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Nitrate nitrogen and nitrite nitrogen

Nitrate nitrogen and nitrite nitrogen, Total:314 items.

In the international standard classification, Nitrate nitrogen and nitrite nitrogen involves: Vocabularies, Water quality, Soil quality. Pedology, Meat, meat products and other animal produce, General methods of tests and analysis for food products, Fertilizers, Test conditions and procedures in general, Analytical chemistry, Paint ingredients, Environmental testing, Fruits. Vegetables, Inorganic chemicals, Milk and milk products, Farming and forestry, Air quality, Prepackaged and prepared foods, Animal feeding stuffs, Environmental protection, Food products in general, Geology. Meteorology. Hydrology, Products of non-ferrous metals, Ferroalloys, Biology. Botany. Zoology, Wastes.

Danish Standards Foundation, Nitrate nitrogen and nitrite nitrogen

DS 223:1991 Water analysis. Determination of the sum of nitrite- and nitrate-nitrogen
DS 230:1988 Water quality. Nitrate- + nitrite-nitrogen. Reduction by Devardas alloy
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 12014-3:2005 Foodstuffs – Determination of nitrate and/or nitrite content – Part 3: Spectrometric determination of nitrate and nitrite content of meat products after enzymatic reduction of nitrate to nitrite
DS/EN 15559:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Arnd
DS/EN 12014-4:2005 Foodstuffs – Determination of nitrate and/or nitrite content – Part 4: Ion-exchange chromatographic (IC) method for the determination of nitrate and nitrite content of meat products
DS/EN 15561:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates
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 12014-1/A1:1999 Foodstuffs - Determination of nitrate and/or nitrite content - Part 1: General considerations
DS/EN 12014-1:1998 Foodstuffs - Determination of nitrate and/or nitrite content - Part 1: General considerations
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 12014-5:1998 Foodstuffs - Determination of nitrate and/or nitrite content - Part 5: Enzymatic determination of nitrate content of vegetable-containing food for babies and infants
DS/EN 12014-2:1998 Foodstuffs - Determination of nitrate and/or nitrite content - Part 2:HPLC/IC method for the determination of nitrate content of vegetables and vegetable products
DS/EN ISO 14673-1:2004 Milk and milk products - Determination of nitrate and nitrite contents - Part 1: Method using cadmium reduction and spectrometry
DS/EN 12014-7:1999 Foodstuffs - Determination of nitrate and/or nitrite content - Part 7: Continous Flow method for the determination of nitrate content of vegetables and vegetable products after Cadmium reduction
DS/CEN/TS 16177:2012 Sludge, treated biowaste and soil - Extraction for the determination of extractable ammonia, nitrate and nitrite
DS/EN ISO 14673-2:2004 Milk and milk products - Determination of nitrate and nitrite contents - Part 2: Method using segmented flow analysis (Routine method)

NO-SN, Nitrate nitrogen and nitrite nitrogen

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

Professional Standard - Environmental Protection, Nitrate nitrogen and nitrite nitrogen

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

SE-SIS, Nitrate nitrogen and nitrite nitrogen

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

Group Standards of the People's Republic of China, Nitrate nitrogen and nitrite nitrogen

T/CPCIF 0168-2021 Rapid detection kits for nitrite，nitrate and ammonia nitrogen in water
T/CHES 14-2017 Water Quality Determination of Nitrite Nitrogen Gas Phase Molecular Absorption Spectrometry
T/CHES 13-2017 Water Quality Determination of Nitrate Nitrogen Gas Phase Molecular Absorption Spectrometry
T/SATA 053-2023 Determination of bromate, nitrite, chlorate, nitrate and thiocyanate in infant formula - Ion Chromatography
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

Yunnan Provincial Standard of the People's Republic of China, Nitrate nitrogen and nitrite nitrogen

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

YU-JUS, Nitrate nitrogen and nitrite nitrogen

JUS H.Z1.137-1985 Testing of industrial vvaters. Determination of nitrite-nitrate and the combined nitrite-nitrate nitrogen, Spectrophotometric method

CZ-CSN, Nitrate nitrogen and nitrite nitrogen

CSN 68 7137-1973 Cupferron (N-Nitroso-N-phenylhyclroxylamine ammotiium salt)
CSN 65 4102-1984 Tempenng hitrate and nitrite salts
CSN 57 0158-1986 Testing methods for meat products and canned sterilized food. Determination of nitrite and nitrate content

未注明发布机构, Nitrate nitrogen and nitrite nitrogen

BS EN ISO 13395:1996(1998) Water quality — Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection
DIN EN 12014-1:1997 Foodstuffs – Determination of nitrate and/or nitrite content DIN Part 1: General considerations

RO-ASRO, Nitrate nitrogen and nitrite nitrogen

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 10314-1984 MILK AND MILK PRODUCTS Determination of nitrites and nitrates content
STAS 11624/1-1983 PHOSPHATING SOLUTIONS Determination of phosphoric acid, azotic acid and sodiimi nitrate
STAS 11581-1983 VEGETABLE AND FRUIT PRODUCTSAND VEGETABLE WITH MEAT PRODUCTS Determination of nitrate and nitrite contents
STAS 8900/2-1971 SURFACE AND WASTE WATERS Nitrite determination

Korean Agency for Technology and Standards (KATS), Nitrate nitrogen and nitrite nitrogen

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 H ISO 4099:2001 Cheese－Determination of nitrate and nitrite contents－Method by cadmium reduction and photometry
KS H ISO 4099:2006 Cheese－Determination of nitrate and nitrite contents－Method by cadmium reduction and photometry
KS H ISO 6736:2006 Dried milk－Determination of nitrate and nitrite contents－Method by cadmium reduction and photometry
KS H ISO 6736:2001 Dried milk－Determination of nitrate and nitrite contents－Method by cadmium reduction and photometry
KS I ISO 14255:2009 Soil quality－Determination of nitrate nitrogen, ammonium nitrogen and total soluble nitrogen in air-dry soils using calcium chloride solution as extractant
KS H ISO 6740:2001 Dried whey－Determination of nitrate and nitrite contents－Method by cadmium reduction and spectrometry
KS H ISO 6740:2006 Dried whey－Determination of nitrate and nitrite contents－Method by cadmium reduction and spectrometry
KS H ISO 8195:2001 Caseins and caseinates－Determination of nitrate and nitrite contents－Method by cadmium reduction and spectrometry
KS H ISO 8195:2006 Caseins and caseinates－Determination of nitrate and nitrite contents－Method by cadmium reduction and spectrometry
KS H ISO 6739:2001 Whey cheese－Determination of nitrate and nitrite contents－Method by cadmium reduction and spectrometry
KS H ISO 6739:2006 Whey cheese－Determination of nitrate and nitrite contents－Method by cadmium reduction and spectrometry
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

Japanese Industrial Standards Committee (JISC), Nitrate nitrogen and nitrite nitrogen

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

German Institute for Standardization, Nitrate nitrogen and nitrite nitrogen

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 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 12014-3:2005 Foodstuffs - Determination of nitrate and/or nitrite content - Part 3: Spectrometric determination of nitrate and nitrite content of meat products after enzymatic reduction of nitrate to nitrite; German version EN 12014-3:2005
DIN EN 12014-3:2005-08 Foodstuffs - Determination of nitrate and/or nitrite content - Part 3: Spectrometric determination of nitrate and nitrite content of meat products after enzymatic reduction of nitrate to nitrite; German version EN 12014-3:2005
DIN EN 15558:2009-06 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Ulsch; German version EN 15558:2009
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 12014-4:2005 Foodstuffs - Determination of nitrate and/or nitrite content - Part 4: Ion-exchange chromatographic (IC) method for the determination of nitrate and nitrite content of meat products; German version EN 12014-4:2005
DIN EN 12014-4:2005-08 Foodstuffs - Determination of nitrate and/or nitrite content - Part 4: Ion-exchange chromatographic (IC) method for the determination of nitrate and nitrite content of meat products; German version EN 12014-4:2005
DIN CEN/TS 15604:2008 Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen; German version CEN/TS 15604:2007
DIN CEN/TS 15750:2008 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods; German version CEN/TS 15750:2008
DIN EN 15561:2021 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates; German and English version prEN 15561:2021
DIN EN 15561:2021-12 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates; German and English version prEN 15561:2021 / Note: Date of issue 2021-11-05*Intended as replacement for DIN EN 15561 (2009-06).
DIN EN 15561:2009-06 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates; German version EN 15561:2009 / Note: To be replaced by DIN EN 15561 (2021-12).
DIN EN 12014-1:1999 Foodstuffs - Determination of nitrate and/or nitrite content - Part 1: General considerations (including Amendment A1:1999); German version EN 12014-1:1997 + A1:1999
DIN EN 15561:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates; English version of DIN EN 15561:2009-06
DIN 10476:2001 Determination of nitrite and nitrate content of milk products - Enzymatic method (color test)
DIN EN 12014-2:1997 Foodstuffs - Determination of nitrate and/or nitrite content - Part 2: HPLC/IC method for the determination of nitrate content of vegetables and vegetable products; German version EN 12014-2:1997
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 EN 12014-2:2018-02 Foodstuffs - Determination of nitrate and/or nitrite content - Part 2: HPLC/IC method for the determination of nitrate content of vegetables and vegetable products; German version EN 12014-2:2017
DIN EN 12014-5:1997 Foodstuffs - Determination of nitrate and/or nitrite content - Part 5: Enzymatic determination of nitrate content of vegetable-containing food for babies and infants; German version EN 12014-5:1997
DIN EN 12014-2:2018 Foodstuffs - Determination of nitrate and/or nitrite content - Part 2: HPLC/IC method for the determination of nitrate content of vegetables and vegetable products
DIN EN 12014-5:1997-08 Foodstuffs - Determination of nitrate and/or nitrite content - Part 5: Enzymatic determination of nitrate content of vegetable-containing food for babies and infants; German version EN 12014-5:1997
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 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 16177:2012-05*DIN SPEC 91260:2012-05 Sludge, treated biowaste and soil - Extraction for the determination of extractable ammonia, nitrate and nitrite; German version CEN/TS 16177:2012
DIN EN ISO 14673-1:2004 Milk and milk products - Determination of nitrate and nitrite contents - Part 1: Method using cadmium reduction and spectrometry (ISO 14673-1:2004); German version EN ISO 14673-1:2004
DIN EN ISO 14673-1:2004-05 Milk and milk products - Determination of nitrate and nitrite contents - Part 1: Method using cadmium reduction and spectrometry (ISO 14673-1:2004); German version EN ISO 14673-1:2004
DIN EN 12014-7:1998 Foodstuffs - Determination of nitrate and/or nitrite content - Part 7: Continuous flow method for the determination of nitrate content of vegetables and vegetable products after cadmium reduction; German version EN 12014-7:1998
DIN EN 12014-7:1998-08 Foodstuffs - Determination of nitrate and/or nitrite content - Part 7: Continuous flow method for the determination of nitrate content of vegetables and vegetable products after cadmium reduction; German version EN 12014-7:1998
DIN EN ISO 14673-2:2004 Milk and milk products - Determination of nitrate and nitrite contents - Part 2: Method using segmented flow analysis (Routine method) (ISO 14673-2:2004); German version EN ISO 14673-2:2004

Lithuanian Standards Office , Nitrate nitrogen and nitrite nitrogen

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 12014-3-2005 Foodstuffs - Determination of nitrate and/or nitrite content - Part 3: Spectrometric determination of nitrate and nitrite content of meat products after enzymatic reduction of nitrate to nitrite
LST EN 15559-2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Arnd
LST EN 12014-4-2005 Foodstuffs - Determination of nitrate and/or nitrite content - Part 4: Ion-exchange chromatographic (IC) method for the determination of nitrate and nitrite content of meat products
LST EN 15561-2009 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates
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 12014-1+A1-2001 Foodstuffs - Determination of nitrate and/or nitrite content - Part 1: General considerations
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 12014-5-2001 Foodstuffs - Determination of nitrate and/or nitrite content - Part 5: Enzymatic determination of nitrate content of vegetable-containing food for babies and infants
LST EN 12014-2-2001 Foodstuffs - Determination of nitrate and/or nitrite content - Part 2: HPLC/IC method for the determination of nitrate content of vegetables and vegetable products
LST EN 12014-7-2001 Foodstuffs - Determination of nitrate and/or nitrite content - Part 7: Continuous flow method for the determination of nitrate content of vegetables and vegetable products after Cadmium reduction

中华人民共和国环境保护部, Nitrate nitrogen and nitrite nitrogen

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

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

GB/T 7493-1987 Water quality--Determination of nitrogen (nitrite)--Spectrophotometric method
GB/T 42487-2023 Soil quality Determination of soil nitrate nitrogen, nitrite nitrogen and ammonium nitrogen potassium chloride solution leaching flow analysis method
GB/T 42485-2023 Soil quality Determination of soil nitrate nitrogen, nitrite nitrogen and ammonium nitrogen
GB 6912.2-1986 Determination of nitrate and nitrite - Nitrite UV photometric method
GB 6912.1-1986 Determination of nitrate and nitrite - Nitrate UV photometric method
GB 6912.3-1986 Determination of nitrate and nitrite a-naphthylamine hydrochloride spectrophotometric method
GB/T 6912.2-1986 Methods for analysis of water for boiler and for cooling--The determination of nitrates and nitrites--Ultraviolet spectrophotometry for nitrites
GB/T 6912.1-1986 Methods for analysis of water for boiler and for cooling--The determination of nitrates and nitrites--Ultraviolet spectrophotometry for nitrates
GB/T 7480-1987 Water quality--Determination of nitrate--Spectrophotometric method with phenol disulfonic acid
GB/T 15401-1994 Fruits,vegetables and derived products--Determination of nitrite and nitrate content
GB/T 6912.1-2006 Methods for analysis of water for boiler and for cooling. Determination of nitrates and nitrites. Part 1: Ultraviolet spectrophotometry for nitrates
GB/T 6912.3-1986 Methods for analysis of water for boiler and for cooling--The determination of nitrates and nitrites--Alpha-naphthylamine hydrochloride photometric method
GB/T 4701.4-2008 Ferrotitanium. Determination of manganese content. Arsenite-salt and sodium-salt titrimetric method and periodate photometric method

European Committee for Standardization (CEN), Nitrate nitrogen and nitrite 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
DD ENV 12014-3-1998 Foodstuffs - Determination of Nitrate and/or Nitrite Content - Part 3: Spectrometric Determination of Nitrate and Nitrite Content of Meat Products After Enzymatic Reduction of Nitrate to Nitrite
EN 12014-3:2005 Foodstuffs - Determination of nitrate and/or nitrite content - Part 3: Spectrometric determination of nitrate and nitrite content of meat products after enzymatic reduction of nitrate to nitrite
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 12014-4:2005 Foodstuffs - Determination of nitrate and/or nitrite content - Part 4: Ion-exchange chromatographic (IC) method for the determination of nitrate and nitrite content of meat products
EN 15604:2009 Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
EN 15561:2023 Inorganic fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates
EN 12014-5:1997 Foodstuffs - Determination of nitrate and/or nitrite content - Part 5: Enzymatic determination of nitrate content of vegetable-containing food for babies and infants
EN 12014-2:1997 Foodstuffs - Determination of nitrate and/or nitrite content - Part 2: HPLC/IC method for the determination of nitrate content of vegetables and vegetable products
EN 12014-2:2017 Foodstuffs - Determination of nitrate and/or nitrite content - Part 2: HPLC/IC method for the determination of nitrate content of vegetables and vegetable products
EN 12014-1:1997/A1:1999 Foodstuffs - Determination of nitrate and/or nitrite content - Part 1: General considerations
CEN/TS 16177:2012 Sludge, treated biowaste and soil - Extraction for the determination of extractable ammonia, nitrate and nitrite
EN 12014-1:1997 Foodstuffs - Determination of Nitrate and/or Nitrite Content - Part 1: General Considerations (Incorporates Amendment A1: 1999)
EN 1592-4:1997 Aluminium and aluminium alloys - HF seam welded tubes - Part 4: Tolerances on dimensions and form for square, rectangular and shaped tubes
EN 12014-7:1998 Foodstuffs - Determination of nitrate and/or nitrite content - Part 7: Continuous flow method for the determination of nitrate content of vegetables and vegetable products after cadmium reduction
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)

International Organization for Standardization (ISO), Nitrate nitrogen and nitrite nitrogen

ISO 13395:1996 Water quality - Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection
ISO 4176:1981 Fertilizers; Determination of nitrate nitrogen content; Nitron gravimetric method
ISO 6736:1982 Dried milk; Determination of nitrate and nitrite contents; Method by cadmium reduction and photometry
ISO 4099:1984 Cheese; Determination of nitrate and nitrite contents; Method by cadmium reduction and photometry
ISO 4099:1978 Cheese — Determination of nitrate and nitrite contents — Method by cadmium reduction and photometry
ISO/FDIS 7158:2023 Meat and meat products — Determination of nitrite and nitrate content — Ion chromatography method
ISO 6739:1988 Whey cheese; determination of nitrate and nitrite contents; method by cadmium reduction and spectrometry
ISO/DIS 7158 Meat and meat products — Determination of nitrite and nitrate content — Ion chromatography method
ISO 14255:1998 Soil quality - Determination of nitrate nitrogen, ammonium nitrogen and total soluble nitrogen in air-dry soils using calcium chloride solution as extractant
ISO 6739:1982 Whey cheese — Determination of nitrate and nitrite contents — Method by cadmium reduction and photometry
ISO 6740:1985 Dried whey; Determination of nitrate and nitrite contents; Method by cadmium reduction and spectrometry
ISO 2991:1974 Nitric acid for industrial use; Determination of ammoniacal nitrogen content; Spectrophotometric method
ISO 8195:1987 Caseins and caseinates; Determination of nitrate and nitrite contents; Method by cadmium reduction and spectrometry
ISO 14673-1:2004 | IDF 189-1:2004 Milk and milk products — Determination of nitrate and nitrite contents — Part 1: Method using cadmium reduction and spectrometry
ISO 14673-1:2001 | IDF 189-1: 2001 Milk and milk products — Determination of nitrate and nitrite contents — Part 1: Method using cadmium reduction and spectrometry
ISO 3330:1975 Ammonium nitrate for industrial use; Determination of ammoniacal nitrogen content; Titrimetric method after distillation
ISO 14673-1:2001 Milk and milk products - Determination of nitrate and nitrite contents - Part 1: Method using cadmium reduction and spectrometry
ISO 14673-1:2004 Milk and milk products - Determination of nitrate and nitrite contents - Part 1: Method using cadmium reduction and spectrometry
ISO 14673-1:2004|IDF 189-1:2004 Determination of nitrate and nitrite content in milk and dairy products Part 1: Cadmium reduction and spectroscopic methods
ISO 6635:1984 Fruits, vegetables and derived products; Determination of nitrite and nitrate content; Molecular absorption spectrometric method
ISO 14673-2:2001 Milk and milk products - Determination of nitrate and nitrite contents - Part 2: Method using segmented flow analyses (Routine method)
ISO 14673-2:2004 Milk and milk products - Determination of nitrate and nitrite contents - Part 2: Method using segmented flow analysis (Routine method)
ISO 14673-2:2004|IDF 189-2:2004 Determination of nitrate and nitrite content in milk and dairy products Part 2: Stratified flow analysis method (conventional method)
ISO 10304-2:1995 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
ISO 14673-2:2001 | IDF 189-2: 2001 Milk and milk products — Determination of nitrate and nitrite contents — Part 2: Method using segmented flow analysis (Routine method)
ISO 14673-2:2004 | IDF 189-2:2004 Milk and milk products — Determination of nitrate and nitrite contents — Part 2: Method using segmented flow analysis (Routine method)

ZA-SANS, Nitrate nitrogen and nitrite nitrogen

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 5210:2006 Water - Nitrate and nitrite content
SANS 5210:2010 Water - Nitrate and nitrite content

FI-SFS, Nitrate nitrogen and nitrite nitrogen

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

AENOR, Nitrate nitrogen and nitrite nitrogen

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 12014-3:2006 Foodstuffs - Determination of nitrate and/or nitrite content - Part 3: Spectrometric determination of nitrate and nitrite content of meat products after enzymatic reduction of nitrate to nitrite
UNE-EN 15559:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Arnd
UNE-EN 12014-4:2006 Foodstuffs - Determination of nitrate and/or nitrite content - Part 4: Ion-exchange chromatographic (IC) method for the determination of nitrate and nitrite content of meat products
UNE-EN 15561:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates
UNE-EN 15604:2009 Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
UNE-EN 15750:2010 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
UNE-EN 12014-1/A1:2001 FOODSTUFFS. DETERMINATION OF NITRATE AND/OR NITRITE CONTENT. PART 1: GENERAL CONSIDERATIONS.
UNE-EN 12014-1:1997 FOODSTUFFS. DETERMINATION OF NITRATE AND/OR NITRITE CONTENT. PART 1: GENERAL CONSIDERATIONS.
UNE-EN 12014-2:1998 Foodstuffs - Determination of nitrate and/or nitrite content - Part 2: HPLC/IC method for the determination of nitrate content of vegetables and vegetable products
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 12014-5:1997 FOODSTUFFS. DETERMINATION OF NITRATE AND/OR NITRITE CONTENT. PART 5: ENZYMATIC DETERMINATION OF NITRATE CONTENT OF VEGETABLE-CONTAINING FOOD FOR BABIES AND INFANTS.
UNE-EN 12014-7:2000 FOODSTUFF - DETERMINATION OF NITRATE AND/OR NITRITE CONTENT- PART 7: CONTINUOUS FLOW METHOD FOR THE DETERMINATION OF NITRATE CONTENT OF VEGETABLES AND VEGETABLE PRODUCTS AFTER CADMIUM REDUCTION

Association Francaise de Normalisation, Nitrate nitrogen and nitrite nitrogen

NF EN ISO 13395:1996 Qualité de l'eau - Détermination de l'azote nitreux et de l'azote nitrique et de la somme des deux par analyse en flux (CFA et FIA) et détection spectrométrique
NF 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 V03-010-3*NF EN 12014-3:2005 Foodstuffs - Determination of nitrate and/or nitrite content - Part 3 : spectrometric determination of nitrate and nitrite content of meat products after enzymatic reduction of nitrate to nitrite
NF EN 12014-3:2005 Produits alimentaires - Détermination de la teneur en nitrates et/ou en nitrites - Partie 3 : détermination spectrométrique de la teneur en nitrates et en nitrites des produits carnés après réduction enzymatique des nitrates en nitrites
NF U42-142*NF EN 15476:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Devarda
NF EN 15558:2009 Engrais - Dosage de l'azote nitrique et ammoniacal selon Ulsch
NF EN 12014-4:2005 Produits alimentaires - Détermination de la teneur en nitrates et/ou en nitrites - Partie 4 : détermination par chromatographie ionique (CI) de la teneur en nitrates et en nitrites dans les produits carnés
NF EN 15559:2009 Engrais - Dosage de l'azote nitrique et ammoniacal selon Arnd
NF V03-010-4*NF EN 12014-4:2005 Foodstuffs - Determination of nitrate and/or nitrite content - Part 4 : ion-exchange chromatographic (IC) method for the determination of nitrate and nitrite content of meat products
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 V05-121:1979 Fruits, légumes et produits dérivés - Détermination des teneurs en nitrites et en nitrates
NF T20-296:1970 Chemical analysis of sulphuric acid and oleums. Determination of nitrous nitrogen and nitric nitrogen.
NF EN 15476:2009 Engrais - Détermination de l'azote nitrique et ammoniacal selon Devarda
NF EN 15560:2009 Engrais - Dosage de l'azote total dans la cyanamide calcique exempte de nitrate
NF V04-292:1986 Dried whey. Determination of nitrate and nitrite contents. Method by cadmium reduction and spectrometry.
NF V04-290:1985 Cheese. Determination of nitrate and nitrite contents. Method by cadmium reduction and photometry.
NF V04-351:1985 DRIED MILK. DETERMINATION OF NITRATE AND NITRITE CONTENTS. METHOD BY CADMIUM REDUCTION AND PHOTOMETRY.
NF V04-291:1989 WHEY CHEESE. DETERMINATION OF NITRATE AND NITRITE CONTENTS. METHOD BY CADMIUM REDUCTION AND SPECTROMETRY.
NF V03-010-1*NF EN 12014-1:1997 Foodstuffs - Determination of nitrate and/or nitrite content - Part 1 : general considerations.
NF U42-146*NF EN 15560:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free.
NF V03-010-2*NF EN 12014-2:2017 Foodstuffs - Determination of nitrate and/or nitrite content - Part 2 : HPLC/IC method for the determination of nitrate content of vegetables and vegetable products
NF V03-010-2:1997 Foodstuffs. Determination of nitrate and/or nitrite content. Part 2 : HPLC/IC method for the determination of nitrate content of vegetables and vegetable products.
NF V04-390:1988 Caseins and caseinates. Determination of nitrate and nitrite contents. Method by cadmium reduction and spectrometry.
NF EN 12014-5:1997 Produits alimentaires - Détermination de la teneur en nitrates et/ou en nitrites - Partie 5 : détermination enzymatique de la teneur en nitrates des aliments à base de légumes pour bébés et petits enfants.
NF EN 12014-1:1997 Produits alimentaires - Détermination de la teneur en nitrates et/ou en nitrites - Partie 1 : considérations générales
NF EN 12014-1/A1:2001 Produits alimentaires - Détermination de la teneur en nitrates et/ou en nitrites - Partie 1 : considérations générales
NF EN 12014-2:2017 Produits alimentaires - Détermination de la teneur en nitrates et/ou en nitrites - Partie 2 : méthode de détermination par CLHP/CI de la teneur en nitrates des légumes et des produits à base de légumes
NF V04-172-1*NF EN ISO 14673-1:2004 Milk and milk products - Determination of nitrate and nitrite contents - Part 1 : method using cadmium reduction and spectrometry.
NF V03-010-5*NF EN 12014-5:1997 Foodstuffs. Determination of nitrate and/or nitrite content. Part 5 : enzymatic determination of nitrate content of vegetable containing food for babies and infants.
NF EN ISO 14673-1:2004 Lait et produits laitiers - Détermination des teneurs en nitrates et en nitrites - Partie 1 : méthode par réduction au cadmium et spectrométrie
NF V03-010-1/A1*NF EN 12014-1/A1:2001 Foodstuffs - Determination of nitrate and/or nitrite content - Part 1 : general considerations
NF EN 12014-7:1998 Produits alimentaires - Détermination de la teneur en nitrates et/ou en nitrites - Partie 7 : détermination de la teneur en nitrates par flux continu dans les légumes et les produits à base de légumes, après réduction au cadmium.
NF V04-172-2*NF EN ISO 14673-2:2004 Milk and milk products - Determination of nitrate and nitrite contents - Part 2 : method using segmented flow analysis (Routine 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
XP CEN/TS 16177:2012 Boues, biodéchets traités et sols - Extraction pour la détermination de l'azote nitrique et ammoniacal extractible
XP X31-080*XP CEN/TS 16177:2012 Sludge, treated biowaste and soil - Extraction for the determination of extractable ammonia, nitrate and nitrite
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.

British Standards Institution (BSI), Nitrate nitrogen and nitrite nitrogen

BS EN 12014-3:2005 Foodstuffs - Determination of nitrate and/or nitrite content - Spectrometric determination of nitrate and nitrite content of meat products after enzymatic reduction of nitrate to nitrite
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
BS 5551-4.1.1:1981 Fertilizers - Chemical analysis - Determination of nitrogen - Nitron gravimetric method for determination of nitrate nitrogen
DD ENV 12014-4-1998 Foodstuffs. Determination of nitrate and/or nitrite content. Ion-exchange chromatographic (IC) method for the determination of nitrate and nitrite content of meat products
BS EN 12014-4:2005 Foodstuffs - Determination of nitrate and/or nitrite content - Ion-exchange chromatographic (IC) method for the determination of nitrate and nitrite content of meat products
BS EN 12014-1:1997(2000) Foodstuffs - Determination of nitrate and/or nitrite content - General considerations
BS EN 12014-1:1997 Foodstuffs - Determination of nitrate and/or nitrite content - General considerations
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 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 6248-11:1987 Caseins and caseinates. Method for determination of nitrate and nitrite contents
BS EN 15559:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Arnd
DD CEN/TS 15561:2007 Fertilizers. Determination of total nitrogen in calcium cyanamide containing nitrates
BS EN 12014-5:1997 Foodstuffs - Determination of nitrate and/or nitrite content - Enzymatic determination of nitrate content of vegetable-containing food for babies and infants
BS EN 12014-2:1997 Foodstuffs - Determination of nitrate and/or nitrite content - HPLC/IC method for the determination of nitrate content of vegetables and vegetable products
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 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
23/30444433 DC BS ISO 7158. Meat and meat products. Determination of nitrite and nitrate content. Ion chromatography method
BS EN ISO 14673-1:2004 Milk and milk products - Determination of nitrate and nitrite contents - Method using cadmium reduction and spectrometry
BS EN 12014-7:1998 Foodstuffs - Determination of nitrate and/or nitrite content - Continuous flow method for the determination of nitrate content of vegetables and vegetable products after cadmium reduction
BS 770-9:1985 Methods for chemical analysis of cheese. Determination of nitrate and nitrite contents. Cadmium reduction and photometry method

BE-NBN, Nitrate nitrogen and nitrite nitrogen

NBN T 91-257-1977 Water analysis methods - Determination of the nitrite nitrogen - Photoraetric method
NBN V 21-027-1982 Cheese - Determination of nitrate and nitrite contents - Reference method
NBN V 21-028-1982 Dried milk and whey powder - Determination of nitrate and nitrite contents -Reference 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

Professional Standard - Urban Construction, Nitrate nitrogen and nitrite nitrogen

CJ/T 76-1999 Municipal sewage.Determination of nitrogen(nitrite).Sepectrophotometric method
CJ 26.26-1991 Municipal sewage water quality inspection method standard Determination of nitrite nitrogen spectrophotometric method

(U.S.) Ford Automotive Standards, Nitrate nitrogen and nitrite nitrogen

FORD FLTM AK 103-02-2001 QUANTITATIVE ANALYSIS OF NITRITE (AS NO2) IN CLEANERS

CEN - European Committee for Standardization, Nitrate nitrogen and nitrite nitrogen

PD CEN/TS 15559:2007 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Arnd
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
EN ISO 14673-1:2001 Milk and Milk Products - Determination of Nitrate and Nitrite Contents - Part 1: Method Using Cadmium Reduction and Spectrometry
EN ISO 14673-2:2001 Milk and Milk Products - Determination of Nitrate and Nitrite Contents - Part 2: Method Using Segmented Flow Analysis (Routine Method)

RU-GOST R, Nitrate nitrogen and nitrite nitrogen

GOST 30181.3-1994 Mineral fertilizers. Method for determination of mass fraction of nitrogen in fertilizers with nitrate nitrogen
GOST 27753.7-1988 Greenhouse grounds methods for determination of nitrate nitrogen
GOST EN 12014-3-2015 Foodstuffs. Determination of nitrate and/or nitrite content. Part 3. Spectrophotometric determination of nitrate and nitrite content of meat products after enzymatic reduction of nitrate to nitrite
GOST EN 15604-2013 Fertilizers. Determination of different forms of nitrogen in the same sample: nitric, ammoniacal, cyanamide and urea nitrogen
GOST EN 12014-4-2015 Foodstuffs. Determination of nitrate and/or nitrite content. Part 4. Determination of nitrate and nitrite content in meat products by ion-exchange chromatographic method
GOST 32257-2013 Milk and milk products. Method for determination of nitrate and nitrite contents
GOST 13496.19-2015 Feeds, mixed feeds and raw material. Methods for determination of nitrate and nitrite
GOST 30181.9-1994 Mineral fertilizers. Method for determination of total mass fraction of nitrogen in compound fertilizers (distillation method using the chromium reduction of nitrate nitrogen and mineralization of organic nitrogen)
GOST EN 15560-2013 Fertilizers. Determination of total nitrogen in calcium cyanamide nitrate free
GOST EN 15561-2013 Fertilizers. Determination of total nitrogen in calcium cyanamide containing nitrates
GOST EN 15750-2016 Fertilizers. Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
GOST R 50465-1993 Fodder, mixed fodder and animal feed raw stuff. Methods of nitrate and nitrite determination

Taiwan Provincial Standard of the People's Republic of China, Nitrate nitrogen and nitrite nitrogen

CNS 4052-1976 Methods for Determination of Nitrite Nitrogen in Polluted and Waste Water
CNS 12980-1992 Method of Test for Milk and Milk Products - Determination of Nitrate and Nitrite Contents of Edible Cheese
CNS 12980-2007 Method of test for milk and milk products - Determination of nitrate and nitrite content in edible cheese

GOSTR, Nitrate nitrogen and nitrite nitrogen

GOST R ISO 15604-2019 Fertilizers. Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen

HU-MSZT, Nitrate nitrogen and nitrite nitrogen

National Metrological Verification Regulations of the People's Republic of China, Nitrate nitrogen and nitrite nitrogen

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

Professional Standard - Agriculture, Nitrate nitrogen and nitrite nitrogen

GB/T 5009.33-1996 Determination method of nitrite and nitrate in food
水和废水监测分析方法 3.3.11-2003 Part Three Comprehensive Indicators and Inorganic Pollutants Chapter Three Comprehensive Indicators of Nutrients and Organic Pollution Eleven Nitrite Nitrogen

Indonesia Standards, Nitrate nitrogen and nitrite nitrogen

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

PL-PKN, Nitrate nitrogen and nitrite nitrogen

PN A82114-1974 Mea? and meat produc?s Determinalion of nitrites and ni?ra?es
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 A75112-1992 Fruits, vegetables and derived products. Determination of nitrites and nitrates content
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-EN 12014-2-2018-01 P Foodstuffs--Determination of nitrate and/or nitrite content--Part 2: HPLC/IC method for the determination of nitrate content of vegetables and vegetable products
PN C04576-10-1986 Water and waste water Tests for nitrogen Determination of nitrate nitrogen by potentiometric method with ion selective electrode
PN C04642-05-1991 Water and waste water. Tests of pollutants in atmospheric precipitation. Determination of nitrite and the sum of nitrate and nitrite by colorimetric method

Professional Standard - Water Conservancy, Nitrate nitrogen and nitrite nitrogen

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

National Metrological Technical Specifications of the People's Republic of China, Nitrate nitrogen and nitrite nitrogen

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

VN-TCVN, Nitrate nitrogen and nitrite nitrogen

TCVN 7257-2003 Tobacco and tobacco products.Determination of total nitrate and nitrite contents
TCVN 7814-2007 Foodstuffs.Determination of nitrate and/or nitrite content.Part 2: HPLC/LC method for the determination of nitrade content of vegetables and vegetable products
TCVN 7767-2007 Fruits, vegetables and derived products.Determination of nitrite and nitrate content.Molecular absorption spectrometric method
TCVN 6268-1-2007 Milk and milk products.Determination of nitrate and nitrite contents.Part 1: Method using cadmium reduction and spectrometry
TCVN 6268-2-2007 Milk and milk products.Determination of nitrate and nitrite contents.Part 2: Method using segmented flow analysis (Routine method)

Inner Mongolia Provincial Standard of the People's Republic of China, Nitrate nitrogen and nitrite nitrogen

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, Nitrate nitrogen and nitrite nitrogen

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

Professional Standard - Commodity Inspection, Nitrate nitrogen and nitrite nitrogen

SN/T 3151-2012 Determination of nitrate and nitrite in food for export.Ion chromatography

KR-KS, Nitrate nitrogen and nitrite nitrogen

KS H ISO 6736-2001 Dried milk－Determination of nitrate and nitrite contents－Method by cadmium reduction and photometry
KS H ISO 4099-2001 Cheese－Determination of nitrate and nitrite contents－Method by cadmium reduction and photometry
KS H ISO 6740-2001 Dried whey－Determination of nitrate and nitrite contents－Method by cadmium reduction and spectrometry
KS H ISO 8195-2001 Caseins and caseinates－Determination of nitrate and nitrite contents－Method by cadmium reduction and spectrometry
KS H ISO 6739-2001 Whey cheese－Determination of nitrate and nitrite contents－Method by cadmium reduction and spectrometry

PH-BPS, Nitrate nitrogen and nitrite nitrogen

PTS 83-1970 Method of Test for the Determination of Nitrogen Content of Nitrate-Free Fertilizers

TR-TSE, Nitrate nitrogen and nitrite nitrogen

TS 2466-1976 Nitric Acit For Industrial Use Determination of Ammoniacal Nitrogen Content Spectrophotoraetric Method

ES-AENOR, Nitrate nitrogen and nitrite nitrogen

UNE 34-850-1986

Professional Standard - Chemical Industry, Nitrate nitrogen and nitrite nitrogen

HG/T 4488-2012 The calculation method of N<下标2>O emission in nitric acid production

IN-BIS, Nitrate nitrogen and nitrite nitrogen

Professional Standard - Ocean, Nitrate nitrogen and nitrite nitrogen

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

ES-UNE, Nitrate nitrogen and nitrite nitrogen

UNE-EN 12014-2:2018 Foodstuffs - Determination of nitrate and/or nitrite content - Part 2: HPLC/IC method for the determination of nitrate content of vegetables and vegetable products

NL-NEN, Nitrate nitrogen and nitrite nitrogen

NEN 3765-1981 Cheese - Physical and chemical test methods - Determination of the nitrate content (routine method)
NEN 3764-1981 Cheese - Physical and chemical test methods - Determination of the nitrite and the nitrate content (reference method)

AT-ON, Nitrate nitrogen and nitrite nitrogen

ONORM M 6283-1990 Water analysis; determination of fluoride, Chloride, nitrite, Phosphate, bromide, nitrate and sulfate by Ion exchange chromatography

National Information Standard Organization, Nitrate nitrogen and nitrite nitrogen

BS EN ISO 14673-2:2004 Milk and milk products - Determination of nitrate and nitrite contents - Method using segmented flow analysis (Routine method)

International Dairy Federation (IDF), Nitrate nitrogen and nitrite nitrogen

IDF 189-1-2001 Milk and milk products - Determination of nitrate and nitrite contents - Part 1: Method using cadmium reduction and spectrometry
IDF 189-2-2001 Milk and milk products - Determination of nitrate and nitrite contents - Part 2: Method using segmented flow analysis (Routine method)

Standard Association of Australia （SAA）, Nitrate nitrogen and nitrite nitrogen

AS 2300.6.8:1997 Methods of chemical and physical testing for the dairying industry - Cheese - Determination of nitrate and nitrite in cheese by cadmium reduction and photometry