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Detect nitrite content

Detect nitrite content, Total:395 items.

In the international standard classification, Detect nitrite content involves: Water quality, Meat, meat products and other animal produce, Milk and milk products, General methods of tests and analysis for food products, Inorganic chemicals, Fruits. Vegetables, Prepackaged and prepared foods, Ferroalloys, Food products in general, Analytical chemistry, Fertilizers, Soil quality. Pedology, Metalliferous minerals, Metrology and measurement in general, Non-ferrous metals, Tobacco, tobacco products and related equipment, Products of the chemical industry, FOOD TECHNOLOGY, Materials for aerospace construction, Organic chemicals, Beverages, Microbiology, Paint ingredients, Raw materials for rubber and plastics, Fuels, Geology. Meteorology. Hydrology.

HU-MSZT, Detect nitrite content

ZA-SANS, Detect nitrite content

SANS 5210:2006 Water - Nitrate and nitrite content
SANS 5210:2010 Water - Nitrate and nitrite content
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 5292:1987 Sulphates in solutions, detection
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

YU-JUS, Detect nitrite content

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.G8.017-1980 Reagents. Hydrochloric acid. Determination ofnilphites oontent. Iodimetric 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.G8.503-1991 Reagents. Formic acid. Determination of sulphites content. Volumetric 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.G8.196-1985 Reagents. Ammonium chloride. Determination of nitrate content. Colorimetric method
JUS H.G8.425-1990 Reaaents. Sodiuin sulphite, anhvdrous and sodium sulphite heptahydrate. Determination of iron content. Colorimetric method
JUS H.G8.386-1989 Reagents. Calciun nitrate tetrahydrate. Deterraination of suiphates content. Turbidinetric nethod
JUS H.G8.094-1983 Reagents. Calcium sulphate dihydrate. Determination of nitrate content. Co/orimetric method
JUS H.G8.382-1989 Reagents. Calciuin nitrata tetrahvdrate. Detarninatior. of calciun nitrate tetrahvdrate -ontent. EDTA(di-sodiun sait) conplexonezric method
JUS H.G8.424-1990 Reaqents. Sodium sulphite, anhydrous and so?ium sulphite heptahvdrate. Determination of thiosulphate 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.G8.047-1982 Reagents. Si Iver nitrate. Determination of heavy metals content (asPb). Colorimetric method
JUS H.G8.434-1990 Reaqents. Potassiuia iodide. Detenaination of phospha.te content. Spectrophotometric method
JUS H.G8.046-1982 Reagents. Silver nitrate. Determination of substances not precipitated by hydrochloric acid. Gravimetric method
JUS H.G8.279-1987 Reagents. Iron(ll) M/phate heptahydrate. Determination of phosphate content. Spectrophotometric method
JUS H.P8.034-1984 Testing of pesticides. Potassium metabisulphite, technical. Determination of K2SO^ content
JUS H.P8.033-1984 Testing of pesticide?. Potassium metabisulphite, technical, Determination ofSO'2 content2
JUS H.G8.427-1990 Reaaents. Sodium sulphite, anhvdrous and sodium sulphite heptahv?rate. Determination of arsenic content. Silver diethyldithiocarbamate spectrophotometric method
JUS H.Z1.163-1984 Testing of industrial vvaters. Determination od sulphate content. Gravimetric method with barium chlo- ride
JUS H.G8.401-1989 Reagents. Calcium nitrate tetrahvdrate. Detemination of substances not precipitated by aiumonium oxalate (as sulphate) . Gravimetric nethod
JUS H.Z1.141-1984 Toasting of industrial waters; Determination of chlorides content Volumetric mathod with mercuric ni- trate
JUS H.Z1.140-1984 Testing of industrial vvaters. Determination ofchloride content. Volumetric method with silver-nitrate
JUS H.Z1.138-1984 Testing of industriaf vvaters. Determination ofcyanide content Volumetrk method with silver-nitrate
JUS H.C8.224-1989 Pigments. Basic zine ootassium chromate. Determination of water-soluble nitrate content (as NOJ. Colorimetric method

British Standards Institution (BSI), Detect nitrite content

BS EN 12014-3:2005 Foodstuffs - Determination of nitrate and/or nitrite content - Spectrometric determination of nitrate and nitrite content of meat products after enzymatic reduction of nitrate to nitrite
DD ENV 12014-4-1998 Foodstuffs. Determination of nitrate and/or nitrite content. Ion-exchange chromatographic (IC) method for the determination of nitrate and nitrite content of meat products
BS EN 12014-4:2005 Foodstuffs - Determination of nitrate and/or nitrite content - Ion-exchange chromatographic (IC) method for the determination of nitrate and nitrite content of meat products
BS EN 12014-1:1997(2000) Foodstuffs - Determination of nitrate and/or nitrite content - General considerations
BS EN 12014-1:1997 Foodstuffs - Determination of nitrate and/or nitrite content - General considerations
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 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 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 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 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 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 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 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 ISO 15517:2003+A1:2012 Tobacco. Determination of nitrate content. Continuous-flow analysis 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 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 4401-7:1976 Methods of test for meat and meat products - Determination of nitrate content
BS 5551-4.1.1:1981 Fertilizers - Chemical analysis - Determination of nitrogen - Nitron gravimetric method for determination of nitrate nitrogen
BS EN 14131:2003 Foodstuffs - Determination of folate by microbiological assay
BS ISO 14869-3:2017 Soil quality. Dissolution for the determination of total element content. Dissolution with hydrofluoric, hydrochloric and nitric acids using pressurised microwave technique

European Committee for Standardization (CEN), Detect nitrite content

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 12014-1:1997/A1:1999 Foodstuffs - Determination of nitrate and/or nitrite content - Part 1: General considerations
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 12014-1:1997 Foodstuffs - Determination of Nitrate and/or Nitrite Content - Part 1: General Considerations (Incorporates Amendment A1: 1999)
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 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 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 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 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 10304-1:1995 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)

Danish Standards Foundation, Detect nitrite content

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 12014-5:1998 Foodstuffs - Determination of nitrate and/or nitrite content - Part 5: Enzymatic determination of nitrate content of vegetable-containing food for babies and infants
DS 223:1991 Water analysis. Determination of the sum of nitrite- and nitrate-nitrogen
DS/EN 12014-1/A1:1999 Foodstuffs - Determination of nitrate and/or nitrite content - Part 1: General considerations
DS/EN 12014-1:1998 Foodstuffs - Determination of nitrate and/or nitrite content - Part 1: General considerations
DS/EN 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 12014-7:1999 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 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 14673-2:2004 Milk and milk products - Determination of nitrate and nitrite contents - Part 2: Method using segmented flow analysis (Routine method)
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 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)

Lithuanian Standards Office , Detect nitrite content

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 12014-5-2001 Foodstuffs - Determination of nitrate and/or nitrite content - Part 5: Enzymatic determination of nitrate content of vegetable-containing food for babies and infants
LST EN 12014-1+A1-2001 Foodstuffs - Determination of nitrate and/or nitrite content - Part 1: General considerations
LST EN 12014-2-2001 Foodstuffs - Determination of nitrate and/or nitrite content - Part 2: HPLC/IC method for the determination of nitrate content of vegetables and vegetable products
LST EN 12014-7-2001 Foodstuffs - Determination of nitrate and/or nitrite content - Part 7: Continuous flow method for the determination of nitrate content of vegetables and vegetable products after Cadmium reduction
LST ISO 2918:1997 Meat and meat products. Determination of nitrite content (Reference method)
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 14673-2:2004 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 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 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)

AENOR, Detect nitrite content

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 12014-4:2006 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 12014-5:1997 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 34206:1981 SODIUM CHLORIDE. DETERMINATION OF NITRITE CONTENT. PERMANGANIMETRIC METHOD.
UNE-EN 12014-1/A1:2001 FOODSTUFFS. DETERMINATION OF NITRATE AND/OR NITRITE CONTENT. PART 1: GENERAL CONSIDERATIONS.
UNE-EN 12014-1:1997 FOODSTUFFS. DETERMINATION OF NITRATE AND/OR NITRITE CONTENT. PART 1: GENERAL CONSIDERATIONS.
UNE-EN 12014-7:2000 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 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 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 ISO 14673-1:2004 Milk and milk products - Determination of nitrate and nitrate contents - Part 1: Method using cadmium reduction and spectrometry (ISO 14673-1:2004)
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 84709:2009 Cosmetic raw materials. Dentifrices. Determination of the nitrate content by the selective electrode assay.

Association Francaise de Normalisation, Detect nitrite content

NF V03-010-3*NF EN 12014-3:2005 Foodstuffs - Determination of nitrate and/or nitrite content - Part 3 : spectrometric determination of nitrate and nitrite content of meat products after enzymatic reduction of nitrate to nitrite
NF EN 12014-3:2005 Produits alimentaires - Détermination de la teneur en nitrates et/ou en nitrites - Partie 3 : détermination spectrométrique de la teneur en nitrates et en nitrites des produits carnés après réduction enzymatique des nitrates en nitrites
NF 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 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 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 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 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 V03-010-1*NF EN 12014-1:1997 Foodstuffs - Determination of nitrate and/or nitrite content - Part 1 : general considerations.
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 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 V04-390:1988 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 V04-172-1*NF EN ISO 14673-1:2004 Milk and milk products - Determination of nitrate and nitrite contents - Part 1 : method using cadmium reduction and spectrometry.
NF V03-010-1/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 V04-172-2*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 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 T20-263:1969 Chemical analysis of hydrochloric and nitric acids. Turbidimetric determination of sulphates.
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 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 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 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 V04-410:1974 Meat and meat products. Determination of nitrate content (reference method).
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 T20-287:1982 Nitric acid for industrial use. Determination of sulphate content. Method by reduction and titrimetry.
NF T90-012*NF EN ISO 13395:1996 Water quality - Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection.
NF U42-146*NF EN 15560:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free.
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 T31-240:1995 General methods of test for pigments. Part 19 : determination of water-soluble nitrates (salicylic acid method).

German Institute for Standardization, Detect nitrite content

DIN EN 12014-3:2005 Foodstuffs - Determination of nitrate and/or nitrite content - Part 3: Spectrometric determination of nitrate and nitrite content of meat products after enzymatic reduction of nitrate to nitrite; German version EN 12014-3:2005
DIN EN 12014-3:2005-08 Foodstuffs - Determination of nitrate and/or nitrite content - Part 3: Spectrometric determination of nitrate and nitrite content of meat products after enzymatic reduction of nitrate to nitrite; German version EN 12014-3:2005
DIN EN 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 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 12014-5:1997-08 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 12014-1:1999 Foodstuffs - Determination of nitrate and/or nitrite content - Part 1: General considerations (including Amendment A1:1999); German version EN 12014-1:1997 + A1:1999
DIN EN 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 10476:2001 Determination of nitrite and nitrate content of milk products - Enzymatic method (color test)
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 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 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 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 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 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 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 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 CEN/TS 15561:2007 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates; German version CEN/TS 15561:2007
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 CEN/TS 15560:2007 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free; German version CEN/TS 15560:2007
DIN EN ISO 13395:1996 Water quality - Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection (ISO 13395:1996); German version EN ISO 13395:1996
DIN ISO 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 55625-10:2021 Extenders for plastics - Part 10: Natural talc and chlorite in lamellar form, containing carbonates - Specifications and methods of test
DIN 53770-9:1977 Testing of pigments; determination of matter soluble in hydrochloric acid, cobalt content
DIN 51726:2004 Testing of solid fuels - Determination of the carbonate carbon dioxide content

Taiwan Provincial Standard of the People's Republic of China, Detect nitrite content

CNS 12980-2007 Method of test for milk and milk products - Determination of nitrate and nitrite content in edible cheese
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 6391-2008 Method of test for meat and meat products - Determination of nitrate content

RU-GOST R, Detect nitrite content

GOST R 51460-1999 Cheese. 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 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 R 51454-1999 Caseins and caseinates. Method of determination of nitrate and nitrite contents
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 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 30181.3-1994 Mineral fertilizers. Method for determination of mass fraction of nitrogen in fertilizers with nitrate nitrogen
GOST 8.626-2013 State system for ensuring the traceability of measurements. Instruments for determination the nitrites and nitrates in food. Verification procedure
GOST EN 15561-2013 Fertilizers. Determination of total nitrogen in calcium cyanamide containing nitrates
GOST EN 15560-2013 Fertilizers. Determination of total nitrogen in calcium cyanamide nitrate free
GOST R 51821-2001 Vodkas and special vodkas. Ion chromatography method of determination of potassium, sodium, ammonium, calcium, magnesium, strontium cations and fluorides, chlorides, nitrates, nitrites, phosphates and sulphates anions mass concentration

RO-ASRO, Detect nitrite content

STAS 12754-1989 SEA WATER Nitrites content determination
STAS 10314-1984 MILK AND MILK PRODUCTS Determination of nitrites and nitrates content
STAS 11581-1983 VEGETABLE AND FRUIT PRODUCTSAND VEGETABLE WITH MEAT PRODUCTS Determination of nitrate and nitrite contents
STAS 9065/9-1974 MliAT AND MEAT PRODUCTS Determination of nitrite content
STAS 12999-1991 SEA WATER Azotates content determination
STAS SR 3048-2-1996 Drinking water - Nitrites content determination - Molecular absorption spectrometric method
SR ISO 316:1994 Manganese ores. Determination of cobalt content. Nitroso-R-salt photometric method
SR ISO 4176:1981 Fertilizers. Determination of nitrate nitrogen content. Nitrogen gravimetric method
STAS 7661-1989 SURFACE WATERS AND WASTE WATERS Sulphites content determina tion

BE-NBN, Detect nitrite content

NBN V 21-027-1982 Cheese - Determination of nitrate and nitrite contents - Reference method
NBN V 21-028-1982 Dried milk and whey powder - Determination of nitrate and nitrite contents -Reference method
NBN T 03-042-1979 Nitric acid for industrial use - Determination of sulphate content - Method by reduction and titrimetry
NBN-EN 26777-1993 Water quality. Determination of nitrite. Molecular absorption spectrometric method (ISO 6777:1984)

SE-SIS, Detect nitrite content

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

AT-ON, Detect nitrite content

ONORM DIN 10338-1992 Determination of nitrate and nitrite contents of cheese - Method by cadmium reduction

NL-NEN, Detect nitrite content

NEN 6474-1981 Water ■ Photometric determination of nitrite content
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 6652-1992 Water- Photometric determination of the sum of the contents of dissolved nitrate and nitrite by continuous flow analysis
NEN 6440-1981 Water - Photometric determination of nitrate content
NEN 2866-1989 Fruit juices Determination of nitrate content - Spectrometric method
NEN 6588-1988 Rain water - Determination of chloride, phosphate, nitrate and sulphate content by ionchromatography
NEN 6581-1985 Rain water - UV-photometric determination of nitrate content
NEN 6653-1992 Water - Photometric determination of the content of dissolved nitrite by continuous flow analysis
NEN 6545-1985 Water in boiler plants - lodometric determination of sulfite 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

VN-TCVN, Detect nitrite content

TCVN 7257-2003 Tobacco and tobacco products.Determination of total nitrate and nitrite contents
TCVN 7814-2007 Foodstuffs.Determination of nitrate and/or nitrite content.Part 2: HPLC/LC method for the determination of nitrade content of vegetables and vegetable products
TCVN 7767-2007 Fruits, vegetables and derived products.Determination of nitrite and nitrate content.Molecular absorption spectrometric method
TCVN 6268-1-2007 Milk and milk products.Determination of nitrate and nitrite contents.Part 1: Method using cadmium reduction and spectrometry
TCVN 6268-2-2007 Milk and milk products.Determination of nitrate and nitrite contents.Part 2: Method using segmented flow analysis (Routine method)
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 4250-1986 Natural gases.Method for the determination of hydrogen sulphite and mercaptane content
TCVN 6839-2001 Dried milk.Determination of nitrate content.Method by cadmium reduction and spectrometry(Screening method)
TCVN 7572-16-2006 Aggregates for concrete and mortar.Test methods.Part 16: Determination of sulfate and sulfite content

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

GB/T 15401-1994 Fruits,vegetables and derived products--Determination of nitrite and nitrate content
GB/T 4701.4-2008 Ferrotitanium. Determination of manganese content. Arsenite-salt and sodium-salt titrimetric method and periodate photometric method
GB/T 19339-2003 Rapid Determination of nitrate in vegetables
GB/T 20618-2006 Fireworks firecrackers. Determination of nitrates content in pyrotechnic composition

Korean Agency for Technology and Standards (KATS), Detect nitrite content

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 M ISO 10084:2013 Solid fertilizers-Determination of mineral-acid-soluble sulfate content-Gravimetric method
KS M ISO 10084:2006 Solid fertilizers-Determination of mineral-acid-soluble sulfate content-Gravimetric method
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 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 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 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 H ISO 15517-2017(2022) Tobacco－Determination of nitrate content－Continuous-flow analysis method
KS H ISO 8151:2006 Dried milk－Determination of nitrate content－Method by cadmium reduction and spectrometry(Screening 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 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 8151:2021 Dried milk — Determination of nitrate content — Method by cadmium reduction and spectrometry(Screening 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

KR-KS, Detect nitrite content

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 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 8151-2021 Dried milk — Determination of nitrate content — Method by cadmium reduction and spectrometry(Screening 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

International Organization for Standardization (ISO), Detect nitrite content

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 4099:1984 Cheese; Determination of nitrate and nitrite contents; Method by cadmium reduction and photometry
ISO 4099:1978 Cheese — Determination of nitrate and nitrite contents — Method by cadmium reduction and photometry
ISO 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 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 6635:1984 Fruits, vegetables and derived products; Determination of nitrite and nitrate content; Molecular absorption spectrometric method
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 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 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/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
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 316:1982 Manganese ores; Determination of cobalt content; Nitroso-R-salt photometric method
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 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 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 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 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 3328:1975 Nitric acid for industrial use; Determination of sulphate content; Method by reduction and titrimetry
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 8151:1987 Dried milk; Determination of nitrate content; Method by cadmium reduction and spectrometry (Screening method)
ISO 15517:2003/Amd 1:2012 Tobacco - Determination of nitrate content - Continuous-flow analysis method;- Amendment 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

未注明发布机构, Detect nitrite content

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 EN ISO 13395:1996(1998) Water quality — Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection
BS 4267-9:1987(1999) Ammonium nitrate — Part 9 : Method for determination of sulphate content

PL-PKN, Detect nitrite content

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 C04536-1986 Reagents Determination of smali quantities of nitrites

ES-UNE, Detect nitrite content

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

IN-BIS, Detect nitrite content

Group Standards of the People's Republic of China, Detect nitrite content

T/CPCIF 0168-2021 Rapid detection kits for nitrite，nitrate and ammonia nitrogen in water
T/SDAQI 061-2021 Determination of Phosphite in Water-soluble Fertilizer
T/CI 084-2023 Determination and classification of linoleic acid in safflower seed oil

Indonesia Standards, Detect nitrite content

SNI 19-1662-1989 Water and waste water, Test method for nitrite content
SNI 06-3971-1995 Test methods for sulphite content by spectrophotometer apparatus
SNI 06-6989.9-2004 Water and waste water - Part 9: Test methods of nitrites (NO2-N) by spectrophotometry
SNI 06-3415-1994 Water, Test methods for sulphite content by titrimetric methods
SNI 06-6857-2002 Test methods of nitrite content in water by colorimetry with Gries Romeyer reagent
SNI 06-6856-2002 Test methods of nitrate content in water by using of colorimetry with Nessler reagent
SNI 03-4151-1996 Test methods for phosphate content in light sediment by hydrogen chloride using spectrophotometer apparatus in ammonium molybdat manuver

CZ-CSN, Detect nitrite content

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

NO-SN, Detect nitrite content

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

ES-AENOR, Detect nitrite content

UNE 34-850-1986

Professional Standard - Light Industry, Detect nitrite content

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

TR-TSE, Detect nitrite content

TS 3137-1978 Meat And Meat Products - Determination Of Nitrite Content (Reference Method)
TS 2467-1976 NITRIC ACID FOR INDUSTRIAL USE DETERMINATION OF SULPHATE CONTENT METHOD BY REDUCTION AND TITRIMETRY
TS 3308-1979 METHODS FOR THE ANALYSIS OF WATER DETERMINATION OF THE NITRATE CONTENT
TS 3138-1978 MEAT AND MEAT PRODUCTS-DETERMINATION OF NITRATE CONTENT (REFERENCE METHOD)

National Information Standard Organization, Detect nitrite content

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

Professional Standard - Agriculture, Detect nitrite content

KJ 201704 Rapid detection of nitrite in food by naphthalene ethylenediamine hydrochloride method

CEN - European Committee for Standardization, Detect nitrite content

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)

PT-IPQ, Detect nitrite content

NP 1846-2002 Meat and meat products Determination of nitrite content Reference method
NP 1847-1987
NP 1846-1987
NP 1276-1976
NP 3367-1991 Dried milk Determination of nitrate content. Spectrometric method. Routine method

International Dairy Federation (IDF), Detect nitrite content

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

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

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, Detect nitrite content

GB/T 6730.38-2017 Iron ores—Determination of cobalt content—Nltroso-R salt spectrophotometric method

Japanese Industrial Standards Committee (JISC), Detect nitrite content

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

PH-BPS, Detect nitrite content

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

Hebei Provincial Standard of the People's Republic of China, Detect nitrite content

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

U.S. Military Regulations and Norms, Detect nitrite content

ARMY A-A-51461 C VALID NOTICE 1-2005 TEST KIT, TEST STRIPS AND COLOR CHART, ANTIFREEZE, FREEZE POINT AND NITRITE CONCENTRATION
ARMY A-A-51461 C-2000 TEST KIT, TEST STRIPS AND COLOR CHART, ANTIFREEZE, FREEZE POINT AND NITRITE CONCENTRATION

Professional Standard - Urban Construction, Detect nitrite content

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

National Metrological Verification Regulations of the People's Republic of China, Detect nitrite content

JJG(石油) 40-1995 Verification Regulation of the Pressure Calcareous Rock Meter

(U.S.) Ford Automotive Standards, Detect nitrite content

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

GOSTR, Detect nitrite content

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

Professional Standard - Aviation, Detect nitrite content

HB 5422.14-1989 Copper Alloy Chemical Analysis Method Nitroso-R Salt Absorption Spectrophotometry Determination of Cobalt Content
HB 5220.11-1995 Method for chemical analysis of superalloys Ammonium nitrate oxidation-ferrous ammonium sulfate volumetric method for determination of manganese content
HB 5220.26-1995 Determination of Cobalt Content by Nitroso R Salt Absorption Spectrophotometry Method for Chemical Analysis of Superalloys
HB 5220.11-2008 Methods for chemical analysis of superalloys. Part 11: Determination of manganese content by ammonium nitrate oxidation-ammonium ferrous sulfate volumetric method

Qinghai Provincial Standard of the People's Republic of China, Detect nitrite content

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

Professional Standard - Commodity Inspection, Detect nitrite content

SN/T 3320.2-2012 Ferromanganese.Part 2:Determination of manganese content.Ammonium ferrous sulfate titrimetric method after ammonium nitrate oxidation

Military Standard of the People's Republic of China-Commission of Science,Technology and Industry for National Defence, Detect nitrite content

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, Detect nitrite content

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

Zhejiang Provincial Standard of the People's Republic of China, Detect nitrite content

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

Shandong Provincial Standard of the People's Republic of China, Detect nitrite content

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

Professional Standard - Ocean, Detect nitrite content

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