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Detection of nitrite content in water

Detection of nitrite content in water, Total:360 items.

In the international standard classification, Detection of nitrite content in water involves: Water quality, Meat, meat products and other animal produce, Fruits. Vegetables, Milk and milk products, Prepackaged and prepared foods, General methods of tests and analysis for food products, Inorganic chemicals, Analytical chemistry, Ferroalloys, Fertilizers, Food products in general, Soil quality. Pedology, Products of non-ferrous metals, Products of the chemical industry, Metrology and measurement in general, FOOD TECHNOLOGY, Geology. Meteorology. Hydrology, Paint ingredients, Construction materials.

SE-SIS, Detection of nitrite content in water

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

ZA-SANS, Detection of nitrite content in water

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, Detection of nitrite content in water

JUS H.Z1.137-1985 Testing of industrial vvaters. Determination of nitrite-nitrate and the combined nitrite-nitrate nitrogen, Spectrophotometric method
JUS H.G8.425-1990 Reaaents. Sodiuin sulphite, anhvdrous and sodium sulphite heptahydrate. Determination of iron content. Colorimetric 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.G8.386-1989 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.G8.423-1990 Reagents. So?ium sulphite, anhydrous and sodium sulphite heptahvdrate. Determination of chlorides content. Turbi?imetric method
JUS H.G8.279-1987 Reagents. Iron(ll) M/phate heptahydrate. Determination of phosphate content. Spectrophotometric method
JUS H.G8.427-1990 Reaaents. Sodium sulphite, anhvdrous and sodium sulphite heptahv?rate. Determination of arsenic content. Silver diethyldithiocarbamate spectrophotometric method
JUS H.Z1.163-1984 Testing of industrial vvaters. Determination od sulphate content. Gravimetric method with barium chlo- ride
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.G8.401-1989 Reagents. Calcium nitrate tetrahvdrate. Detemination of substances not precipitated by aiumonium oxalate (as sulphate) . Gravimetric nethod
JUS H.C8.224-1989 Pigments. Basic zine ootassium chromate. Determination of water-soluble nitrate content (as NOJ. Colorimetric method

British Standards Institution (BSI), Detection of nitrite content in water

BS EN 12014-3:2005 Foodstuffs - Determination of nitrate and/or nitrite content - Spectrometric determination of nitrate and nitrite content of meat products after enzymatic reduction of nitrate to nitrite
BS EN 12014-4:2005 Foodstuffs - Determination of nitrate and/or nitrite content - Ion-exchange chromatographic (IC) method for the determination of nitrate and nitrite content of meat products
BS EN 12014-2:1997 Foodstuffs - Determination of nitrate and/or nitrite content - HPLC/IC method for the determination of nitrate content of vegetables and vegetable products
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 12014-5:1997 Foodstuffs - Determination of nitrate and/or nitrite content - Enzymatic determination of nitrate content of vegetable-containing food for babies and infants
BS EN 12014-1:1997(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 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 4267-7:1987 Ammonium nitrate - Methods for determination of nitrite content
BS 6248-11:1987 Caseins and caseinates. Method for determination of nitrate and nitrite contents
BS EN 12014-2:2017 Tracked Changes. Foodstuffs. Determination of nitrate and/or nitrite content. HPLC/IC method for the determination of nitrate content of vegetables and vegetable products
BS EN ISO 14673-1:2004 Milk and milk products - Determination of nitrate and nitrite contents - Method using cadmium reduction and spectrometry
23/30444433 DC BS ISO 7158. Meat and meat products. Determination of nitrite and nitrate content. Ion chromatography method
BS 770-9:1985 Methods for chemical analysis of cheese. Determination of nitrate and nitrite contents. Cadmium reduction and photometry method
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 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 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

European Committee for Standardization (CEN), Detection of nitrite content in water

DD ENV 12014-3-1998 Foodstuffs - Determination of Nitrate and/or Nitrite Content - Part 3: Spectrometric Determination of Nitrate and Nitrite Content of Meat Products After Enzymatic Reduction of Nitrate to Nitrite
EN 12014-3:2005 Foodstuffs - Determination of nitrate and/or nitrite content - Part 3: Spectrometric determination of nitrate and nitrite content of meat products after enzymatic reduction of nitrate to nitrite
EN 12014-4:2005 Foodstuffs - Determination of nitrate and/or nitrite content - Part 4: Ion-exchange chromatographic (IC) method for the determination of nitrate and nitrite content of meat products
EN 12014-2:1997 Foodstuffs - Determination of nitrate and/or nitrite content - Part 2: HPLC/IC method for the determination of nitrate content of vegetables and vegetable products
EN 12014-2:2017 Foodstuffs - Determination of nitrate and/or nitrite content - Part 2: HPLC/IC method for the determination of nitrate content of vegetables and vegetable products
EN 12014-5:1997 Foodstuffs - Determination of nitrate and/or nitrite content - Part 5: Enzymatic determination of nitrate content of vegetable-containing food for babies and infants
EN 12014-7:1998 Foodstuffs - Determination of nitrate and/or nitrite content - Part 7: Continuous flow method for the determination of nitrate content of vegetables and vegetable products after cadmium reduction
EN ISO 13395:1996 Water Quality - Determination of Nitrite Nitrogen and Nitrate Nitrogen and the Sum of Both by Flow Analysis (CFA and FIA) and Spectrometric Detection
EN 12014-1:1997/A1:1999 Foodstuffs - Determination of nitrate and/or nitrite content - Part 1: General considerations
EN 12014-1:1997 Foodstuffs - Determination of Nitrate and/or Nitrite Content - Part 1: General Considerations (Incorporates Amendment A1: 1999)
EN 1592-4:1997 Aluminium and aluminium alloys - HF seam welded tubes - Part 4: Tolerances on dimensions and form for square, rectangular and shaped tubes
EN 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 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)

RO-ASRO, Detection of nitrite content in water

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 12999-1991 SEA WATER Azotates content determination
STAS 8900/2-1971 SURFACE AND WASTE WATERS Nitrite determination
STAS 9065/9-1974 MliAT AND MEAT PRODUCTS Determination of nitrite content
STAS SR 3048-2-1996 Drinking water - Nitrites content determination - Molecular absorption spectrometric method
STAS 7661-1989 SURFACE WATERS AND WASTE WATERS Sulphites content determina tion
SR ISO 4176:1981 Fertilizers. Determination of nitrate nitrogen content. Nitrogen gravimetric method

HU-MSZT, Detection of nitrite content in water

Association Francaise de Normalisation, Detection of nitrite content in water

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 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 EN 12014-2:2017 Produits alimentaires - Détermination de la teneur en nitrates et/ou en nitrites - Partie 2 : méthode de détermination par CLHP/CI de la teneur en nitrates des légumes et des produits à base de légumes
NF V04-290:1985 Cheese. Determination of nitrate and nitrite contents. Method by cadmium reduction and photometry.
NF V04-351:1985 DRIED MILK. DETERMINATION OF NITRATE AND NITRITE CONTENTS. METHOD BY CADMIUM REDUCTION AND PHOTOMETRY.
NF EN 12014-7:1998 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 V04-291:1989 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/A1*NF EN 12014-1/A1:2001 Foodstuffs - Determination of nitrate and/or nitrite content - Part 1 : general considerations
NF V03-010-1*NF EN 12014-1:1997 Foodstuffs - Determination of nitrate and/or nitrite content - Part 1 : general considerations.
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 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 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 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 V04-172-2*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 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 14673-2:2004 Lait et produits laitiers - Détermination des teneurs en nitrates et en nitrites - Partie 2 : méthode d'analyse par flux continus segmentés (Méthode de routine)
NF T90-046:1996 Water quality - Determination of dissolved anions by liquid chromatography of ions - Part 2 : determination of bromide, chloride, nitrate, nitite, orthophosphate and sulfate in waste water.
NF U42-146*NF EN 15560:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free.
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 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 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 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

German Institute for Standardization, Detection of nitrite content in water

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 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 12014-4:2005-08 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 12014-5:1997-08 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 10476:2001 Determination of nitrite and nitrate content of milk products - Enzymatic method (color test)
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 12014-1:1999 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 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 12014-7:1998-08 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 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 ISO 14673-1:2004 Milk and milk products - Determination of nitrate and nitrite contents - Part 1: Method using cadmium reduction and spectrometry (ISO 14673-1:2004); German version EN ISO 14673-1:2004
DIN EN ISO 14673-1:2004-05 Milk and milk products - Determination of nitrate and nitrite contents - Part 1: Method using cadmium reduction and spectrometry (ISO 14673-1:2004); German version EN ISO 14673-1:2004
DIN ISO/TS 14256-1:2003 Soil quality - Determination of nitrate, nitrite and ammonium in field moist soils by extraction with potassium chloride solution - Part 1: Manual method (ISO/TS 14256-1:2003)
DIN EN ISO 14673-2:2004 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 12014-1:1999-10 Foodstuffs - Determination of nitrate and/or nitrite content - Part 1: General considerations (including Amendment A1:1999); German version EN 12014-1:1997 + A1:1999
DIN CEN/TS 15561:2007 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates; German version CEN/TS 15561:2007
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 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 CEN/TS 15560:2007 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free; German version CEN/TS 15560:2007
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 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 53770-9:1977 Testing of pigments; determination of matter soluble in hydrochloric acid, cobalt content
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 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 53770-13:1976 Testing of pigments; determination of matter soluble in hydrochloric acid, mercury content
DIN 53770-6:1977 Testing of pigments; determination of matter soluble in hydrochloric acid, cadmium content
DIN 53770-7:1977 Testing of pigments; determination of matter soluble in hydrochloric acid, chromium content
DIN 53770-4:1976 Testing of pigments; determination of matter soluble in hydrochloric acid, barium content
DIN 53770-11:1978 Testing of pigments; determination of matter soluble in hydrochloric acid, manganese content

AT-ON, Detection of nitrite content in water

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

Group Standards of the People's Republic of China, Detection of nitrite content in water

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

NL-NEN, Detection of nitrite content in water

NEN 6474-1981 Water ■ Photometric determination of nitrite content
NEN 6652-1992 Water- Photometric determination of the sum of the contents of dissolved nitrate and nitrite by continuous flow analysis
NEN 6440-1981 Water - Photometric determination of nitrate 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 6653-1992 Water - Photometric determination of the content of dissolved nitrite by continuous flow analysis
NEN 6581-1985 Rain water - UV-photometric determination of nitrate content
NEN 6588-1988 Rain water - Determination of chloride, phosphate, nitrate and sulphate content by ionchromatography
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
NEN 6532-1986 Water - Titrimetric determination of the content of hydrogen carbonate, carbonate and hydroxide in water with a pH higher than 8,35

Danish Standards Foundation, Detection of nitrite content in water

DS/EN 12014-3:2005 Foodstuffs – Determination of nitrate and/or nitrite content – Part 3: Spectrometric determination of nitrate and nitrite content of meat products after enzymatic reduction of nitrate to nitrite
DS 223:1991 Water analysis. Determination of the sum of nitrite- and nitrate-nitrogen
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/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 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 14673-2:2004 Milk and milk products - Determination of nitrate and nitrite contents - Part 2: Method using segmented flow analysis (Routine 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)

Lithuanian Standards Office , Detection of nitrite content in water

LST EN 12014-3-2005 Foodstuffs - Determination of nitrate and/or nitrite content - Part 3: Spectrometric determination of nitrate and nitrite content of meat products after enzymatic reduction of nitrate to nitrite
LST EN 12014-4-2005 Foodstuffs - Determination of nitrate and/or nitrite content - Part 4: Ion-exchange chromatographic (IC) method for the determination of nitrate and nitrite content of meat products
LST EN 12014-5-2001 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 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 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 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, Detection of nitrite content in water

UNE-EN 12014-3:2006 Foodstuffs - Determination of nitrate and/or nitrite content - Part 3: Spectrometric determination of nitrate and nitrite content of meat products after enzymatic reduction of nitrate to nitrite
UNE-EN 12014-5:1997 FOODSTUFFS. DETERMINATION OF NITRATE AND/OR NITRITE CONTENT. PART 5: ENZYMATIC DETERMINATION OF NITRATE CONTENT OF VEGETABLE-CONTAINING FOOD FOR BABIES AND INFANTS.
UNE-EN 12014-4:2006 Foodstuffs - Determination of nitrate and/or nitrite content - Part 4: Ion-exchange chromatographic (IC) method for the determination of nitrate and nitrite content of meat products
UNE-EN 12014-2:1998 Foodstuffs - Determination of nitrate and/or nitrite content - Part 2: HPLC/IC method for the determination of nitrate content of vegetables and vegetable products
UNE 34206:1981 SODIUM CHLORIDE. DETERMINATION OF NITRITE CONTENT. PERMANGANIMETRIC METHOD.
UNE-EN 12014-1/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 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 14673-2:2004 Milk and milk products - Determination of nitrate and nitrite contents - Part 2: Method using segmented flow analysis (Routine method) (ISO 14673-2:2004)
UNE-ISO/TS 14256-1:2007 EX Soil quality -- Determination of nitrate, nitrite and ammonium in field-moist soils by extraction with potassium chloride solution -- Part 1: Manual method (ISO/TS 14256-1:2003)

NO-SN, Detection of nitrite content in water

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

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

GB/T 15401-1994 Fruits,vegetables and derived products--Determination of nitrite and nitrate content
GB/T 13580.5-1992 Determination of fluoride,chloride,ntrite,nitrate,salfate in the wet precipitation.Ion chromotography
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
GB/T 13580.7-1992 Determination of nitrite in the wet precipitation.N-(1-naphthyl)-1,2-diaminoethane dihydrochloride spectrophotometry
GB/T 10514-1989 The determination of water content for nitrophosphate--Oven method
GB/T 10514-2012 Determination of free water for nitrophosphate.Oven method
GB 10514-1989 The determination of water content for nitrophosphate—Oven method
GB/T 10513-1989 The determination of water content for nitrophosphate--Karl Fischer method
GB/T 10513-2012 Determination of free water for nitrophosphate.Karl fischer method
GB/T 2947-2002 Determination of free water in urea and ammonium nitrate by karl fischer method
GB/T 23836-2009 Determination of molybdate in industrial circulating cooling water.Spectrometric method using thiocyanate

Taiwan Provincial Standard of the People's Republic of China, Detection of nitrite content in water

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

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 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 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 18826-1973 Drinking water. Methods for determination of nitrates content
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 30181.3-1994 Mineral fertilizers. Method for determination of mass fraction of nitrogen in fertilizers with nitrate nitrogen
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 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 29238-1991 Ammonium nitrate for industrial use. Determination of matter insoluble in water content. Gravimetric method

Indonesia Standards, Detection of nitrite content in water

SNI 19-1662-1989 Water and waste water, Test method for nitrite content
SNI 06-2484-2002 Test methods for nitrite content in water by colorymetry
SNI 06-6989.9-2004 Water and waste water - Part 9: Test methods of nitrites (NO2-N) by spectrophotometry
SNI 06-6857-2002 Test methods of nitrite content in water by colorimetry with Gries Romeyer reagent
SNI 06-3415-1994 Water, Test methods for sulphite content by titrimetric methods
SNI 06-6856-2002 Test methods of nitrate content in water by using of colorimetry with Nessler reagent
SNI 6989.74-2009
SNI 03-6823-2002 Test methods for containing portland cement mortar dry shrinkage
SNI 03-4151-1996 Test methods for phosphate content in light sediment by hydrogen chloride using spectrophotometer apparatus in ammonium molybdat manuver
SNI 06-4822-1998 Test methods for manganese content in water by spectrophotometer in persulphate manner

BE-NBN, Detection of nitrite content in water

NBN V 21-027-1982 Cheese - Determination of nitrate and nitrite contents - Reference method
NBN V 21-028-1982 Dried milk and whey powder - Determination of nitrate and nitrite contents -Reference method
NBN-EN 26777-1993 Water quality. Determination of nitrite. Molecular absorption spectrometric method (ISO 6777:1984)

PL-PKN, Detection of nitrite content in water

PN A75112-1992 Fruits, vegetables and derived products. Determination of nitrites and nitrates content
PN-EN 12014-2-2018-01 P Foodstuffs--Determination of nitrate and/or nitrite content--Part 2: HPLC/IC method for the determination of nitrate content of vegetables and vegetable products
PN C04642-05-1991 Water and waste water. Tests of pollutants in atmospheric precipitation. Determination of nitrite and the sum of nitrate and nitrite by colorimetric method
PN Z04009-04-1993 Air purity protection. Tests for content of nitrogen and its compounds. Determination of nitrates in dust in ambient air (imission) by spectrophotometric method with sodium salicilate

IN-BIS, Detection of nitrite content in water

VN-TCVN, Detection of nitrite content in water

TCVN 7814-2007 Foodstuffs.Determination of nitrate and/or nitrite content.Part 2: HPLC/LC method for the determination of nitrade content of vegetables and vegetable products
TCVN 7257-2003 Tobacco and tobacco products.Determination of total nitrate and nitrite contents
TCVN 7767-2007 Fruits, vegetables and derived products.Determination of nitrite and nitrate content.Molecular absorption spectrometric method
TCVN 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)

American Society for Testing and Materials (ASTM), Detection of nitrite content in water

ASTM D7781-23 Standard Test Method for Nitrite-Nitrate in Water by Nitrate Reductase

Korean Agency for Technology and Standards (KATS), Detection of nitrite content in water

KS H ISO 4099:2001 Cheese－Determination of nitrate and nitrite contents－Method by cadmium reduction and photometry
KS H ISO 4099:2006 Cheese－Determination of nitrate and nitrite contents－Method by cadmium reduction and photometry
KS H ISO 6736:2006 Dried milk－Determination of nitrate and nitrite contents－Method by cadmium reduction and photometry
KS H ISO 6736:2001 Dried milk－Determination of nitrate and nitrite contents－Method by cadmium reduction and photometry
KS I ISO 13395:2008 Water quality-Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection
KS H ISO 6740:2001 Dried whey－Determination of nitrate and nitrite contents－Method by cadmium reduction and spectrometry
KS H ISO 6740:2006 Dried whey－Determination of nitrate and nitrite contents－Method by cadmium reduction and spectrometry
KS H ISO 6739:2001 Whey cheese－Determination of nitrate and nitrite contents－Method by cadmium reduction and spectrometry
KS H ISO 6739:2006 Whey cheese－Determination of nitrate and nitrite contents－Method by cadmium reduction and spectrometry
KS H ISO 8195:2001 Caseins and caseinates－Determination of nitrate and nitrite contents－Method by cadmium reduction and spectrometry
KS H ISO 8195:2006 Caseins and caseinates－Determination of nitrate and nitrite contents－Method by cadmium reduction and spectrometry
KS I ISO 14256-1:2009 Soil quality-Determination of nitrate, nitrite and ammonium in field-moist soils by extraction with potassium chloride solution-Part 1:Manual method
KS 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 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 14256-2:2006 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 I ISO TS 14256-1:2020 Soil quality ― Determination of nitrate, nitrite and ammonium in field-moist soils by extraction with potassium chloride solution ―Part 1: Manual method
KS I ISO 14256-2-2016(2021) Soil quality－Determination of nitrate, nitrite and ammonium in field-moist soils by extraction with potassium chloride solution－Part 2：Automated method with segmented flow analysis

KR-KS, Detection of nitrite content in water

KS H ISO 6736-2001 Dried milk－Determination of nitrate and nitrite contents－Method by cadmium reduction and photometry
KS H ISO 4099-2001 Cheese－Determination of nitrate and nitrite contents－Method by cadmium reduction and photometry
KS H ISO 6740-2001 Dried whey－Determination of nitrate and nitrite contents－Method by cadmium reduction and spectrometry
KS H ISO 6739-2001 Whey cheese－Determination of nitrate and nitrite contents－Method by cadmium reduction and spectrometry
KS H ISO 8195-2001 Caseins and caseinates－Determination of nitrate and nitrite contents－Method by cadmium reduction and spectrometry
KS M ISO 10304-2-2003 Water quality－Determination of dissolved anions by liquid chromatography of ions－Part 2：Determination of bromide, chloride, nitrate,nitrite, orthophosphate and sulfate in waste water
KS I ISO TS 14256-1-2020 Soil quality ― Determination of nitrate, nitrite and ammonium in field-moist soils by extraction with potassium chloride solution ―Part 1: Manual method
KS 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), Detection of nitrite content in water

ISO 6736:1982 Dried milk; Determination of nitrate and nitrite contents; Method by cadmium reduction and photometry
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 6740:1985 Dried whey; Determination of nitrate and nitrite contents; Method by cadmium reduction and spectrometry
ISO 6635:1984 Fruits, vegetables and derived products; Determination of nitrite and nitrate content; Molecular absorption spectrometric method
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 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 2918:1975 Meat and meat products; Determination of nitrite content (Reference 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/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 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 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
BS EN ISO 14673-3:2004 Milk and milk products - Determination of nitrate and nitrite contents - Method using cadmium reduction and flow injection analysis with in-line dialysis (routine method)
ISO 14673-2:2001/Cor 1:2002 Milk and milk products — Determination of nitrate and nitrite contents — Part 2: Method using segmented flow analysis (Routine method) — Technical Corrigendum 1
ISO 14256-2:2005 Soil quality - Determination of nitrate, nitrite and ammonium in field-moist soils by extraction with potassium chloride solution - Part 2: Automated method with segmented flow analysis
ISO 14673-3:2004 Milk and milk products - Determination of nitrate and nitrite contents - Part 3: Method using cadmium reduction and flow injection analysis with in-line dialysis (Routine method)
ISO 14673-3:2004|IDF 189-3:2004 Determination of nitrate and nitrite content in milk and dairy products Part 3: Line dialysis cadmium reduction and flow injection analysis method (conventional method)
ISO 14673-3:2001 Milk and milk products - Determination of nitrate and nitrite contents - Part 3: Method using cadmium and flow injection analysis with in-line dialysis (Routine method)
ISO 14673-3:2004 | IDF 189-3:2004 Milk and milk products — Determination of nitrate and nitrite contents — Part 3: Method using cadmium reduction and flow injection analysis with in-line dialysis (Routine method)
ISO 14673-3:2001 | IDF 189-3: 2001 Milk and milk products — Determination of nitrate and nitrite contents — Part 3: Method using cadmium reduction and flow injection analysis with in-line dialysis (Routine method)
ISO 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

未注明发布机构, Detection of nitrite content in water

BS 4267-7:1987(1999) Ammonium nitrate — Part 7 : Methods for determination of nitrite content
DIN EN 12014-1:1997 Foodstuffs – Determination of nitrate and/or nitrite content DIN Part 1: General considerations
BS 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 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

中华人民共和国环境保护部, Detection of nitrite content in water

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

Professional Standard - Agriculture, Detection of nitrite content in water

KJ 201704 Rapid detection of nitrite in food by naphthalene ethylenediamine hydrochloride 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
GB 10513-1989 Determination of free water content in nitrophosphate fertilizer Karl Fischer method
水产品质量安全检验手册 7.5.1.2-2005 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

ES-UNE, Detection of nitrite content in water

UNE-EN 12014-2:2018 Foodstuffs - Determination of nitrate and/or nitrite content - Part 2: HPLC/IC method for the determination of nitrate content of vegetables and vegetable products
UNE 103202:2019 Qualitative determination of soluble sulphates (in water) content in a soil.

FI-SFS, Detection of nitrite content in water

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

CZ-CSN, Detection of nitrite content in water

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

Yunnan Provincial Standard of the People's Republic of China, Detection of nitrite content in water

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

Professional Standard - Petrochemical Industry, Detection of nitrite content in water

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

Japanese Industrial Standards Committee (JISC), Detection of nitrite content in water

JIS K 0400-35-40:2000 Water quality -- Determination of dissolved anions by liquid chromatography of ions -- Part 2: Determination of bromide, chloride, nitrate, nitrite, orthophosphate and sulfate in waste water
JIS K 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

TR-TSE, Detection of nitrite content in water

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

National Information Standard Organization, Detection of nitrite content in water

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

CEN - European Committee for Standardization, Detection of nitrite content in water

EN ISO 14673-1:2001 Milk and Milk Products - Determination of Nitrate and Nitrite Contents - Part 1: Method Using Cadmium Reduction and Spectrometry
EN ISO 14673-2:2001 Milk and Milk Products - Determination of Nitrate and Nitrite Contents - Part 2: Method Using Segmented Flow Analysis (Routine Method)
EN ISO 14673-3:2001 Milk and Milk Products - Determination of Nitrate and Nitrite Contents - Part 3: Method Using Cadmium Reduction and Flow Injection Analysis with In-Line Dialysis (Routine Method)

PT-IPQ, Detection of nitrite content in water

NP 1846-2002 Meat and meat products Determination of nitrite content Reference method
NP 1847-1987
NP 1846-1987
NP 1276-1976

International Dairy Federation (IDF), Detection of nitrite content in water

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 - Chemical Industry, Detection of nitrite content in water

HG/T 3526-2003 Industrial circulating cooling water-Determination of nitrite-Molecular absorption spectrometric method
HG/T 3516-2011 Industrial circulating cooling water.Determination of nitrite.Molecular absorption spectrometric method
HG/T 3540-2011 Industrial circulating cooling water.Determination of total phosphate

Shandong Provincial Standard of the People's Republic of China, Detection of nitrite content in water

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

Professional Standard - Urban Construction, Detection of nitrite content in water

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

Hebei Provincial Standard of the People's Republic of China, Detection of nitrite content in water

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

Professional Standard - Ocean, Detection of nitrite content in water

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

(U.S.) Ford Automotive Standards, Detection of nitrite content in water

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

GOSTR, Detection of nitrite content in water

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

工业和信息化部, Detection of nitrite content in water

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

Qinghai Provincial Standard of the People's Republic of China, Detection of nitrite content in water

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

Zhejiang Provincial Standard of the People's Republic of China, Detection of nitrite content in water

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

国家质量监督检验检疫总局, Detection of nitrite content in water

SN/T 4590-2016 Determination of pyrophosphate, tripolyphosphate and trimetaphosphate content in exported aquatic products by ion chromatography