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Method for Determination of Nitrite Content in Water

Method for Determination of Nitrite Content in Water, Total:496 items.

In the international standard classification, Method for Determination of Nitrite Content in Water involves: Milk and milk products, Water quality, Meat, meat products and other animal produce, Fruits. Vegetables, Inorganic chemicals, Prepackaged and prepared foods, Animal feeding stuffs, Ferroalloys, Analytical chemistry, Fertilizers, General methods of tests and analysis for food products, Food products in general, Soil quality. Pedology, Products of the chemical industry, Non-ferrous metals, Metalliferous minerals, Products of non-ferrous metals, Paint ingredients, Metrology and measurement in general, Test conditions and procedures in general, Tobacco, tobacco products and related equipment, Geology. Meteorology. Hydrology, Medical equipment, Coals, Rubber, Beverages, Organic chemicals.

SE-SIS, Method for Determination of Nitrite Content in Water

SIS SS 02 81 33-1991 Determination of the sum of the nitrite and nitrate nitrogen content of water
SIS 02 81 26-1974 Determination of orthophosphate content of water
SIS SS 02 81 98-1989 Determination of sulfate content of water — Nephelometric method
SIS SS 02 81 82-1986 Determination of sulfate content of water- Titrimetric Thorin method

RU-GOST R, Method for Determination of Nitrite Content in Water

GOST R 51460-1999 Cheese. Method for determination of nitrate and nitrite contents
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 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 R 51454-1999 Caseins and caseinates. Method of determination of nitrate and nitrite contents
GOST 18826-1973 Drinking water. Methods for determination of nitrates content
GOST EN 12014-2-2014 Foodstuffs. Determination of nitrate and/or nitrite content. Part 2. HPLC/IC method for the determination of nitrate content of vegetables and vegetable products
GOST 10671.3-1974 Reagents. Methods for determination of nitrites
GOST 8558.1-2015 Meat products. Methods for determination of nitrite
GOST EN 12014-5-2014 Foodstuffs. Determination of nitrate and/or nitrite content. Part 5. Enzymatic determination of nitrate content of vegetable containing food for babies and infants
GOST 10671.3-2016 Reagents. Methods for determination of nitrites impurity
GOST 30181.3-1994 Mineral fertilizers. Method for determination of mass fraction of nitrogen in fertilizers with nitrate nitrogen
GOST 29299-1992 Meat and meat products. Determination of nitrite content
GOST 13496.19-2015 Feeds, mixed feeds and raw material. Methods for determination of nitrate and nitrite
GOST R 50465-1993 Fodder, mixed fodder and animal feed raw stuff. Methods of nitrate and nitrite determination
GOST EN 15561-2013 Fertilizers. Determination of total nitrogen in calcium cyanamide containing nitrates
GOST R 52964-2008 Drinking water. Methods for determination of sulphate content
GOST 31940-2012 Drinking water. Methods for determination of sulfate content
GOST 8.626-2013 State system for ensuring the traceability of measurements. Instruments for determination the nitrites and nitrates in food. Verification procedure
GOST 18309-1972 Drinking water. Method for determination of polyphosphate content
GOST 29238-1991 Ammonium nitrate for industrial use. Determination of matter insoluble in water content. Gravimetric method
GOST EN 15560-2013 Fertilizers. Determination of total nitrogen in calcium cyanamide nitrate free
GOST 33813-2016 Ammonium nitrate and fertilizers on its base. Method for determination of copper content
GOST 14839.9-1969 Industrial explosives. Method for determination of nitroamines (hexogen) content
GOST 14839.8-1969 Industrial explosives. Method for determination of calcium nitrate content
GOST R 51464-1999 Caseins and caseinates. Method for determination of water content

Indonesia Standards, Method for Determination of Nitrite Content in Water

SNI 06-2484-2002 Test methods for nitrite content in water by colorymetry
SNI 19-1662-1989 Water and waste water, Test method for nitrite content
SNI 06-6989.9-2004 Water and waste water - Part 9: Test methods of nitrites (NO2-N) by spectrophotometry
SNI 06-6857-2002 Test methods of nitrite content in water by colorimetry with Gries Romeyer reagent
SNI 06-3415-1994 Water, Test methods for sulphite content by titrimetric methods
SNI 06-6856-2002 Test methods of nitrate content in water by using of colorimetry with Nessler reagent
SNI 6989.74-2009
SNI 06-4822-1998 Test methods for manganese content in water by spectrophotometer in persulphate manner

AT-ON, Method for Determination of Nitrite Content in Water

ONORM DIN 10338-1992 Determination of nitrate and nitrite contents of cheese - Method by cadmium reduction
ONORM DIN 10453-1993 Determination of water content of caseins and caseinates - Reference method
ONORM EN 13-1980 Determination of lead content of gasoline; volumetric Chromate method
ONORM M 6282-1987 Water analysis; determination ofnitrite; 4-aminobenzene Sulfonamide — N-(l-naphthyl)-1,2-diaminoethane-dihydrochloride spectrometric method

British Standards Institution (BSI), Method for Determination of Nitrite Content in Water

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
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 12014-2:1997 Foodstuffs - Determination of nitrate and/or nitrite content - HPLC/IC method for the determination of nitrate content of vegetables and vegetable products
BS 4267-7:1987 Ammonium nitrate - Methods for determination of nitrite content
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 6248-11:1987 Caseins and caseinates. Method for determination of nitrate and nitrite contents
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 12014-7:1998 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
BS EN 12014-2:2017 Tracked Changes. Foodstuffs. Determination of nitrate and/or nitrite content. HPLC/IC method for the determination of nitrate content of vegetables and vegetable products
BS EN ISO 14673-1:2004 Milk and milk products - Determination of nitrate and nitrite contents - Method using cadmium reduction and spectrometry
23/30444433 DC BS ISO 7158. Meat and meat products. Determination of nitrite and nitrate content. Ion chromatography method
BS 1743 Sec.16.3:1987 Method for analysis of dried milk and dried milk products. Determination of nitrate and nitrite contents. Screening method for nitrate content by cadmium reduction and spectrometry
BS 4401-8:1976 Methods of test for meat and meat products - Determination of nitrite content
BS 4267-9:1987 Ammonium nitrate - Method for determination of sulphate content
BS 1728-9:1957 Methods for the analysis of aluminium and aluminium alloys - Determination of manganese (volumetric: arsenite/nitrite method)
BS DD CEN/TS 15561:2007 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates
BS EN 15561:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates
BS 4267-6:1987 Ammonium nitrate - Method for determination of water content
BS ISO 15517:2003+A1:2012 Tobacco. Determination of nitrate content. Continuous-flow analysis method
BS EN 26777:1993 Water quality. Physical, chemical and biochemical methods. Determination of nitrite: molecular absorption spectrometric 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
BS DD CEN/TS 15560:2007 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free
BS EN 15560:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free
BS EN ISO 787-19:2020 General methods of test for pigments - Determination of water-soluble nitrates (Salicylic acid method)
BS 1743 Sec.16.1:1983 Methods for analysis of dried milk and dried milk products. Determination of nitrate and nitrite contents. Method for dried milk by cadmium reduction
BS EN 26777:1984 Water quality - Physical, chemical and biochemical methods - Determination of nitrite: molecular absorption spectrometric method
BS 4401-7:1976 Methods of test for meat and meat products - Determination of nitrate content
BS EN ISO 10304-1:2009 Water quality. Determination of dissolved anions by liquid chromatography of ions. Determination of bromide, chloride, fluoride, nitrate, nitrite, phosphate and sulfate
BS EN ISO 787-13:2019 General methods of test for pigments and extenders - Determination of water-soluble sulfates, chlorides and nitrates

European Committee for Standardization (CEN), Method for Determination of Nitrite Content in Water

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
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 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 12014-5:1997 Foodstuffs - Determination of nitrate and/or nitrite content - Part 5: Enzymatic determination of nitrate content of vegetable-containing food for babies and infants
EN 12014-7:1998 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 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 26777:1993 Water Quality - Determination of Nitrite - Molecular Absorption Spectrometric Method (ISO 6777: 1984)
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)
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
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 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)
prEN 26777-1992 Water quality; determination of nitrate; molecular absorption spectrometric method (ISO 6777:1984)
EN ISO 14673-3:2004 Milk and milk products - Determination of nitrate and nitrite contents - Part 3: Method using cadmium reduction and flow injection analysis with in-line dialysis (Routine method) ISO 14673-3:2004
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)
EN 13:1974 Determination of Lead Content of Gasoline: Volumetric Chromate Method

RO-ASRO, Method for Determination of Nitrite Content in Water

STAS 12754-1989 SEA WATER Nitrites content determination
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
STAS SR 3048-2-1996 Drinking water - Nitrites content determination - Molecular absorption spectrometric method
STAS 9065/9-1974 MliAT AND MEAT PRODUCTS Determination of nitrite content
SR ISO 4176:1981 Fertilizers. Determination of nitrate nitrogen content. Nitrogen gravimetric method
STAS SR ISO 6777:1996 Water quality - Determination of nitrite - Molecular absorption spectrometric method

Association Francaise de Normalisation, Method for Determination of Nitrite Content in Water

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 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 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 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 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 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 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 V04-291:1989 WHEY CHEESE. 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 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 V04-390:1988 Caseins and caseinates. Determination of nitrate and nitrite contents. Method by cadmium reduction and spectrometry.
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 V04-409:1974 Meat and meat products. Determination of nitrite content (reference method).
NF V03-010-1*NF EN 12014-1:1997 Foodstuffs - Determination of nitrate and/or nitrite content - Part 1 : general considerations.
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 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 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 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 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).
NF X31-423-2*NF ISO 14256-2:2007 Soil quality - Determination of nitrate, nitrite and ammonium in field-moist soils by extraction with potassium chloride solution - Part 2 : automated method with segmented flow analysis.
NF EN ISO 14673-2:2004 Lait et produits laitiers - Détermination des teneurs en nitrates et en nitrites - Partie 2 : méthode d'analyse par flux continus segmentés (Méthode de routine)
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 T31-240:1995 General methods of test for pigments. Part 19 : determination of water-soluble nitrates (salicylic acid method).
NF EN ISO 14673-3:2004 Lait et produits laitiers - Détermination des teneurs en nitrates et en nitrites - Partie 3 : méthode par réduction au cadmium et d'analyse par injection de flux avec dialyse en ligne (Méthode de routine)
NF T20-287:1982 Nitric acid for industrial use. Determination of sulphate content. Method by reduction and titrimetry.
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 V04-410:1974 Meat and meat products. Determination of nitrate content (reference method).
NF T90-042-1*NF 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.
NF V04-172-3*NF EN ISO 14673-3:2004 Milk and milk products - Determination of nitrate and nitrite contents - Part 3 : method using cadmium reduction and flow injection analysis with in-line dialysis (Routine method).
NF ISO 14256-2:2007 Qualité du sol - Dosage des nitrates, des nitrites et de l'ammonium dans des sols bruts par extraction avec une solution de chlorure de potassium - Partie 2 : méthode automatisée avec analyse en flux segmenté
NF U42-146*NF EN 15560:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free.
NF V37-039/A1*NF ISO 15517/A1:2012 Tobacco - Determination of nitrate content - Continuous-flow analysis method.
NF V37-039*NF ISO 15517:2003 Tobacco - Determination of nitrate content - Continuous-flow analysis method.
NF ISO 15517/A1:2012 Tabac - Détermination de la teneur en nitrates - Méthode par analyse en flux continu
NF ISO 15517:2003 Tabac - Détermination de la teneur en nitrates - Méthode par analyse en flux continu
NF EN ISO 10304-1:2009 Qualité de l'eau - Dosage des anions dissous par chromatographie des ions en phase liquide - Partie 1 : dosage du bromure, chlorure, fluorure, nitrate, nitrite, phosphate et sulfate
NF T90-009:1986 Testing water - Determination of sulphate ions - Gravimetric method.

YU-JUS, Method for Determination of Nitrite Content in Water

JUS H.Z1.137-1985 Testing of industrial vvaters. Determination of nitrite-nitrate and the combined nitrite-nitrate nitrogen, Spectrophotometric method
JUS H.G8.044-1982 Reaaents. Si Iver nitrate. Determination ofsulphates content. Turbidimetric method
JUS H.G8.382-1989 Reagents. Calciuin nitrata tetrahvdrate. Detarninatior. of calciun nitrate tetrahvdrate -ontent. EDTA(di-sodiun sait) conplexonezric method
JUS H.G8.386-1989 Reagents. Calciun nitrate tetrahydrate. Deterraination of suiphates content. Turbidinetric nethod
JUS H.G8.425-1990 Reaaents. Sodiuin sulphite, anhvdrous and sodium sulphite heptahydrate. Determination of iron content. Colorimetric method
JUS H.G8.396-1989 Reagents. Nitric acid. Determination of sulphates content. Turbidimetric method
JUS H.G8.030-1981 Reagents. Sulphuric acid. Determination of nitrate content. Colorimetric method
JUS H.G8.423-1990 Reagents. So?ium sulphite, anhydrous and sodium sulphite heptahvdrate. Determination of chlorides content. Turbi?imetric method
JUS H.G8.094-1983 Reagents. Calcium sulphate dihydrate. Determination of nitrate content. Co/orimetric method
JUS H.G8.143-1985 Reagents. Ammonium sulphate. Determination of nitrate content Colorimetric method
JUS H.G8.475-1991 Reagents. Ortophosphoric acid. Determination of nitrate content. Colorimetric method
JUS H.G8.333-1987 Reagents. Ammonium acetate. Determination of nitrates content. Colorimetric method
JUS H.G8.424-1990 Reaqents. Sodium sulphite, anhydrous and so?ium sulphite heptahvdrate. Determination of thiosulphate content. Colorimetric method
JUS H.G8.196-1985 Reagents. Ammonium chloride. Determination of nitrate content. Colorimetric method
JUS H.G8.279-1987 Reagents. Iron(ll) M/phate heptahydrate. Determination of phosphate content. Spectrophotometric method
JUS H.G8.047-1982 Reagents. Si Iver nitrate. Determination of heavy metals content (asPb). Colorimetric method
JUS H.G8.427-1990 Reaaents. Sodium sulphite, anhvdrous and sodium sulphite heptahv?rate. Determination of arsenic content. Silver diethyldithiocarbamate spectrophotometric method
JUS H.G8.274-1987 Reagents. Iron(ll) sulphate heptahydrate. Determination of iron(ll) sulphate heptahydrate content. Vo- lumetric method
JUS H.G8.401-1989 Reagents. Calcium nitrate tetrahvdrate. Detemination of substances not precipitated by aiumonium oxalate (as sulphate) . Gravimetric nethod
JUS H.C8.224-1989 Pigments. Basic zine ootassium chromate. Determination of water-soluble nitrate content (as NOJ. Colorimetric method

IN-BIS, Method for Determination of Nitrite Content in Water

German Institute for Standardization, Method for Determination of Nitrite Content in Water

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 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 12014-4:2005-08 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 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 12014-5:1997-08 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 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 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 10476:2001 Determination of nitrite and nitrate content of milk products - Enzymatic method (color test)
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 12014-2:2018 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 12014-7:1998 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 14673-1:2004 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 ISO/TS 14256-1:2003 Soil quality - Determination of nitrate, nitrite and ammonium in field moist soils by extraction with potassium chloride solution - Part 1: Manual method (ISO/TS 14256-1:2003)
DIN EN ISO 14673-2:2004-05 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
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
DIN EN 26777:1993 Water quality; determination of nitrite; molecular absorption spectrometric method (ISO 6777:1984); german version EN 26777:1993
DIN CEN/TS 15561:2007 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates; German version CEN/TS 15561:2007
DIN EN 26777:1993-04 Water quality; determination of nitrite; molecular absorption spectrometric method (ISO 6777:1984); german version EN 26777:1993
DIN EN ISO 14673-3:2004-05 Milk and milk products - Determination of nitrate and nitrite contents - Part 3: Method using cadmium reduction and flow injection analysis with in-line dialysis (Routine method) (ISO 14673-3:2004); German version EN ISO 14673-3:2004
DIN EN ISO 14673-3:2004 Milk and milk products - Determination of nitrate and nitrite contents - Part 3: Method using cadmium reduction and flow injection analysis with in-line dialysis (Routine method) (ISO 14673-3:2004); German version EN ISO 14673-3:2004
DIN EN 12014-1:1999-10 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 CEN/TS 15560:2007 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free; German version CEN/TS 15560:2007
DIN EN ISO 10304-1:2009-07 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); German version EN ISO 10304-1:2009
DIN ISO 14256-2:2006 Soil quality - Determination of nitrate, nitrite and ammonium in field-moist soils by extraction with potassium chloride solution - Part 2: Automated method with segmented flow analysis (ISO 14256-2:2005) English version of DIN ISO 14256-2:2006-07
DIN EN ISO 787-19:2020-07 General methods of test for pigments - Part 19: Determination of water-soluble nitrates (Salicylic acid method) (ISO 787-19:2020); German version EN ISO 787-19:2020

NL-NEN, Method for Determination of Nitrite Content in Water

NEN 6474-1981 Water ■ Photometric determination of nitrite content
NEN 6652-1992 Water- Photometric determination of the sum of the contents of dissolved nitrate and nitrite by continuous flow analysis
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)
NEN 6440-1981 Water - Photometric determination of nitrate content
NEN 6653-1992 Water - Photometric determination of the content of dissolved nitrite by continuous flow analysis
NEN 6588-1988 Rain water - Determination of chloride, phosphate, nitrate and sulphate content by ionchromatography
NEN 2866-1989 Fruit juices Determination of nitrate content - Spectrometric method
NEN 6581-1985 Rain water - UV-photometric determination of nitrate content
NEN-ISO 6777:1993 Water quality. Determination of nitrite. Molecular absorption spectrometric method (ISO 6777:1984)
NEN 6545-1985 Water in boiler plants - lodometric determination of sulfite content
NEN 6471-1981 Water - Photometric determination of silicate content
NEN 6432-1993 Water. Determination of arsenic content by atomic absorption spectrometry (hydride generation technique). Destruction with nitric acid and hydrochloric acid
NEN 6433-1993 Water. Determination of antimony content by atomic absorption spectrometry (hydride generation technique). Destruction with nitric acid and hydrochloric acid
NEN 6434-1993 Water. Determination of selenium content by atomic absorption spectrometry (hydride generation technique). Destruction with nitric acid and hydrochloric acid

American Society for Testing and Materials (ASTM), Method for Determination of Nitrite Content in Water

ASTM D7781-23 Standard Test Method for Nitrite-Nitrate in Water by Nitrate Reductase
ASTM D3867-04 Standard Test Methods for Nitrite-Nitrate in Water
ASTM D3867-99 Standard Test Methods for Nitrite-Nitrate in Water
ASTM D3867-09 Standard Test Methods for Nitrite-Nitrate in Water
ASTM D3867-16 Standard Test Methods for Nitrite-Nitrate in Water
ASTM D3867-16(2021)e1 Standard Test Methods for Nitrite-Nitrate in Water
ASTM D7781-14 Standard Test Method for Nitrite-Nitrate in Water by Nitrate Reductase
ASTM D6581-08 Standard Test Methods for Bromate, Bromide, Chlorate, and Chlorite in Drinking Water by Suppressed Ion Chromatography
ASTM D6581-00 Standard Test Method for Bromate, Bromide, Chlorate, and Chlorite in Drinking Water by Chemically Suppressed Ion Chromatography
ASTM D6581-00(2005) Standard Test Method for Bromate, Bromide, Chlorate, and Chlorite in Drinking Water by Chemically Suppressed Ion Chromatography
ASTM D6581-12 Standard Test Methods for Bromate, Bromide, Chlorate, and Chlorite in Drinking Water by Suppressed Ion Chromatography
ASTM E1584-23 Standard Test Method for Assay of Nitric Acid
ASTM D4193-02 Standard Test Method for Thiocyanate in Water
ASTM D4193-95 Standard Test Method for Thiocyanate in Water
ASTM D4193-08 Standard Test Method for Thiocyanate in Water
ASTM D4193-08(2013)e1 Standard Test Method for Thiocyanate in Water
ASTM D5085-02 Standard Test Method for Determination of Chloride, Nitrate, and Sulfate in Atmospheric Wet Deposition by Chemically Suppressed Ion Chromatography
ASTM D6581-18 Standard Test Methods for Bromate, Bromide, Chlorate, and Chlorite in Drinking Water by Suppressed Ion Chromatography

未注明发布机构, Method for Determination of Nitrite Content in Water

BS 4267-7:1987(1999) Ammonium nitrate — Part 7 : Methods for determination of nitrite content
DIN EN 12014-1:1997 Foodstuffs – Determination of nitrate and/or nitrite content DIN Part 1: General considerations
BS 4267-9:1987(1999) Ammonium nitrate — Part 9 : Method for determination of sulphate content
BS EN ISO 10304-2:1997(1998)*BS 6068-2.53:1997 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
BS 4267-6:1987(1999) Ammonium nitrate — Part 6 : Method for determination of water content
BS EN 1142:1995(2000) Method for Determination of sulfate content offruit and vegetable juices
BS EN 1137:1995(2000) Method for Determination ofcitric acid (citrate) content of fruit and vegetable juices : NADH spectrometric method

Professional Standard - Agriculture, Method for Determination of Nitrite Content in Water

GB/T 5009.33-1996 Determination method of nitrite and nitrate in food
GB 13085-1991 Determination method of nitrite in feed
NY/T 1375-2007 Determination of Nitrite and Nitrate in Plant Products Ion Chromatography Method
GB 10513-1989 Determination of free water content in nitrophosphate fertilizer Karl Fischer method
水产品质量安全检验手册 7.5.1.1-2005 Chapter 7 Inspection of additives in aquatic products Section 5 Determination of chromogenic agents in aquatic products 1. Determination of nitrite (GBT 5009.33-2003) (1) Naphthalene ethylenediamine hydrochloride method
NY/T 1279-2007 Determination of Nitrate in Vegetables and Fruits UV-spectrophotometer
GB 10512-1989 Determination of Phosphorus Content in Nitrophosphate Fertilizer - Quinoline Phosphomolybdate Gravimetric Method
GB/T 13882-1992 Determination method of iodine in feedstuffs Ferric thiocyanate-nitrous acid catalytic kinetic method

BE-NBN, Method for Determination of Nitrite Content in Water

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 91-257-1977 Water analysis methods - Determination of the nitrite nitrogen - Photoraetric method
NBN-EN 26777-1993 Water quality. Determination of nitrite. Molecular absorption spectrometric method (ISO 6777:1984)
NBN T 03-042-1979 Nitric acid for industrial use - Determination of sulphate content - Method by reduction and titrimetry
NBN T 03-058-1979 Ammonium nitrate for industrial use - Determination of water content - Karl Fischer method

Danish Standards Foundation, Method for Determination of Nitrite Content in Water

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 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 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 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 12014-7:1999 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/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 ISO 14673-2:2004 Milk and milk products - Determination of nitrate and nitrite contents - Part 2: Method using segmented flow analysis (Routine method)
DS/EN 26777:2003 Water quality - Determination of nitrite - Molecular absorption spectrometric method
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 ISO 14673-3:2004 Milk and milk products - Determination of nitrate and nitrite contents - Part 3: Method using cadmium reduction and flow injection analysis with in-line dialysis (Routine method)
DS/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

Lithuanian Standards Office , Method for Determination of Nitrite Content in Water

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 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 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 12014-5-2001 Foodstuffs - Determination of nitrate and/or nitrite content - Part 5: Enzymatic determination of nitrate content of vegetable-containing food for babies and infants
LST ISO 2918:1997 Meat and meat products. Determination of nitrite content (Reference method)
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
LST EN 12014-1+A1-2001 Foodstuffs - Determination of nitrate and/or nitrite content - Part 1: General considerations
LST 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)
LST EN 26777-1999 Water quality - Determination of nitrite - Molecular absorption spectrometric method (ISO 6777:1984)
LST 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)
LST ISO 3091:1997 Meat and meat products. Determination of nitrate content (Reference method)
LST EN ISO 14673-3:2004 Milk and milk products - Determination of nitrate and nitrite contents - Part 3: Method using cadmium reduction and flow injection analysis with in-line dialysis (Routine method) (ISO 14673-3:2004)
LST 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)

AENOR, Method for Determination of Nitrite Content in Water

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 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 12014-4:2006 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 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 34206:1981 SODIUM CHLORIDE. DETERMINATION OF NITRITE CONTENT. PERMANGANIMETRIC METHOD.
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
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 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)
UNE-EN 26777:1994 WATER QUALITY. DETERMINATION OF NITRITE. MOLECULAR ABSORPTION SPECTROMETRIC METHOD. (ISO 6777:1984).
UNE-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)
UNE-ISO/TS 14256-1:2007 EX Soil quality -- Determination of nitrate, nitrite and ammonium in field-moist soils by extraction with potassium chloride solution -- Part 1: Manual method (ISO/TS 14256-1:2003)

NO-SN, Method for Determination of Nitrite Content in Water

NS 4865-1983 Air quality - Determination of the sum of nitrite- and nitrate-nitrogen in precipitation
NS 4762-1988 Water analysis - Determination of sulphate content of water - Nephelometric method

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, Method for Determination of Nitrite Content in Water

GB/T 15401-1994 Fruits,vegetables and derived products--Determination of nitrite and nitrate content
GB/T 13085-1991 Method for determination of nitrite in feeds
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 4701.4-2008 Ferrotitanium. Determination of manganese content. Arsenite-salt and sodium-salt titrimetric method and periodate photometric method
GB/T 13580.5-1992 Determination of fluoride,chloride,ntrite,nitrate,salfate in the wet precipitation.Ion chromotography
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 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 13085-2005 Determination of nitrite in feeds-Method using colorimetric analysis
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 6912-2008 Analysis of water used in boiler and cooling system.Determination of nitrite
GB/T 19339-2003 Rapid Determination of nitrate in vegetables
GB/T 7493-1987 Water quality--Determination of nitrogen (nitrite)--Spectrophotometric method
GB/T 24800.13-2009 Determination of nitrite in cosmetics by ion chromatography method
GB/T 13580.7-1992 Determination of nitrite in the wet precipitation.N-(1-naphthyl)-1,2-diaminoethane dihydrochloride spectrophotometry
GB/T 20618-2006 Fireworks firecrackers. Determination of nitrates content in pyrotechnic composition
GB/T 10514-1989 The determination of water content for nitrophosphate--Oven method
GB/T 10514-2012 Determination of free water for nitrophosphate.Oven method
GB 10514-1989 The determination of water content for nitrophosphate—Oven method
GB/T 10513-1989 The determination of water content for nitrophosphate--Karl Fischer method
GB/T 10513-2012 Determination of free water for nitrophosphate.Karl fischer method
GB/T 2947-2002 Determination of free water in urea and ammonium nitrate by karl fischer method
GB/T 218-1996 Determination of carbon dioxide content in the mineral carbonates associated with coal
GB/T 7766-2000 Rubber-Determination of carbon black content-Nitric acid digestion method
GB/T 10512-1989 The determination of phosphorus content for nitrophosphate--Quinoline phosphomolybdate gravimetric method
GB/T 10512-2008 Determination of phosphorus content for nitrophosphate.Quinoline phosphomolybdate gravimetric method
GB/T 23836-2009 Determination of molybdate in industrial circulating cooling water.Spectrometric method using thiocyanate

PL-PKN, Method for Determination of Nitrite Content in Water

PN A75112-1992 Fruits, vegetables and derived products. Determination of nitrites and nitrates content
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 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
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?

VN-TCVN, Method for Determination of Nitrite Content in Water

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 7257-2003 Tobacco and tobacco products.Determination of total nitrate and nitrite contents
TCVN 7767-2007 Fruits, vegetables and derived products.Determination of nitrite and nitrate content.Molecular absorption spectrometric method
TCVN 2323-1978 Reagents.Methods for the determination of nitrites
TCVN 6268-1-2007 Milk and milk products.Determination of nitrate and nitrite contents.Part 1: Method using cadmium reduction and spectrometry
TCVN 6180-1996 Water quality.Determination of nitrate.Spectrometric method using sulfosalicylic acid sunfosalixilic
TCVN 6268-2-2007 Milk and milk products.Determination of nitrate and nitrite contents.Part 2: Method using segmented flow analysis (Routine method)
TCVN 6178-1996 Water quality.Determination of nitrite.Molecular absorption spectrometric method
TCVN 4250-1986 Natural gases.Method for the determination of hydrogen sulphite and mercaptane content
TCVN 6494-1-2011 Water quality.Determination of dissolved anions by liquid chromatography of ions.Part 1: Determination of bromide, chloride, fluoride, nitrate, nitrite, phosphate and sulfate
TCVN 6268-3-2007 Milk and milk products.Determination of nitrate and nitrite contents.Part 3: Method using cadmium reduction and flow injection analysis with in-line dialysis (Routine method)
TCVN 6341-1998 Iodated salt.Method for determination ofiodate content
TCVN 6839-2001 Dried milk.Determination of nitrate content.Method by cadmium reduction and spectrometry(Screening method)
TCVN 5494-1991 Shampoo for hairs and bath.Method for determination of sulphate content

Korean Agency for Technology and Standards (KATS), Method for Determination of Nitrite Content in Water

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 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 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 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 I ISO 14256-1:2009 Soil quality-Determination of nitrate, nitrite and ammonium in field-moist soils by extraction with potassium chloride solution-Part 1:Manual method
KS I ISO 13395:2008 Water quality-Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection
KS M ISO 10304-2:2008 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
KS M ISO 10304-2:2003 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
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 E ISO 316:2011 Manganese ores-Determination of cobalt content-Nitroso-R-salt photometric method
KS E ISO 316:2013 Manganese ores－Determination of cobalt content－Nitroso-R-salt photometric method
KS M 9108-1996 Water quality-Determination of dissolved fluoride,chloride,nitrite,orthophosphate,bromide,nitrate and sulfate ions,using liquid chromatography of ions(Method for water with low contamination)
KS I ISO 14256-2:2006 Soil quality-Determination of nitrate, nitrite and ammonium in field-moist soils by extraction with potassium chloride solution-Part 2:Automated method with segmented flow analysis
KS I ISO 14256-2:2016 Soil quality－Determination of nitrate, nitrite and ammonium in field-moist soils by extraction with potassium chloride solution－Part 2：Automated method with segmented flow analysis
KS H ISO 15517:2007 Tobacco－Determination of nitrate content－Continuous-flow analysis method
KS H ISO 15517:2017 Tobacco－Determination of nitrate content－Continuous-flow analysis method
KS I ISO TS 14256-1:2020 Soil quality ― Determination of nitrate, nitrite and ammonium in field-moist soils by extraction with potassium chloride solution ―Part 1: Manual method
KS H ISO 15517-2017(2022) Tobacco－Determination of nitrate content－Continuous-flow analysis method
KS I ISO 10304-1:2006 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
KS I ISO 10304-1:2017 Water quality — Determination of dissolved anions by liquid chromatography of ions — Part 1: Determination of bromide, chloride, fluoride, nitrate, nitrite, phosphate and sulfate
KS H ISO 8151-2006(2016) Dried milk -- Determination of nitrate content -- Method by cadmium reduction and spectrometry (Screening method)
KS H ISO 8151:2006 Dried milk－Determination of nitrate content－Method by cadmium reduction and spectrometry(Screening method)
KS H ISO 8151:2021 Dried milk — Determination of nitrate content — Method by cadmium reduction and spectrometry(Screening method)

KR-KS, Method for Determination of Nitrite Content in Water

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 6739-2001 Whey cheese－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 M ISO 10304-2-2003 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
KS I ISO TS 14256-1-2020 Soil quality ― Determination of nitrate, nitrite and ammonium in field-moist soils by extraction with potassium chloride solution ―Part 1: Manual method
KS H ISO 15517-2017 Tobacco－Determination of nitrate content－Continuous-flow analysis method
KS I ISO 10304-1-2023 Water quality — Determination of dissolved anions by liquid chromatography of ions — Part 1: Determination of bromide, chloride, fluoride, nitrate, nitrite, phosphate and sulfate
KS I ISO 10304-1-2017 Water quality — Determination of dissolved anions by liquid chromatography of ions — Part 1: Determination of bromide, chloride, fluoride, nitrate, nitrite, phosphate and sulfate
KS H ISO 8151-2021 Dried milk — Determination of nitrate content — Method by cadmium reduction and spectrometry(Screening method)

International Organization for Standardization (ISO), Method for Determination of Nitrite Content in Water

ISO 6736:1982 Dried milk; 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 4099:1978 Cheese — 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 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/FDIS 7158:2023 Meat and meat products — Determination of nitrite and nitrate content — Ion chromatography method
ISO 6635:1984 Fruits, vegetables and derived products; Determination of nitrite and nitrate content; Molecular absorption spectrometric method
ISO 6739:1982 Whey cheese — Determination of nitrate and nitrite contents — Method by cadmium reduction and photometry
ISO 8195:1987 Caseins and caseinates; Determination of nitrate and nitrite contents; Method by cadmium reduction and spectrometry
ISO 2918:1975 Meat and meat products; Determination of nitrite content (Reference 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 14673-1:2004 | 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/TS 14256-1:2003 Soil quality - Determination of nitrate, nitrite and ammonium in field-moist-soils by extraction with potassium chloride solution - Part 1: Manual 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 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 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 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)
ISO 6777:1984 Water quality; Determination of nitrite; Molecular absorption spectrometric method
ISO 14673-1:2001/Cor 1:2002 Milk and milk products — Determination of nitrate and nitrite contents — Part 1: Method using cadmium reduction and spectrometry — Technical Corrigendum 1
ISO 316:1982 Manganese ores; Determination of cobalt content; Nitroso-R-salt photometric method
ISO 14673-3:2001 Milk and milk products - Determination of nitrate and nitrite contents - Part 3: Method using cadmium and flow injection analysis with in-line dialysis (Routine method)
ISO 14673-3:2004 | IDF 189-3:2004 Milk and milk products — Determination of nitrate and nitrite contents — Part 3: Method using cadmium reduction and flow injection analysis with in-line dialysis (Routine method)
ISO 14673-3:2001 | IDF 189-3: 2001 Milk and milk products — Determination of nitrate and nitrite contents — Part 3: Method using cadmium reduction and flow injection analysis with in-line dialysis (Routine method)
BS EN ISO 14673-3:2004 Milk and milk products - Determination of nitrate and nitrite contents - Method using cadmium reduction and flow injection analysis with in-line dialysis (routine method)
ISO 14673-2:2001/Cor 1:2002 Milk and milk products — Determination of nitrate and nitrite contents — Part 2: Method using segmented flow analysis (Routine method) — Technical Corrigendum 1
ISO 14256-2:2005 Soil quality - Determination of nitrate, nitrite and ammonium in field-moist soils by extraction with potassium chloride solution - Part 2: Automated method with segmented flow analysis
ISO 14673-3:2004 Milk and milk products - Determination of nitrate and nitrite contents - Part 3: Method using cadmium reduction and flow injection analysis with in-line dialysis (Routine method)
ISO 14673-3:2004|IDF 189-3:2004 Determination of nitrate and nitrite content in milk and dairy products Part 3: Line dialysis cadmium reduction and flow injection analysis method (conventional method)
ISO 3328:1975 Nitric acid for industrial use; Determination of sulphate content; Method by reduction and titrimetry
ISO 15517:2003 Tobacco - Determination of nitrate content - Continuous-flow analysis method
ISO 3091:1975 Meat and meat products; determination of nitrate content (reference method)
ISO 10304-1:1992 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
ISO 14673-3:2001/Cor 1:2002 Milk and milk products — Determination of nitrate and nitrite contents — Part 3: Method using cadmium reduction and flow injection analysis with in-line dialysis (Routine method) — Technical Corrigendum 1
ISO 10304-1:2007 Water quality - Determination of dissolved anions by liquid chromatography of ions - Part 1: Determination of bromide, chloride, fluoride, nitrate, nitrite, phosphate and sulfate
ISO 8151:1987 Dried milk; Determination of nitrate content; Method by cadmium reduction and spectrometry (Screening method)
ISO 787-19:2020 General methods of test for pigments — Part 19: Determination of water-soluble nitrates (Salicylic acid method)

ES-UNE, Method for Determination of Nitrite Content in Water

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
UNE 103202:2019 Qualitative determination of soluble sulphates (in water) content in a soil.
UNE-EN ISO 787-19:2021 General methods of test for pigments - Part 19: Determination of water-soluble nitrates (Salicylic acid method) (ISO 787-19:2020)

ZA-SANS, Method for Determination of Nitrite Content in Water

SANS 6777:1984 Water quality - Determination of nitrite - Molecular absorption spectrometric method
SANS 13395:1996 Water quality - Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection
SANS 5968:1987 Nitrates in water for injections, limit test
SANS 163-2:1995 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

CZ-CSN, Method for Determination of Nitrite Content in Water

CSN 57 0158-1986 Testing methods for meat products and canned sterilized food. Determination of nitrite and nitrate content
CSN 65 2465-1981 Sodium Chloride (Salt) Methode of Sulfáte Content Determination

ES-AENOR, Method for Determination of Nitrite Content in Water

UNE 34-850-1986

中华人民共和国环境保护部, Method for Determination of Nitrite Content in Water

GB 13580.5-1992 Determination of fluoride,chloride,ntrite nitrate,salfate in the wet precipitation-Ion chromotography
GB 7493-1987 Water quality-Determination of nitrogen (nitrite)-Spectrophotometric method
GB 13580.7-1992 Determination of nitrite in the wet precipitation-N-(1-naphthyl)-1,2-diaminoethan e dihydrochioride spectrophotometry

Taiwan Provincial Standard of the People's Republic of China, Method for Determination of Nitrite Content in Water

CNS 12980-2007 Method of test for milk and milk products - Determination of nitrate and nitrite content in edible cheese

Group Standards of the People's Republic of China, Method for Determination of Nitrite Content in Water

T/SDAQI 061-2021 Determination of Phosphite in Water-soluble Fertilizer
T/SATA 053-2023 Determination of bromate, nitrite, chlorate, nitrate and thiocyanate in infant formula - Ion Chromatography
T/CHES 14-2017 Water Quality Determination of Nitrite Nitrogen Gas Phase Molecular Absorption Spectrometry
T/QAS 005-2019 Determination of Chloride in Brine - Silver Nitrate Volumetric Method

TR-TSE, Method for Determination of Nitrite Content in Water

TS 3308-1979 METHODS FOR THE ANALYSIS OF WATER DETERMINATION OF THE NITRATE CONTENT
TS 3137-1978 Meat And Meat Products - Determination Of Nitrite Content (Reference Method)
TS 3138-1978 MEAT AND MEAT PRODUCTS-DETERMINATION OF NITRATE CONTENT (REFERENCE METHOD)

Yunnan Provincial Standard of the People's Republic of China, Method for Determination of Nitrite Content in Water

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

国家市场监督管理总局、中国国家标准化管理委员会, Method for Determination of Nitrite Content in Water

GB/T 13085-2018 Determination of nitrite in feeds—Colorimetry method

Professional Standard - Commodity Inspection, Method for Determination of Nitrite Content in Water

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

FI-SFS, Method for Determination of Nitrite Content in Water

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

PT-IPQ, Method for Determination of Nitrite Content in Water

NP 1846-2002 Meat and meat products Determination of nitrite content Reference method
NP 1276-1976
NP 1846-1987

National Information Standard Organization, Method for Determination of Nitrite Content in Water

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

CEN - European Committee for Standardization, Method for Determination of Nitrite Content in Water

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)
EN ISO 14673-3:2001 Milk and Milk Products - Determination of Nitrate and Nitrite Contents - Part 3: Method Using Cadmium Reduction and Flow Injection Analysis with In-Line Dialysis (Routine Method)

Japanese Industrial Standards Committee (JISC), Method for Determination of Nitrite Content in Water

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
JIS K 0400-43-30:2000 Water quality -- Determination of nitrite -- Molecular absorption spectrometric method
JIS K 0400-43-60:2000 Water quality -- Determination of nitrate -- Part 3: Spectrometric method using sulfosalicylic acid
JIS K 0400-35-30:1999 Water quality -- Determination of dissolved fluoride, chrolide, nitrite, orthophosphate, bromide, nitrate and sulfate ions, using liquid chromatography of ions Part 1: Method for water with low contamination
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 0400-43-40:2000 Water quality -- Determination of nitrate -- Part 1: 2,6-Dimethylphenol spectrometric method

Professional Standard - Petrochemical Industry, Method for Determination of Nitrite Content in Water

SH/T 1498.6-1997 Nylon 66 salt.Determination of content of nitrates.Spectrophotometric method
SH/T 1498.4-1997 Nylon 66 salt.Determination content of pseudo nitric acid
SH/T 1499.7-1997 Pure adipic acid.Determination of content of nitric acid.Spectrophotometric method
SH/T 1498.6-2022 Nylon 66 Salt——Part 6：Determination of content of nitrates

Professional Standard - Light Industry, Method for Determination of Nitrite Content in Water

QB/T 4446-2012 General test method in salt industry.Determination of nitrite
QB/T 2623.8-2003 Test methods of soaps Determination of phosphate content in soaps

Professional Standard - Coal, Method for Determination of Nitrite Content in Water

MT/T 251-2000 Determination method of nitrite ion in coal mine water
MT 251-1991 Determination method of nitrite ion in coal mine water
MT/T 479-1995 Determination method of nitrate ion in acid water of coal mine
MT/T 253-2000 Determination method of nitrate ion in coal mine water
MT 253-1991 Determination method of nitrate ion in coal mine water

Professional Standard - Chemical Industry, Method for Determination of Nitrite Content in Water

HG/T 3526-2003 Industrial circulating cooling water-Determination of nitrite-Molecular absorption spectrometric method
HG/T 3516-2011 Industrial circulating cooling water.Determination of nitrite.Molecular absorption spectrometric method
HG 5-1509-1985 Determination method of nitrite ion in industrial circulating cooling water
HG/T 3526-1985 Determination method of nitrite ion in industrial circulating cooling water

International Dairy Federation (IDF), Method for Determination of Nitrite Content in Water

IDF 189-2-2001 Milk and milk products - Determination of nitrate and nitrite contents - Part 2: Method using segmented flow analysis (Routine method)
IDF 189-1-2001 Milk and milk products - Determination of nitrate and nitrite contents - Part 1: Method using cadmium reduction and spectrometry
IDF 189-3-2001 Milk and milk products - Determination of nitrate and nitrite contents - Part 3: Method using cadmium reduction and flow injection analysis with in-line dialysis (Routine method)

Professional Standard - Urban Construction, Method for Determination of Nitrite Content in Water

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

PH-BPS, Method for Determination of Nitrite Content in Water

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

Professional Standard - Environmental Protection, Method for Determination of Nitrite Content in Water

HJ/T 197-2005 Water quality - Determination of nitrite-nitrogen Gas-phase molecular absorption spectrometry

(U.S.) Ford Automotive Standards, Method for Determination of Nitrite Content in Water

FORD FLTM AM 107-1-2001 DETERMINATION OF NITRITE IN ENGINE COOLANT BY ION CHROMATOGRAPHY
FORD FLTM AM 107-01-2001 DETERMINATION OF NITRITE IN ENGINE COOLANT BY ION CHROMATOGRAPHY

工业和信息化部, Method for Determination of Nitrite Content in Water

HG/T 5167-2017 Method for determination of carboxylate and sulfonate polymer content in circulating cooling water
HG/T 6072-2022 Determination of thiocyanate content in coking wastewater

Professional Standard - Geology, Method for Determination of Nitrite Content in Water

DZ/T 0064.60-2021 Analytical methods of groundwater quality - Part 60: Determination of nitrite spectrophotometric method

Professional Standard - Ocean, Method for Determination of Nitrite Content in Water

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

Qinghai Provincial Standard of the People's Republic of China, Method for Determination of Nitrite Content in Water

DB63/T 1423-2015 Determination of Potassium Oxide Content in Potassium Nitrate Sodium Tetraphenylborate Quaternary Ammonium Salt Volumetric Method

中华人民共和国国家质量监督检验检疫总局、中国国家标准化管理委员会, Method for Determination of Nitrite Content in Water

GB/T 6730.38-2017 Iron ores—Determination of cobalt content—Nltroso-R salt spectrophotometric method
GB/T 218-2016 Determination of the carbonate carbon dioxide content in coal

GOSTR, Method for Determination of Nitrite Content in Water

GOST 34570-2019 Fruits, vegetables and derived products. Determination of nitrate content by potentiometric method

Shandong Provincial Standard of the People's Republic of China, Method for Determination of Nitrite Content in Water

DB37/T 343-2003 Determination method of phosphate content in cod and other aquatic products
DB37/T 377-2003 Determination method of sulfate content in peracetic acid solution
DB37/T 3992-2020 Determination of chlorite and chlorate residues in food by ion chromatography

Military Standard of the People's Republic of China-Commission of Science,Technology and Industry for National Defence, Method for Determination of Nitrite Content in Water

GJB 5381.12-2005 Methods of chemical analysis for pyrotech. Part 12: Determination of barium nitrate content. Chromate method
GJB 5381.14-2005 Methods of chemical analysis for pyrotech. Part 14: Determination of strontium nitrate strontium carbonate content. Sulfate method

Military Standard of the People's Republic of China-General Armament Department, Method for Determination of Nitrite Content in Water

GJB 8682.12-2015 Methods of chemical analysis of pyrotechnic powders Part 12: Determination of barium nitrate content Chromate method
GJB 8682.14-2015 Methods for chemical analysis of pyrotechnics Part 14: Determination of strontium nitrate and strontium carbonate content Sulfate method

Professional Standard - Electricity, Method for Determination of Nitrite Content in Water

DL 422.4-1991 Determination of sulfate content in industrial hydrochloric acid - Barium chromate spectrophotometric method

Professional Standard - Aviation, Method for Determination of Nitrite Content in Water

HB 5422.14-1989 Copper Alloy Chemical Analysis Method Nitroso-R Salt Absorption Spectrophotometry Determination of Cobalt Content
HB 5220.26-1995 Determination of Cobalt Content by Nitroso R Salt Absorption Spectrophotometry Method for Chemical Analysis of Superalloys
HB 5220.11-1995 Method for chemical analysis of superalloys Ammonium nitrate oxidation-ferrous ammonium sulfate volumetric method for determination of manganese content

TH-TISI, Method for Determination of Nitrite Content in Water

TIS 15.8-1971 Specification for portland cement.part 8: method of determination of water content in hydraulic cement

Standard Association of Australia （SAA）, Method for Determination of Nitrite Content in Water

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

Hebei Provincial Standard of the People's Republic of China, Method for Determination of Nitrite Content in Water

DB13/T 81.19-1992 Determination method of barium nitrate content in fireworks and firecrackers mixture

CU-NC, Method for Determination of Nitrite Content in Water

NC 93-19-1986 Community hygiene. Gobalt Determination in Soils. Analysis Methods
NC 93-16-1986 Community Higiene. Determination of Nitrites in Soils Analysis Method