determination of nitrate; Part 1 : 2,6-Dimethylphenol spectrometric method
ISO 14238:1997 Soil quality - Biological methods - Determination of nitrogen mineralization and nitrification in soils and the influence of chemicals on these processes
ISO 14238:2012 Soil quality - Biological methods - Determination of nitrogen mineralization and nitrification in soils and the influence of chemicals on these processes
ISO 22863-10:2021 Fireworks - Test methods for determination of specific chemical substances - Part 10: Nitrogen content in nitrocellulose by iron(II) sulfate titration

中华人民共和国环境保护部, Determination of nitrate nitrogen in water quality

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
GB 11891-1989 Water quality-Determination of Kjeldahl nitrogen
GB 11896-1989 Water quality-Determination of chioride-Silver nitrate titration method
GB 13194-1991 Water quality-Determination of nitrobenzenc,mononitrotoluene(MNT),nitrochlorobenzenc and dinitrotolnene(ONT)-Gas chromatography
GB/T 13901-1992 Water quality-Determination of dinitrotolucnc-Oscillopolarography
GB 11900-1989 Water quality-Determination of trace amounts of arsenic-Spectrophotometric method with silver salt

Japanese Industrial Standards Committee (JISC), Determination of nitrate nitrogen in water quality

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
JIS K 0170-1:2011 Testing methods for water quality by flow analysis -- Part 1: Ammonium nitrogen
JIS K 0170-1:2019 Testing methods for water quality by flow analysis -- Part 1: Ammonium nitrogen
JIS K 0400-43-30:2000 Water quality -- Determination of nitrite -- Molecular absorption spectrometric method
JIS K 0400-44-40:2000 Water quality -- Determination of Kjeldahl nitrogen -- Method after mineralization with selenium
JIS K 0400-35-10:1999 Water quality -- Determination of chloride -- Silver nitrate titration with chromate indicator (Mohr's method)
JIS K 0400-45-10:2000 Water quality -- Determination of nitrogen -- Catalytic digestion after reduction with Devarda's alloy
JIS K 0400-35-40:2000 Water quality -- Determination of dissolved anions by liquid chromatography of ions -- Part 2: Determination of bromide, chloride, nitrate, nitrite, orthophosphate and sulfate in waste water

Jilin Provincial Standard of the People's Republic of China, Determination of nitrate nitrogen in water quality

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

Shandong Provincial Standard of the People's Republic of China, Determination of nitrate nitrogen in water quality

DB37/T 1897-2011 Determination of Soil Nitrate Nitrogen by Ion Chromatography

Tianjin Provincial Standard of the People's Republic of China, Determination of nitrate nitrogen in water quality

DB12/T 512-2014 Determination method of nitrate nitrogen in soil samples

European Committee for Standardization (CEN), Determination of nitrate nitrogen in water quality

PD CEN/TS 15750:2008 Fertilizers - Determination of different forms of nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
EN ISO 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 12260:2003 Water quality - Determination of nitrogen - Determination of bound nitrogen (TNb), following oxidation to nitrogen oxides
EN 13342:2000 Characterisation of sludges - Determination of Kjeldahl nitrogen
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 26777:1993 Water Quality - Determination of Nitrite - Molecular Absorption Spectrometric Method (ISO 6777: 1984)
prEN 26777-1992 Water quality; determination of nitrate; molecular absorption spectrometric method (ISO 6777:1984)
EN ISO 11732:2005 Water quality - Determination of ammonium nitrogen - Method by flow analysis (CFA and FIA) and spectrometric detection (ISO 11732:2005)
EN 25663:1993 Water quality; determination of Kjeldahl nitrogen; method after mineralization with selenium (ISO 5663:1984)
EN ISO 10304-1:2009/AC:2012 Water quality - Determination of dissolved anions by liquid chromatography of ions - Part 1: Determination of bromide, chloride, fluoride, nitrate, nitrite, phosphate and sulfate - Technical Corrigendum 1 (ISO 10304-1:2007/Cor 1:2010)
EN ISO 10304-1:2009 Water quality - Determination of dissolved anions by liquid chromatography of ions - Part 1: Determination of bromide, chloride, fluoride, nitrate, nitrite, phosphate and sulfate (ISO 10304-1:2007)

Professional Standard - Environmental Protection, Determination of nitrate nitrogen in water quality

HJ/T 198-2005 Water quality - Determination of nitrate-nitrogen Gas-phase molecular absorption spectrometry
HJ/T 346-2007 Water quality. Determination of nitrate-nitrogen. Ultraviolet spectrophotometry
HJ/T 197-2005 Water quality - Determination of nitrite-nitrogen Gas-phase molecular absorption spectrometry
HJ 537-2009 Water quality.Determination of ammonia nitrogen.Distillation-neutralization titration
HJ 536-2009 Water quality.Determination of ammonia nitrogen.Salicylic acid spectrophotometry
HJ 850-2017 Water quality — Determination of mesotrione —High performance liquid chromatography
HJ/T 343-2007 Water quality. Determination of chloride. mercury nitrate titration
HJ 1191-2021 Spectrophotometric method for the determination of water quality azide
HJ 716-2014 Water quality.Determination of nitroaromatics.Gas chromatography mass spectrometry
HJ 1150-2020 Determination of Nitrophenol Compounds in Water Quality by Gas Chromatography-Mass Spectrometry
HJ 665-2013 Water quality.Determination of ammonium nitrogen by continuous flow analysis (CFA) and Salicylic acid spectrophotometry
HJ 666-2013 Water quality.Determination of ammonium nitrogen by flow injection analysis (FIA) and Salicylic acid spectrophotometry
HJ/T 195-2005 Water quality - Determination of ammonia-nitrogen Gas-phase molecular absorption spectrometry
HJ 535-2009 Water quality.Determination of ammonia nitrogen.Nessler's reagent spectrophotometry
HJ 592-2010 Water quality.Determination of nitrobenzene-compounds by gas chromatography
HJ 809-2016 Water quality—Determination of nitrosamine compounds —Gas chromatography
HJ/T 196-2005 Water quality - Determination of Kjeldahl-nitrogen Gas-phase molecular absorption spectrcmetry

Group Standards of the People's Republic of China, Determination of nitrate nitrogen in water quality

T/CHES 13-2017 Water Quality Determination of Nitrate Nitrogen Gas Phase Molecular Absorption Spectrometry
T/CHES 14-2017 Water Quality Determination of Nitrite Nitrogen Gas Phase Molecular Absorption Spectrometry
T/NJ 1423-2023 Composite flexible electrode for soil nitrate nitrogen determination in agricultural equipment
T/NAIA 0169-2022 Water Quality Determination of Ammonia Nitrogen by Ion Chromatography
T/CHES 15-2017 Determination of Total Nitrogen in Water Quality Gas Phase Molecular Absorption Spectrometry
T/CHES 12-2017 Water Quality Determination of Ammonia Nitrogen Gas Phase Molecular Absorption Spectrometry

未注明发布机构, Determination of nitrate nitrogen in water quality

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 12260-2003(2008)*BS 6068-2.83:2003 Water quality — Determination of nitrogen — Determination of bound nitrogen (TNb), following oxidation to nitrogen oxides
BS EN ISO 17495:2003(2008) Water quality — Determination of selectednitrophenols — Method by solid - phase extraction and gas chromatography with mass spectrometric detection

ZA-SANS, Determination of nitrate nitrogen in water quality

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 9297:2007 Water quality - Determination of chloride - Silver nitrate titration with chromate indicator (Mohr's method)
SANS 11732:2006 Water quality - Determination of ammonium nitrogen - Method by flow analysis (CFA and FIA) and spectrometric detection
SANS 6777:1984 Water quality - Determination of nitrite - Molecular absorption spectrometric method
SANS 17495:2002 Water quality - Determination of selected nitrophenols - Method by solid-phase extraction and gas chromatography with mass spectrometric detection

GOSTR, Determination of nitrate nitrogen in water quality

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

Xinjiang Provincial Standard of the People's Republic of China, Determination of nitrate nitrogen in water quality

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

SE-SIS, Determination of nitrate nitrogen in water quality

SIS SS 02 81 33-1991 Determination of the sum of the nitrite and nitrate nitrogen content of water

Yunnan Provincial Standard of the People's Republic of China, Determination of nitrate nitrogen in water quality

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

TR-TSE, Determination of nitrate nitrogen in water quality

TS 2466-1976 Nitric Acit For Industrial Use Determination of Ammoniacal Nitrogen Content Spectrophotoraetric Method
TS 2083-1975 AMMONIUM NITRATE FOR INDUSTRIAL USE DETERMINATION OF MATTER INSOLUBLE ?N WATER GRAVIMETRIC METHOD

VN-TCVN, Determination of nitrate nitrogen in water quality

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 6624-2-2000 Water quality.Determination of nitrogen.Part 1: Determination of bound nitrogen, after combustion and oxidation to nitrogen dioxide, using chemiluminescence detection
TCVN 6180-1996 Water quality.Determination of nitrate.Spectrometric method using sulfosalicylic acid sunfosalixilic
TCVN 5987-1995 Water quality.Determination of Kjeldahl nitrogen.Method after mineralization with selenium
TCVN 6178-1996 Water quality.Determination of nitrite.Molecular absorption spectrometric method
TCVN 3705-1990 Aquatic products.Method for the determination of total nitrogen and protein content
TCVN 6624-1-2000 Water quality.Determination of nitrogen.Part 1: Method using oxidative digestion with peroxodisunfate
TCVN 6638-2000 Water quality.Determination of nitrogen.Catalytic digestion after reduction with devarda's alloy
TCVN 7323-1-2004 Water quality.Determination of nitrate.Part 1: 2,6-Dimethylphenol spectrometry method

Professional Standard - Urban Construction, Determination of nitrate nitrogen in water quality

CJ 26.26-1991 Municipal sewage water quality inspection method standard Determination of nitrite nitrogen spectrophotometric method
CJ/T 76-1999 Municipal sewage.Determination of nitrogen(nitrite).Sepectrophotometric method
CJ/T 3018.6-1993 Leachate.Determination of ammoniacal nitrogen.Distillation and titration method
CJ 26.25-1991 Determination of Standard Ammonia Nitrogen in Municipal Sewage Water Quality Inspection Method
CJ 26.27-1991 Municipal sewage water quality inspection method standard Determination of total nitrogen Titration method after distillation

Inner Mongolia Provincial Standard of the People's Republic of China, Determination of nitrate nitrogen in water quality

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, Determination of nitrate nitrogen in water quality

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

YU-JUS, Determination of nitrate nitrogen in water quality

JUS H.Z1.137-1985 Testing of industrial vvaters. Determination of nitrite-nitrate and the combined nitrite-nitrate nitrogen, Spectrophotometric method
JUS H.G8.042-1982 Reagents. Silver nitrate. Determination of substances insoluble in water. Gravimetric method
JUS H.G8.384-1989 Reagents. Calciun nitrate tetrahvdrate. Determination of suostances insoluble in water. Gravinetric nethod

NL-NEN, Determination of nitrate nitrogen in water quality

NEN 6646-1990 Water - Photometric determination of the content of ammonium nitrogen and of the sum of the contents of ammoniacal and organically bound nitrogen according to Kjeldahl by continuous flow analysis
NEN 6482-1982 Water - Determination of the sum of ammoniacal and organically bound nitrogen according to Kjeldahl after mineralization with selenium
NEN 6481-1983 Water - Determination of the sum of ammoniacal and organically bound nitrogen according to Kjeldahl after mineralization with selenium
NEN-ISO 5663:1993 Water quality. Determination of kjeldahl nitrogen. Method after mineralizaton with selenium (ISO 5663:1984)
NEN-ISO 6777:1993 Water quality. Determination of nitrite. Molecular absorption spectrometric method (ISO 6777:1984)

国家市场监督管理总局、中国国家标准化管理委员会, Determination of nitrate nitrogen in water quality

GB/T 39305-2020 Reclaimed water quality—Determination of fluoride,chloride,nitrite,nitrate,sulfate—Ion chromatography

Taiwan Provincial Standard of the People's Republic of China, Determination of nitrate nitrogen in water quality

CNS 12630-2004 Method of test for fruit and vegetable juices and drinks－Determination of formol nitrogen

AT-ON, Determination of nitrate nitrogen in water quality

ONORM M 6248-1988 Water quality; determlnation of Kjeldabl nitrogen; method ajter mineralization with selenium
ONORM M 6289-1991 Water quality - Determination of chloride Silver nitrate titration with Chromate indicator (Mohr's method)
ONORM EN 26777-1993 Water quality - Determination of nitrite - Molecular absorption spectrometric method (ISO 6777:1984)
ONORM EN 25663-1993 Water quality. Determination of Kjeldahl nitrogen. Method after mineralization with selenium (ISO 5663:1984)
ONORM M 6238 Teil.2-1986 Water analysis; determination ofnitrate; 4-fluorophenol spectrometric method after distillation

RO-ASRO, Determination of nitrate nitrogen in water quality

STAS SR ISO 6777:1996 Water quality - Determination of nitrite - Molecular absorption spectrometric method

KR-KS, Determination of nitrate nitrogen in water quality

KS I ISO 6332-2021 Water quality ― Determination of iron —Spectrometric method using 1,10-phenanthroline
KS I ISO 10695-2021 Water quality — Determination of selected organic nitrogen and phosphorus compounds — Gas chromatographic methods
KS M ISO 10048-2003 WATER QUALITY - DETERMINATION OF NITROGEN - CATALYTIC DIGESTION AFTER REDUCTION WITH DEVARDA'S ALLOY
KS I ISO 14238-2018 Soil quality ― Biological methods ― Determination of nitrogen mineralization and nitrification in soils and the influence of chemicals on these processes

BELST, Determination of nitrate nitrogen in water quality

STB 17.13.05-38-2015 Environmental protection and nature use. Analytical (laboratory) control and monitoring. Water quality. Determination of nitrit nitrogen concentration by photometric method with Griss reactant
STB 17.13.05-43-2015 Еnvironmental pгоtесtion and nature use. Analytic (laboratory) control and monitoring of the environment. Water quality. Determination of the concentration of nitrogen of nitrates by photometric method with salicylic acid

Hunan Provincial Standard of the People's Republic of China, Determination of nitrate nitrogen in water quality

DB43/T 1403-2018 Water Quality Determination of Ammonia Nitrogen-Gas-liquid Separation and Collection Spectrophotometry

Professional Standard - Geology, Determination of nitrate nitrogen in water quality

DZ/T 0064.60-1993 Spectrophotometric method for determination of nitrite radicals in groundwater quality testing
DZ/T 0064.59-1993 Groundwater Quality Examination Method Determination of Nitrate by Ultraviolet Spectrophotometry

Professional Standard - Ocean, Determination of nitrate nitrogen in water quality

HY/T 0345-2022 Determination of seawater trace nitrite—Flow analysis,diazotization and spectrophotometric detection witha long path length flow cell