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Nitrite detection method in water

Nitrite detection method in water, Total:327 items.

In the international standard classification, Nitrite detection method in water involves: Water quality, Milk and milk products, Animal feeding stuffs, Analytical chemistry, Inorganic chemicals, Meat, meat products and other animal produce, General methods of tests and analysis for food products, Fruits. Vegetables, Products of the chemical industry, Products of non-ferrous metals, Non-metalliferous minerals, Environmental testing, Fertilizers, Agricultural machines, implements and equipment, Test conditions and procedures in general, Non-ferrous metals, Soil quality. Pedology, FOOD TECHNOLOGY, Air quality, Beverages, Paint ingredients, Geology. Meteorology. Hydrology, Vocabularies, Microbiology, Tobacco, tobacco products and related equipment, Burners. Boilers, Power stations in general.

Indonesia Standards, Nitrite detection method 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 06-6857-2002 Test methods of nitrite content in water by colorimetry with Gries Romeyer reagent
SNI 19-6964.7-2003 Seawater quality - Part 7: Test methods of nitrates (NO3-N) with cadmium reduction by spectrophotometry
SNI 19-6964.1-2003 Seawater quality - Part 1: Test methods of nitrites (NO2-N) with sulfanilamides by spectrofotometry
SNI 06-3415-1994 Water, Test methods for sulphite content by titrimetric methods
SNI 06-6989.9-2004 Water and waste water - Part 9: Test methods of nitrites (NO2-N) by spectrophotometry
SNI 06-6856-2002 Test methods of nitrate content in water by using of colorimetry with Nessler reagent
SNI 06-6601-2001 Methods for determination of sulphate in water by residue draining in gravimetric methods

American Society for Testing and Materials (ASTM), Nitrite detection method in water

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 D7781-23 Standard Test Method for Nitrite-Nitrate in Water by Nitrate Reductase
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 D4658-03 Standard Test Method for Sulfide Ion in Water
ASTM D6581-18 Standard Test Methods for Bromate, Bromide, Chlorate, and Chlorite in Drinking Water by Suppressed Ion Chromatography
ASTM D4954-89(1995)e1 Standard Test Method for Determination of Nitrilotriacetates in Detergents
ASTM D4954-89(2017) Standard Test Method for Determination of Nitrilotriacetates in Detergents
ASTM D8459-23 Standard Test Methods for Detecting Water Soluble Sulfates in Construction Soils
ASTM D4130-03 Standard Test Method for Sulfate Ion in Brackish Water, Seawater, and Brines
ASTM D5085-21 Standard Test Method for Determination of Chloride, Nitrate, and Sulfate in Atmospheric Wet Deposition by Suppressed Ion Chromatography

Group Standards of the People's Republic of China, Nitrite detection method in water

T/CPCIF 0168-2021 Rapid detection kits for nitrite，nitrate and ammonia nitrogen in water
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

Professional Standard - Agriculture, Nitrite detection method in water

GB/T 5009.33-1996 Determination method of nitrite and nitrate in food
GB 13085-1991 Determination method of nitrite in feed
KJ 201704 Rapid detection of nitrite in food by naphthalene ethylenediamine hydrochloride method
NY/T 1375-2007 Determination of Nitrite and Nitrate in Plant Products Ion Chromatography 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
水产品质量安全检验手册 7.5.1.2-2005 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) (2) Oscillopolarographic method
NY/T 1279-2007 Determination of Nitrate in Vegetables and Fruits UV-spectrophotometer
GB/T 13882-1992 Determination method of iodine in feedstuffs Ferric thiocyanate-nitrous acid catalytic kinetic method
空气和废气监测分析方法 4.2.5-2003 Part 4 Precipitation Monitoring Chapter 2 Precipitation Monitoring Analysis Methods Pentanitrite
水产品质量安全检验手册 7.6.1.1-2005 Chapter 7 Inspection of additives in aquatic products Section 6 Determination of bleaching agents in aquatic products 1. Determination of sulfite (GBT 5009.34-2003) (1) Pararosaniline hydrochloride method
SN/T 5051-2018 Determination of Fluoride, Chloride, Sulfate and Nitrate in Water-Soluble Phosphates by Ion Chromatography
水产品质量安全检验手册 7.5.2.0-2005 Chapter 7 Inspection of Additives in Aquatic Products Section 5 Determination of Chromogenic Agents in Aquatic Products 2. Determination of Nitrate--Cadmium Column Method (GBT 5009.33-2003)

YU-JUS, Nitrite detection method in water

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

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, Nitrite detection method in water

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 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 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 13085-2005 Determination of nitrite in feeds-Method using colorimetric analysis
GB/T 6912-2008 Analysis of water used in boiler and cooling system.Determination of nitrite
GB/T 7493-1987 Water quality--Determination of nitrogen (nitrite)--Spectrophotometric method
GB/T 32677-2016 Determination of inorganic sulfite in toothpaste
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 14642-1993 Industrial circulating cooling water and boiler waterdetermination of fluorine Choride phosphate Nitrite nitrate and sulfate--Ion chromatography
GB/T 14642-2009 Industrial circulating cooling water and boiler water.Determination of fluoride,chloride,phosphate,nitrite,nitrate and sulfate.Ion chromatography
GB/T 12374-1990 Standard method for examination of nitrate in air of residential areas--Reduction of the cadmium column-spectrophotometry of N-(1-naphthyl)ethylene diamine hydrochloride
GB/T 16102-1995 Workplace air--Determination of nitrobenzene--Naphthyl ethylenediamine dihydrochloride spectrophotometric method
GB/T 14426-1993 Analysis of water used in boiler and cooling system. Determination of sulfite

Taiwan Provincial Standard of the People's Republic of China, Nitrite detection method in water

CNS 12980-1992 Method of Test for Milk and Milk Products - Determination of Nitrate and Nitrite Contents of Edible Cheese
CNS 15091-15-2007 Method of test for deep sea water - Determination of nitrite
CNS 12980-2007 Method of test for milk and milk products - Determination of nitrate and nitrite content in edible cheese
CNS 15091-14-2007 Method of test for deep sea water - Determination of nitrate
CNS 12966-1992 Method of Test for Hazardous Components in Fertilizers:Determination of Nitrous Acid

SE-SIS, Nitrite detection method in water

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

中华人民共和国环境保护部, Nitrite detection method 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

Professional Standard - Light Industry, Nitrite detection method in water

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

RU-GOST R, Nitrite detection method in water

GOST R 51460-1999 Cheese. Method for determination of nitrate and nitrite contents
GOST 8558.1-1978 Meat products. Methods for determination of nitrit
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 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 10671.3-2016 Reagents. Methods for determination of nitrites impurity
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 29299-1992 Meat and meat products. Determination of nitrite content
GOST R 50465-1993 Fodder, mixed fodder and animal feed raw stuff. Methods of nitrate and nitrite determination
GOST 23268.8-1978 Drinking medicinal, medicinal-table and natural-table mineral waters. Methods of determination of nitrite-ions
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 21119.11-1992 General methods of test for pigments and extenders. Determination of water-soluble sulphates, chlorides and nitrates
GOST 26424-1985 Soils. Method for determination of carbonate and bicarbonate ions in water extract

IN-BIS, Nitrite detection method in water

NO-SN, Nitrite detection method in water

NS 4865-1983 Air quality - Determination of the sum of nitrite- and nitrate-nitrogen in precipitation

RO-ASRO, Nitrite detection method in water

STAS 8900/2-1971 SURFACE AND WASTE WATERS Nitrite determination
STAS SR ISO 6777:1996 Water quality - Determination of nitrite - Molecular absorption spectrometric method
STAS SR 3048-2-1996 Drinking water - Nitrites content determination - Molecular absorption spectrometric method

British Standards Institution (BSI), Nitrite detection method in water

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 6248-11:1987 Caseins and caseinates. Method for determination of nitrate and nitrite contents
BS 4267-7:1987 Ammonium nitrate - Methods for determination of nitrite content
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 ISO 15923-1:2013 Water quality. Determination of selected parameters by discrete analysis systems. Ammonium, nitrate, nitrite, chloride, orthophosphate, sulfate and silicate with photometric detection
BS 770-9:1985 Methods for chemical analysis of cheese. Determination of nitrate and nitrite contents. Cadmium reduction and photometry method
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 1728-9:1957 Methods for the analysis of aluminium and aluminium alloys - Determination of manganese (volumetric: arsenite/nitrite method)
BS EN 26777:1993 Water quality. Physical, chemical and biochemical methods. Determination of nitrite: molecular absorption spectrometric 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 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 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 4401-8:1976 Methods of test for meat and meat products - Determination of nitrite content
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 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 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 6068-2.36:1989 Water quality. Physical, chemical and biochemical methods. Spectrometric method for the determination of nitrate using sulphosalicylic acid
BS EN ISO 787-19:1995 General methods of test for pigments and extenders - Determination of water-soluble nitrates (Salicylic acid method)
BS EN ISO 787-13:2002 General methods of test for pigments and extenders - Determination of water-soluble sulfates, chlorides and nitrates
BS EN 26461-1:1993 Water quality. Detection and enumeration of the spores of sulfite-reducing anaerobes (Clostridia). Method by enrichment in a liquid medium
BS EN ISO 787-13:2019 General methods of test for pigments and extenders - Determination of water-soluble sulfates, chlorides and nitrates
21/30426872 DC BS ISO 23696-2. Water quality. Determination of nitrate in water using small-scale sealed tubes. Part 2. Chromotropic acid based method
BS EN ISO 787:1995 General methods of test for pigments and extenders. Determination of water-soluble nitrates (Salicylic acid method)

PL-PKN, Nitrite detection method in water

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?
PN C04404-09-1986 Pigments for paints General methods of test Determination of water-soluble sulphates, chlorides and nitrates

Association Francaise de Normalisation, Nitrite detection method 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 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 V03-010-2*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 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 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 T90-436-1*NF ISO 15923-1:2014 Water quality - Determination of selected parameters by discrete analysis systems - Part 1 : ammonium, nitrate, nitrite, chloride, orthophosphate, sulfate and silicate with photometric detection
NF ISO 15923-1:2014 Qualité de l'eau - Détermination de paramètres sélectionnés par des systèmes d'analyse discrète - Partie 1 : ammonium, nitrate, nitrite, chlorure, orthophosphate, sulfate et silicate par détection photométrique
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 T90-042:1995 Water quality - Determination of dissolved fluoride, chloride, nitrite, orthophosphate, bromide, nitrate and sulfate ions, using liquid chromatography of ions - Part 1 : method for water with low contamination.
NF T90-042-1*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 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 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 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 14673-3:2004 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 T31-240:1995 General methods of test for pigments. Part 19 : determination of water-soluble nitrates (salicylic acid method).
NF T31-230-19*NF EN ISO 787-19:2020 General methods of test for pigments - Part 19 : determination of water-soluble nitrates (Salicylic acid method)
NF ISO 15819:2014 Cosmétiques - Méthodes analytiques - Nitrosamines : recherche et dosage de la N-nitrosodiéthanolamine (NDELA) dans les produits cosmétiques par CLHP-SM-SM
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 ISO 10130:2010 Cosmétiques - Méthodes analytiques - Nitrosamines : recherche et dosage de la N-nitrosodiéthanolamine (NDELA) dans les cosmétiques par CLHP, photolyse et dérivation post-colonne

VN-TCVN, Nitrite detection method in water

TCVN 2323-1978 Reagents.Methods for the determination of nitrites
TCVN 6178-1996 Water quality.Determination of nitrite.Molecular absorption spectrometric method
TCVN 6180-1996 Water quality.Determination of nitrate.Spectrometric method using sulfosalicylic acid sunfosalixilic
TCVN 7814-2007 Foodstuffs.Determination of nitrate and/or nitrite content.Part 2: HPLC/LC method for the determination of nitrade content of vegetables and vegetable products
TCVN 7767-2007 Fruits, vegetables and derived products.Determination of nitrite and nitrate content.Molecular absorption spectrometric method
TCVN 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

Korean Agency for Technology and Standards (KATS), Nitrite detection method in water

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 3220-2007 Water quality－Determination of nitrate
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 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 13395-2008(2018) Water quality－Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection
KS I ISO 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 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 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 14256-2:2006 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 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 787-19:2022 General methods of test for pigments — Part 19: Determination of water-soluble nitrates (Salicylic acid 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 10130:2014 Cosmetics — Analytical methods — Nitrosamines: Detection and determination of N-nitrosodiethanolamine(NDELA) in cosmetics by HPLC, post-column photolysis and derivatization
KS M ISO 787-19:2007 General methods of test for pigments－Part 19：Determination of water－soluble nitrates (Salicylic acid method)

European Committee for Standardization (CEN), Nitrite detection method in water

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 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 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 26777:1993 Water Quality - Determination of Nitrite - Molecular Absorption Spectrometric Method (ISO 6777: 1984)
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 12014-7:1998 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
prEN 26777-1992 Water quality; determination of nitrate; molecular absorption spectrometric method (ISO 6777:1984)
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 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 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 787-19:1995 General Methods of Test for Pigments - Part 19: Determination of Water-Soluble Nitrates (Salicylic Acid Method) (ISO 787-19 : 1974)

International Organization for Standardization (ISO), Nitrite detection method in water

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 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 6777:1984 Water quality; Determination of nitrite; Molecular absorption spectrometric method
ISO 6635:1984 Fruits, vegetables and derived products; Determination of nitrite and nitrate content; Molecular absorption spectrometric 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 15923-1:2013 Water quality.Determination of selected parameters by discrete analysis systems.Part 1: Ammonium, nitrate, nitrite, chloride, orthophosphate, sulfate and silicate with photometric detection
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 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 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 14673-3:2001 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 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 14673-3:2004 | 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 787-19:2020 General methods of test for pigments — Part 19: Determination of water-soluble nitrates (Salicylic acid method)
ISO 787-19:1974 General methods of test for pigments; part 19: determination of water-soluble nitrates (Salicylic acid method)
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

ZA-SANS, Nitrite detection method in water

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 6777:1984 Water quality - Determination of nitrite - Molecular absorption spectrometric method

AT-ON, Nitrite detection method in water

ONORM DIN 10338-1992 Determination of nitrate and nitrite contents of cheese - Method by cadmium reduction
ONORM M 6283-1990 Water analysis; determination of fluoride, Chloride, nitrite, Phosphate, bromide, nitrate and sulfate by Ion exchange chromatography
ONORM EN 26777-1993 Water quality - Determination of nitrite - Molecular absorption spectrometric method (ISO 6777:1984)
ONORM M 6282-1987 Water analysis; determination ofnitrite; 4-aminobenzene Sulfonamide — N-(l-naphthyl)-1,2-diaminoethane-dihydrochloride spectrometric method

Professional Standard - Commodity Inspection, Nitrite detection method in water

SN/T 3151-2012 Determination of nitrate and nitrite in food for export.Ion chromatography
SN/T 2918-2011 Determination of sulfite in food for export.Ion chromatography method
SN/T 1071-2014 Method for the determination of anaerobic sulfite-reducing clostridia in food for export
SN/T 0280-2012 Determination of dicloran residues in fruits for export
SN/T 1071-2002 Method for the determination of anaerobic sulfite-reducing clostridia in food for import and export

Yunnan Provincial Standard of the People's Republic of China, Nitrite detection method 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, Nitrite detection method in water

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

German Institute for Standardization, Nitrite detection method in water

DIN EN 12014-4:2005 Foodstuffs - Determination of nitrate and/or nitrite content - Part 4: Ion-exchange chromatographic (IC) method for the determination of nitrate and nitrite content of meat products; German version EN 12014-4:2005
DIN EN 12014-4:2005-08 Foodstuffs - Determination of nitrate and/or nitrite content - Part 4: Ion-exchange chromatographic (IC) method for the determination of nitrate and nitrite content of meat products; German version EN 12014-4:2005
DIN 10476:2001 Determination of nitrite and nitrate content of milk products - Enzymatic method (color test)
DIN EN 26777:1993 Water quality; determination of nitrite; molecular absorption spectrometric method (ISO 6777:1984); german version EN 26777:1993
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 12014-5:1997-08 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 ISO 15923-1:2014-07 Water quality - Determination of selected parameters by discrete analysis systems - Part 1: Ammonium, nitrate, nitrite, chloride, orthophosphate, sulfate and silicate with photometric detection (ISO 15923-1:2013)
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 13395:1996-12 Water quality - Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection (ISO 13395:1996); German version EN ISO 13395:1996
DIN EN 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 26777:1993-04 Water quality; determination of nitrite; molecular absorption spectrometric method (ISO 6777:1984); german version EN 26777:1993
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 ISO 15923-1:2014 Water quality - Determination of selected parameters by discrete analysis systems - Part 1: Ammonium, nitrate, nitrite, chloride, orthophosphate, sulfate and silicate with photometric detection (ISO 15923-1:2013)
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 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 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 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 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 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 787-19:1995 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 38405-29 Berichtigung 1:2019-02 German standard methods for the examination of water, waste water and sludge - Anions (group D) - Part 29: Spectrometric determination of nitrate with sulfosalicylic acid (D 29); ISO 7890-3:1988, modified; Corrigendum 1
DIN 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)
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

Professional Standard - Urban Construction, Nitrite detection method in water

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

Japanese Industrial Standards Committee (JISC), Nitrite detection method in water

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 0400-35-40:2000 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 0400-35-30:1999 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 0400-43-60:2000 Water quality -- Determination of nitrate -- Part 3: Spectrometric method using sulfosalicylic acid
JIS K 0400-43-40:2000 Water quality -- Determination of nitrate -- Part 1: 2,6-Dimethylphenol spectrometric method
JIS K 0400-43-50:2000 Water quality -- Determination of nitrate -- Part 2: 4-Fluorophenol spectrometric method after distillation

未注明发布机构, Nitrite detection method in water

BS 4267-7:1987(1999) Ammonium nitrate — Part 7 : Methods for determination of nitrite 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 EN ISO 13395:1996(1998) Water quality — Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection

NL-NEN, Nitrite detection method in water

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-ISO 6777:1993 Water quality. Determination of nitrite. Molecular absorption spectrometric method (ISO 6777:1984)
NEN 6653-1992 Water - Photometric determination of the content of dissolved nitrite by continuous flow analysis

BE-NBN, Nitrite detection method in water

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)

Danish Standards Foundation, Nitrite detection method in water

DS/EN ISO 13395:1997 Water quality - Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection
DS/EN 26777:2003 Water quality - Determination of nitrite - Molecular absorption spectrometric method
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 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
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 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)

Professional Standard - Coal, Nitrite detection method 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
MT/T 743.2-1997 Determination of phosphorus in phosphate in mine water
MT/T 743.3-1997 Determination of phosphorus in hydrolysable phosphate in mine water
MT/T 743.3-2011 Determination of phosphorus in hydrolysable phosphate in mine water
MT/T 743.2-2011 Determination of phosphorus in orthophosphate in mine water

KR-KS, Nitrite detection method in 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 10304-1-2023 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 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 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 787-19-2022 General methods of test for pigments — Part 19: Determination of water-soluble nitrates (Salicylic acid method)

Professional Standard - Chemical Industry, Nitrite detection method in water

HG/T 3526-2003 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
HG/T 3516-2011 Industrial circulating cooling water.Determination of nitrite.Molecular absorption spectrometric method
HG/T 3526-2011 Industrial circulating cooling water determination of nitrate.Spectrophotometric method using sulfosalicylic acid

Association of Official Analytical Chemists (AOAC), Nitrite detection method in water

AOAC 990.28-1994 AOAC Official Method 990.28 Sulfites in Foods Optimized Monier–Williams Method First Action 1990 Final Action 1994

CZ-CSN, Nitrite detection method in water

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

Lithuanian Standards Office , Nitrite detection method in water

LST EN ISO 13395:2000 Water quality - Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection (ISO 13395:1996)
LST EN 12014-2-2001 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 26777-1999 Water quality - Determination of nitrite - Molecular absorption spectrometric method (ISO 6777:1984)
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 787-19:2002 General methods of test for pigments - Part 19: Determination of water-soluble nitrates (Salicyclic acid method) (ISO 787-19:1974)
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)

Professional Standard - Geology, Nitrite detection method in water

DZ/T 0064.60-1993 Spectrophotometric method for determination of nitrite radicals in groundwater quality testing
DZ/T 0064.60-2021 Analytical methods of groundwater quality - Part 60: Determination of nitrite spectrophotometric method
DZ/T 0064.58-1993 Groundwater Quality Test Method for Determination of Nitrate by Disulfonic Acid Phenol Spectrophotometry
DZ/T 0064.58-2021 Methods of Analytical Groundwater Quality Part 58: Determination of Nitrate Disulfonic Acid Phenol Spectrophotometric Method
DZ/T 0064.59-1993 Groundwater Quality Examination Method Determination of Nitrate by Ultraviolet Spectrophotometry

AENOR, Nitrite detection method in water

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 12014-2:1998 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 13395:1997 WATER QUALITY. DETERMINATION OF NITRITE NITROGEN AND NITRATE NITROGEN AND THE SUM OF BOTH BY FLOW ANALYSIS (CFA AND FIA) AND SPECTROMETRIC DETECTION. (ISO 13395:1996).
UNE-EN 26777:1994 WATER QUALITY. DETERMINATION OF NITRITE. MOLECULAR ABSORPTION SPECTROMETRIC METHOD. (ISO 6777:1984).
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-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)
UNE-EN ISO 787-19:1996 GENERAL METHODS OF TEST FOR PIGMENTS. PART 19: DETERMINATION OF WATER-SOLUBLE NITRATES (SALICYCLIC ACID METHOD). (ISO 787-19:1974).
UNE 40205:1972 METHOD TO DETERMINE WOOL SOLUBILITY IN UREA-BISULPHITE.

ES-UNE, Nitrite detection method 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-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)

Professional Standard - Environmental Protection, Nitrite detection method in water

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

(U.S.) Ford Automotive Standards, Nitrite detection method in water

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

HU-MSZT, Nitrite detection method in water

MSZ 9279/6-1980

Standard Association of Australia （SAA）, Nitrite detection method 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

PT-IPQ, Nitrite detection method in water

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

Hebei Provincial Standard of the People's Republic of China, Nitrite detection method in water

DB13/T 5189.1-2020 Detection of Hazardous Components in Natural Plant Extracts Part 1: Determination of Nitrite

Fujian Provincial Standard of the People's Republic of China, Nitrite detection method in water

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

Professional Standard - Ocean, Nitrite detection method in water

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

TR-TSE, Nitrite detection method in water

TS 3308-1979 METHODS FOR THE ANALYSIS OF WATER DETERMINATION OF THE NITRATE CONTENT
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

海关总署, Nitrite detection method in water

SN/T 5120-2019 Colorimetric and ion chromatographic methods for determination of nitrite in imported and exported food animals and feeds

Shandong Provincial Standard of the People's Republic of China, Nitrite detection method in water

DB37/T 343-2003 Determination method of phosphate content in cod and other aquatic products

Anhui Provincial Standard of the People's Republic of China, Nitrite detection method in water

DB34/T 2374-2015 Determination of Sulfate, Nitrate, Nitrite, Phosphate, Fluoride and Chloride in Coal Mine Water by Ion Chromatography

CU-NC, Nitrite detection method 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
NC 93-10-1986 Community Hygiene. Determination of Nitrates in Soils. Analysis Method

中华人民共和国国家卫生和计划生育委员会, Nitrite detection method in water

GB 12374-1990 Standard method for the examination of nitrate in the atmosphere of residential areas

Association of German Mechanical Engineers, Nitrite detection method in water

VDI 3870 Blatt 13-1996 Analysis of rainwater - Determination of chloride, nitrate and sulfate in rainwater by ion chromatography using the suppressor technique

International Dairy Federation (IDF), Nitrite detection method in water

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 - Tobacco, Nitrite detection method in water

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

Professional Standard - Electricity, Nitrite detection method in water

DL/T 502.30-2006 Analytical methods of steam and water in power plants Part 30: Determination of nitrates (Spectrometric method using salicylic acid)

National Association of Corrosion Engineers (NACE), Nitrite detection method in water

NACE TM0399-1999 Standard Test Method for Phosphonate in Brine Item No. 21238

Professional Standard - Railway, Nitrite detection method in water

TB/T 2544.2-1995 Quick Analysis Method for Corrosion Inhibitor in Cooling Water of Railway Diesel Locomotive Determination of Nitrite Ultraviolet Spectrophotometry

Zhejiang Provincial Standard of the People's Republic of China, Nitrite detection method in water

DB33/T 308-2001 Determination method of clenbuterol hydrochloride content in feed