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How to measure nitrite

How to measure nitrite, Total:157 items.

In the international standard classification, How to measure nitrite involves: Milk and milk products, Water quality, Analytical chemistry, Inorganic chemicals, Meat, meat products and other animal produce, Animal feeding stuffs, General methods of tests and analysis for food products, Fruits. Vegetables, Non-ferrous metals, Soil quality. Pedology, Paint ingredients, Tobacco, tobacco products and related equipment, Metalliferous minerals, Fertilizers, Geology. Meteorology. Hydrology, Burners. Boilers.

Professional Standard - Agriculture, How to measure nitrite

GB/T 5009.33-1996 Determination method of nitrite and nitrate in food
GB 13085-1991 Determination method of nitrite in feed

RU-GOST R, How to measure nitrite

GOST R 51460-1999 Cheese. Method for determination of nitrate and nitrite contents
GOST 10671.3-1974 Reagents. Methods for determination of nitrites
GOST 8558.1-2015 Meat products. Methods for determination of nitrite
GOST 32257-2013 Milk and milk products. Method for determination of nitrate and nitrite contents
GOST 10671.3-2016 Reagents. Methods for determination of nitrites impurity
GOST 29299-1992 Meat and meat products. Determination of nitrite content
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 13496.19-2015 Feeds, mixed feeds and raw material. Methods for determination of nitrate and nitrite
GOST R 51454-1999 Caseins and caseinates. Method of determination of nitrate and nitrite contents
GOST R 50465-1993 Fodder, mixed fodder and animal feed raw stuff. Methods of nitrate and nitrite determination
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 R ISO 20541-2011 Milk and milk products. Determination of nitrate content. Method by enzymatic reduction and molecular-absorption spectrometry after. Griess reaction
GOST R 50396.6-1992 Poultry meat, edible offal, ready-to-cook products. Methods for detection and quantity determination of sulfit-reducing anaerobes

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, How to measure nitrite

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 13085-1991 Method for determination of nitrite in feeds
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 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 14426-1993 Analysis of water used in boiler and cooling system. Determination of sulfite

YU-JUS, How to measure nitrite

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

VN-TCVN, How to measure nitrite

TCVN 2323-1978 Reagents.Methods for the determination of nitrites
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 6180-1996 Water quality.Determination of nitrate.Spectrometric method using sulfosalicylic acid sunfosalixilic
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 7572-16-2006 Aggregates for concrete and mortar.Test methods.Part 16: Determination of sulfate and sulfite content

American Society for Testing and Materials (ASTM), How to measure nitrite

ASTM D7781-23 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 D6581-12 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 D6581-18 Standard Test Methods for Bromate, Bromide, Chlorate, and Chlorite in Drinking Water by Suppressed Ion Chromatography
ASTM E278-96E1 Standard Test Method for the Determiniation of Phosphorus in Iron Ores by Phosphomolybdate Coprecipitation and Nitric Acid Titrimetry
ASTM E278-21 Standard Test Method for Determination of Phosphorus in Iron Ores by Phosphomolybdate Coprecipitation and Nitric Acid Titrimetry
ASTM D5085-21 Standard Test Method for Determination of Chloride, Nitrate, and Sulfate in Atmospheric Wet Deposition by Suppressed Ion Chromatography
ASTM D5085-02(2013) Standard Test Method for Determination of Chloride, Nitrate, and Sulfate in Atmospheric Wet Deposition by Chemically Suppressed Ion Chromatography
ASTM D5085-02 Standard Test Method for Determination of Chloride, Nitrate, and Sulfate in Atmospheric Wet Deposition by Chemically Suppressed Ion Chromatography
ASTM D5085-02(2008) Standard Test Method for Determination of Chloride, Nitrate, and Sulfate in Atmospheric Wet Deposition by Chemically Suppressed Ion Chromatography
ASTM D5085-95 Standard Test Method for Determination of Chloride, Nitrate, and Sulfate in Atmospheric Wet Deposition by Chemically Suppressed Ion Chromatography

Professional Standard - Light Industry, How to measure nitrite

QB/T 4446-2012 General test method in salt industry.Determination of nitrite

British Standards Institution (BSI), How to measure nitrite

BS 6248-11:1987 Caseins and caseinates. Method for determination of nitrate and nitrite contents
BS 770-9:1985 Methods for chemical analysis of cheese. Determination of nitrate and nitrite contents. Cadmium reduction and photometry method
BS 1728-9:1957 Methods for the analysis of aluminium and aluminium alloys - Determination of manganese (volumetric: arsenite/nitrite 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 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 26777:1993 Water quality. Physical, chemical and biochemical methods. Determination of nitrite: molecular absorption spectrometric method
BS EN ISO 787-19:2020 General methods of test for pigments - Determination of water-soluble nitrates (Salicylic acid method)
BS EN 26777:1984 Water quality - Physical, chemical and biochemical methods - Determination of nitrite: molecular absorption spectrometric method
BS EN ISO 787-13:2019 General methods of test for pigments and extenders - Determination of water-soluble sulfates, chlorides and nitrates
BS EN ISO 20541:2008 Milk and milk products - Determination of nitrate content - Method by enzymatic reduction and molecular- absorption spectrometry after Griess reaction

未注明发布机构, How to measure nitrite

BS 4267-7:1987(1999) Ammonium nitrate — Part 7 : Methods for determination of nitrite content

German Institute for Standardization, How to measure nitrite

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 12014-2:2018 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 12014-2:2018-02 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 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 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 14673-3:2004-05 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 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); English version of DIN EN ISO 10304-1:2009-07
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
DIN EN ISO 787-13:2019-12 General methods of test for pigments and extenders - Part 13: Determination of water-soluble sulfates, chlorides and nitrates (ISO 787-13:2019); German version EN ISO 787-13:2019
DIN EN ISO 787-19:1995 General methods of test for pigments and extenders - Part 19: Determination of water-soluble nitrates (salicylic acid method) (ISO 787-19:1974); German version EN ISO 787-19:1995
DIN EN ISO 787-13:2019 General methods of test for pigments and extenders - Part 13: Determination of water-soluble sulfates, chlorides and nitrates (ISO 787-13:2019)

IN-BIS, How to measure nitrite

Lithuanian Standards Office , How to measure 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 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 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)
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 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 787-13:2002 General methods of test for pigments and extenders - Part 13: Determination of water-soluble sulfates, chlorides and nitrates (ISO 787-13:2002)

AENOR, How to measure nitrite

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-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 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-EN ISO 14673-3:2004 Milk and milk products - Determination of nitrate and nitrate contents - Part 3: Method using cadmium reduction and flow injection analysis with in-line dialysis (Routine method) (ISO 14673-3:2004)
UNE-EN ISO 787-13:2003 General methods of test for pigments and extenders- Part 13: Determination of water-soluble sulfates, chlorides and nitrates. (ISO 787-13:2002)

International Organization for Standardization (ISO), How to measure nitrite

ISO 4099:1984 Cheese; Determination of nitrate and nitrite contents; Method by cadmium reduction and photometry
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/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 14673-3:2001 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)
ISO 10304-1:2007/Cor 1:2010 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 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 787-19:1974 General methods of test for pigments; part 19: determination of water-soluble nitrates (Salicylic acid method)
ISO 787-13:2002 General methods of test for pigments and extenders - Part 13: Determination of water-soluble sulfates, chlorides and nitrates
ISO 20541:2008 Milk and milk products - Determination of nitrate content - Method by enzymatic reduction and molecular-absorption spectrometry after Griess reaction
ISO 20541:2008|IDF 197:2008 Determination of nitrate content in milk and milk products Enzymatic reduction method and Griess reaction molecular absorption spectrometry

Group Standards of the People's Republic of China, How to measure nitrite

T/SATA 053-2023 Determination of bromate, nitrite, chlorate, nitrate and thiocyanate in infant formula - Ion Chromatography

CZ-CSN, How to measure nitrite

CSN 57 0158-1986 Testing methods for meat products and canned sterilized food. Determination of nitrite and nitrate content

Danish Standards Foundation, How to measure nitrite

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 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 787-19:1995 General methods of test for pigments - Part 19: Determination of water-soluble nitrates (Salicylic acid method)
DS/EN ISO 787-13:2002 General methods of test for pigments and extenders - Part 13: Determination of water-soluble sulfates, chlorides and nitrates

NL-NEN, How to measure nitrite

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)

ES-UNE, How to measure nitrite

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-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)
UNE-EN ISO 787-13:2020 General methods of test for pigments and extenders - Part 13: Determination of water-soluble sulfates, chlorides and nitrates (ISO 787-13:2019)

Association Francaise de Normalisation, How to measure nitrite

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 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 T90-046:1996 Water quality - Determination of dissolved anions by liquid chromatography of ions - Part 2 : determination of bromide, chloride, nitrate, nitite, orthophosphate and sulfate in waste water.
NF T90-042:1995 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 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 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 EN ISO 787-19:2020 Méthodes générales d'essais des pigments - Partie 19 : détermination des nitrates solubles dans l'eau (Méthode à l'acide salicylique)
NF EN ISO 787-13:2019 Méthodes générales d'essai des pigments et matières de charge - Partie 13 : détermination des sulfates, chlorures et nitrates solubles dans l'eau
NF V04-332*NF EN ISO 20541:2008 Milk and milk products - Determination of nitrate content - Method by enzymatic reduction and molecular-absorption spectrometry after Griess reaction

European Committee for Standardization (CEN), How to measure nitrite

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 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)
EN ISO 13395:1996 Water Quality - Determination of Nitrite Nitrogen and Nitrate Nitrogen and the Sum of Both by Flow Analysis (CFA and FIA) and Spectrometric Detection
EN ISO 787-19:2020 General methods of test for pigments - Part 19: Determination of water-soluble nitrates (Salicylic acid method) (ISO 787-19:2020)
EN ISO 10304-1:1995 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 (ISO 10304-1 : 1992)
EN ISO 787-19:1995 General Methods of Test for Pigments - Part 19: Determination of Water-Soluble Nitrates (Salicylic Acid Method) (ISO 787-19 : 1974)
EN ISO 787-13:2019 General methods of test for pigments and extenders - Part 13: Determination of water-soluble sulfates, chlorides and nitrates (ISO 787-13:2019)
EN ISO 787-13:2002 General Methods of Test for Pigments and Extenders - Part 13: Determination of Water-Soluble Sulfates, Chlorides and Nitrates ISO 787-13: 2002

Japanese Industrial Standards Committee (JISC), How to measure nitrite

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 0400-35-30:1999 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 0400-43-60:2000 Water quality -- Determination of nitrate -- Part 3: Spectrometric method using sulfosalicylic acid

Korean Agency for Technology and Standards (KATS), How to measure nitrite

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 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 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 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 I ISO 14256-2-2016(2021) 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 M ISO 787-19-2007(2017) General methods of test for pigments－Part 19：Determination of water－soluble nitrates (Salicylic acid method)
KS M ISO 787-13:2012 General methods of test for pigments and extenders－Part 13：Determination of water-soluble sulfates, chlorides and nitrates
KS M ISO 787-13-2012(2017) General methods of test for pigments and extenders－Part 13：Determination of water-soluble sulfates, chlorides and nitrates
KS M ISO 787-19:2007 General methods of test for pigments－Part 19：Determination of water－soluble nitrates (Salicylic acid method)

KR-KS, How to measure nitrite

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 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 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

International Dairy Federation (IDF), How to measure nitrite

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)
IDF 197-2008 Milk and milk products - Determination of nitrate content - Method by enzymatic reduction and molecular-absorption spectrometry after Griess reaction

BE-NBN, How to measure nitrite

NBN-EN 26777-1993 Water quality. Determination of nitrite. Molecular absorption spectrometric method (ISO 6777:1984)

Professional Standard - Geology, How to measure nitrite

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

ZA-SANS, How to measure nitrite

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

PL-PKN, How to measure nitrite

PN C04576 ArkusZ06-1973 Water and waste waiter Tests for nitrogen Deterrninatian of nitrite by colo- rime?ric method with sulphanilic aicid and 1-naphty lamin?

Professional Standard - Urban Construction, How to measure nitrite

CJ 26.26-1991 Municipal sewage water quality inspection method standard Determination of nitrite nitrogen spectrophotometric method

Indonesia Standards, How to measure nitrite

SNI 06-6857-2002 Test methods of nitrite content in water by colorimetry with Gries Romeyer reagent

TR-TSE, How to measure nitrite

TS 2618-1977 General Methods Of Test For Pigraents PART — XIX Determination Of Water-Soluble Nitrates (Salicylic flcid Hethod)
TS 2612-1977 General Methods of Test Fo? Pigments Patt?m Determination of Water - Solnble Sulphates, Chlorides And Nitrates

Professional Standard - Tobacco, How to measure nitrite

YC/T 412-2011 Determination of nitrite in water-borne adhesives applied on polypropylene tow for making cigarette filter rod.Ion chromatography method

TH-TISI, How to measure nitrite

TIS 1780.13-1999 General methods of test for pigments.part ⅩⅢ: determination of water-soluble sulphates, chlorides and nitrates