Determination of nitrite in seawater

Determination of nitrite in seawater, Total:303 items.

The international standard classification for "Determination of nitrite in seawater" includes: Milk and processed milk products , food products in general , Fruits. Vegetables , Water quality , Ferroalloys , Chemical analysis , Animal feeding stuffs , General methods of tests and analysis for food products , Sugar. Sugar products. Starch .

The Chinese standard classification for "Determination of nitrite in seawater" includes: Children foods , Chemical reagent in general , Food sanitation , Basic standards and general methods , Boiler and its auxiliary equipment , Analysis methods for toxic substances in water , Steel and iron alloy analysis method , Basic standards and general methods for water treatment agent , Livestock and poultry feed and additive , Sugar refining and sugar products in general , Basic standards and general methods .

Taiwan Provincial Standard of the People's Republic of China

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

General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China

GB/T 6912.1-2006 Methods for analysis of water for boiler and for cooling determination of nitrates and nitrites - Part 1: Ultraviolet spectrophotometry for nitrates
GB/T 5009.33-2008 Determination of nitrite and nitrate in foods
GB/T 5413.32-1997 Milk powder-Determination of nitrate and nitrite contents
GB 6912.3-1986 Determination of nitrate and nitrite a-naphthylamine hydrochloride spectrophotometric method
GB/T 6912-2008 Analysis of water used in boiler and cooling system - Determination of nitrite
GB/T 6912.3-1986 Methods for analysis of water for boiler and for cooling; The determination of nitrates and nitrites; Alpha-naphthylamine hydrochloride photometric method
GB/T 7493-1987 quality - Determination of nitrogen (nitrite) - Spectrophotometric method
GB/T 6912.1-1986 Methods for analysis of water for boiler and for cooling; The determination of nitrates and nitrites; Ultraviolet spectrophotometry for nitrates
GB/T 15401-1994 Fruits, vegetables and derived products--Determination of nitrite and nitrate content
GB/T 6912.2-1986 Methods for analysis of water for boiler and for cooling--The determination of nitrates and nitrites--Ultraviolet spectrophotometry for nitrites
GB/T 13580.5-1992 Determination of fluoride, chloride, ntrite, nitrate, salfate in the wet precipitation - Ion chromotography
GB/T 13085-1991 Method for determination of nitrite in feeds
GB/T 13085-2005 Determination of nitrite in feed--Method using colorimetric analysis
GB/T 5009.33-2003 Determination of nitrite and nitrate in foods
GB 6912.2-1986 Determination of nitrate and nitrite - Nitrite UV photometric method
GB/T 4701.4-2008 Ferrotitanium - Determinatino of manganese content - Arsenite-salt and sodium-salt titrimetric method and periodate photometric method
GB 6912.1-1986 Determination of nitrate and nitrite - Nitrate UV photometric method

中华人民共和国环境保护部

GB 13580.5-1992 Determination of fluoride,chloride,ntrite nitrate,salfate in the wet precipitation-Ion chromotography
GB 7493-1987 Water quality-Determination of nitrogen (nitrite)-Spectrophotometric method

Professional Standard - Agriculture

NY/T 1375-2007 Determination of Nitrite and Nitrate in Plant Products Ion Chromatography Method
GB 13085-1991 Method for determination of nitrite in feeds
GB/T 5009.33-1996 Method for determination of nitrite and nitrate in foods

Group Standards of the People's Republic of China

T/SATA 053-2023 Determination of bromate, nitrite, chlorate, nitrate and thiocyanate in infant formula - Ion Chromatography
T/NAIA 0248-2023 Determination of nitrite nitrogen in water quality by continuous flow analysis method
T/CHES 14-2017 Water Quality Determination of Nitrite Nitrogen Gas Phase Molecular Absorption Spectrometry
T/CPCIF 0168-2021 Rapid detection kits for nitrite，nitrate and ammonia nitrogen in water
T/LNIQA 019-2024 Determination of fluoride, chloride, nitrate, nitrite, sulfate, bromate and phosphate content in drinking natural mineral water - ion chromatography
T/XMTIC 0001-2024 Rapid method for the determination of nitrite in water

Professional Standard - Light Industry

QB/T 5013-2016 Determination of nitrite in sugars
QB/T 4446-2012 General test method in salt industry Determination of nitrite

Yunnan Provincial Standard of the People's Republic of China

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

Professional Standard - Commodity Inspection

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

National Health Commission of the People's Republic of China

GB 5009.33-2016 National food safety standard-Determination of nitrite and nitrate in foods
GB 5009.33-2010 Determination of nitrite and nitrate in foods

Professional Standard - Urban Construction

CJ/T 76-1999 Municipal sewage.Determination of nitrogen(nitrite).Sepectrophotometric method

国家市场监督管理总局、中国国家标准化管理委员会

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

Professional Standard - Environmental Protection

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

Professional Standard - Ocean

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

Professional Standard - Chemical Industry

HG/T 3526-2003 Industrial circulating cooling water-Determination of nitrite-Molecular absorption spectrometric method

RO-ASRO

STAS 12754-1989 SEA WATER Nitrites content determination
STAS 12999-1991 SEA WATER Azotates content determination
STAS 8900/2-1971 SURFACE AND WASTE WATERS Nitrite 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 SR ISO 6777:1996 Water quality - Determination of nitrite - Molecular absorption spectrometric method
STAS 3048/1-1977 DRINKING WATE& Determination of nitrates
STAS 8620-1970 SULPHITEPULP FOR NITRATING

Danish Standards Foundation

DS 223:1991 Water analysis. Determination of the sum of nitrite- and nitrate-nitrogen
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 26777:2003 Water quality - Determination of nitrite - Molecular absorption spectrometric method
DS 230:1988 Water quality. Nitrate- + nitrite-nitrogen. Reduction by Devardas alloy
DS/EN 12014-1:1998 Foodstuffs - Determination of nitrate and/or nitrite content - Part 1: General considerations
DS/EN 12014-1/A1:1999 Foodstuffs - Determination of nitrate and/or nitrite content - Part 1: General considerations
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 10304-1:2009 Water quality - Determination of dissolved anions by liquid chromatography of ions - Part 1: Determination of bromide, chloride, fluoride, nitrate, nitrite, phosphate and sulfate
DS/EN 12014-2:1998 Foodstuffs - Determination of nitrate and/or nitrite content - Part 2:HPLC/IC method for the determination of nitrate content of vegetables and vegetable products
DS/EN 12014-5:1998 Foodstuffs - Determination of nitrate and/or nitrite content - Part 5: Enzymatic determination of nitrate content of vegetable-containing food for babies and infants

YU-JUS

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

Standard Association of Australia （SAA）

AS 2029:1977 Method for the determination of nitrate and nitrite content in waters

European Committee for Standardization (CEN)

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 26777:1993 Water Quality - Determination of Nitrite - Molecular Absorption Spectrometric Method (ISO 6777: 1984)
EN 12014-4:2005 Foodstuffs - Determination of nitrate and/or nitrite content - Part 4: Ion-exchange chromatographic (IC) method for the determination of nitrate and nitrite content of meat products
EN 1592-4:1997 Aluminium and aluminium alloys - HF seam welded tubes - Part 4: Tolerances on dimensions and form for square, rectangular and shaped tubes
EN 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
prEN 26777-1992 Water quality; determination of nitrate; molecular absorption spectrometric method (ISO 6777:1984)
EN 12014-2:2017 Foodstuffs - Determination of nitrate and/or nitrite content - Part 2: HPLC/IC method for the determination of nitrate content of vegetables and vegetable products
EN ISO 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 12014-2:1997 Foodstuffs - Determination of nitrate and/or nitrite content - Part 2: HPLC/IC method for the determination of nitrate content of vegetables and vegetable products

Indonesia Standards

SNI 06-2484-2002 Test methods for nitrite content in water by colorymetry
SNI 19-6964.1-2003 Seawater quality - Part 1: Test methods of nitrites (NO2-N) with sulfanilamides by spectrofotometry
SNI 19-1662-1989 Water and waste water, Test method for nitrite content
SNI 06-6989.9-2004 Water and waste water - Part 9: Test methods of nitrites (NO2-N) by spectrophotometry

South African Bureau of Standard

SANS 5210:2010 Water - Nitrate and nitrite content
SANS 5210:2006 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

SCC

NS 4745:1991 Water analysis - Determination of the sum of nitrite nitrogen and nitrate nitrogen
DANSK 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
NS-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
BS DD ENV 12014-3:1998 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
NS 4865:1983 Air quality — Determination of the sum of nitrite- and nitrate-nitrogen in precipitation
BS 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
DANSK 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
NS-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
AENOR UNE 34113:1981 Fruits, vegetables and derived products. Determination of nitrite and nitrate content. Photometric method.
DANSK DS/EN 26777:2003 Water quality - Determination of nitrite - Molecular absorption spectrometric method
BS 2690-7:1968 Methods of testing water used in industry-Nitrite, nitrate and ammonia (free, saline and albuminoid)
DANSK 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
06/30126102 DC ISO 10304. Water quality. Determination of dissolved bromide, chloride, fluoride, nitrate, nitrite, phosphate and sulfate. Method by liquid chromatography of ions
BS EN ISO 14673-1:2001 Milk and milk products. Determination of nitrate and nitrite contents-Method using cadmium reduction and spectrometry
NS-EN 26777:1993 Water quality — Determination of nitrite — Molecular absorption spectrometric method (ISO 6777:1984)
NS-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
DANSK DS/EN ISO 10304-1:2009 Water quality - Determination of dissolved anions by liquid chromatography of ions - Part 1: Determination of bromide, chloride, fluoride, nitrate, nitrite, phosphate and sulfate
DANSK DS/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
NS-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
NS-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
DANSK DS/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
DANSK DS/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
NS-EN 12014-1:1997 Foodstuffs — Determination of nitrate and/or nitrite content — Part 1: General considerations
DIN EN 12014-2 E:2016 Draft Document - 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 and English version prEN 12014-2:2016
DANSK DS/EN 12014-1:1997 Foodstuffs - Determination of nitrate and/or nitrite content - Part 1: General considerations
DIN EN ISO 15923-1 E:2024 Draft Document - 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); German and English ve.
NS-EN ISO 10304-2:1996 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 10304-2:1995)

British Standards Institution (BSI)

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 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 4267-7:1987 Ammonium nitrate - Methods for determination of nitrite content
BS EN ISO 15923-1:2024 Water quality. Determination of selected parameters by discrete analysis systems - Ammonium, nitrate, nitrite, chloride, orthophosphate, sulfate and silicate with photometric detection
BS 4267-7:1987(1999) Ammonium nitrate — Part 7 : 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 EN ISO 10304-2:1997(1998)*BS 6068-2.53:1997 Water quality — Determination of dissolved anions by liquid chromatography of ions — Part 2 : Determination of bromide, chloride, nitrate, nitrite, orthophosphate and sulfate in waste water
BS 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 ISO 7158:2024 Meat and meat products. Determination of nitrite and nitrate content. Ion chromatography method
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 14673-1:2004 Milk and milk products - Determination of nitrate and nitrite contents - Method using cadmium reduction and spectrometry
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

SE-SIS

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

HU-MSZT

MSZ 448/12.lap-1964 Drinking water nitrate and nitrite ions definition
MNOSZ 9475-1952 Wine testing. Nitrate and nitrite content indicators and detection
MSZ 260/11-1971 Test for determination of nitrate wastewater

Lithuanian Standards Office

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 12014-1+A1-2001 Foodstuffs - Determination of nitrate and/or nitrite content - Part 1: General considerations
LST EN 26777-1999 Water quality - Determination of nitrite - Molecular absorption spectrometric method (ISO 6777:1984)
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 12014-2-2001 Foodstuffs - Determination of nitrate and/or nitrite content - Part 2: HPLC/IC method for the determination of nitrate content of vegetables and vegetable products

Association Francaise de Normalisation

NF V05-121:1979 Fruits, légumes et produits dérivés - Détermination des teneurs en nitrites et en nitrates
NF EN 12014-3:2005 Food products - Determination of the nitrate and/or nitrite content - Part 3: spectrometric determination of the nitrate and nitrite content of meat products after enzymatic reduction of nitrates to nitrites
NF V03-010-3*NF EN 12014-3:2005 Foodstuffs - Determination of nitrate and/or nitrite content - Part 3 : spectrometric determination of nitrate and nitrite content of meat products after enzymatic reduction of nitrate to nitrite
NF V03-010-3:1998 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.
NF EN 12014-4:2005 Food products - Determination of the nitrate and/or nitrite content - Part 4: determination by ion chromatography (IC) of the nitrate and nitrite content in meat products
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 T90-013*NF EN 26777:1993 Water quality - Determination of nitrite - Molecular absorption spectrometric method.
NF V03-010-4:1998 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 V04-291:1989 WHEY CHEESE. DETERMINATION OF NITRATE AND NITRITE CONTENTS. METHOD BY CADMIUM REDUCTION AND SPECTROMETRY.
NF V04-292:1986 Dried whey. Determination of nitrate and nitrite contents. Method by cadmium reduction and spectrometry.
NF V04-351:1985 DRIED MILK. DETERMINATION OF NITRATE AND NITRITE CONTENTS. METHOD BY CADMIUM REDUCTION AND PHOTOMETRY.
NF V04-290:1985 Cheese. Determination of nitrate and nitrite contents. Method by cadmium reduction and photometry.
NF V04-390:1988 Caseins and caseinates. Determination of nitrate and nitrite contents. Method by cadmium reduction and spectrometry.
NF T90-042-1*NF EN ISO 10304-1:2009 Water quality - Determination of dissolved anions by liquid chromatography of ions - Part 1 : determination of bromide, chloride, fluoride, nitrate, nitrite, phosphate and sulfate.
NF V03-010-1*NF EN 12014-1:1997 Foodstuffs - Determination of nitrate and/or nitrite content - Part 1 : general considerations.
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 by photometric detection
NF V03-010-2*NF EN 12014-2:2017 Foodstuffs - Determination of nitrate and/or nitrite content - Part 2 : HPLC/IC method for the determination of nitrate content of vegetables and vegetable products
NF V03-010-2:1997 Foodstuffs. Determination of nitrate and/or nitrite content. Part 2 : HPLC/IC method for the determination of nitrate content of vegetables and vegetable products.
NF T90-046:1996 Water quality - Determination of dissolved anions by liquid chromatography of ions - Part 2 : determination of bromide, chloride, nitrate, nitite, orthophosphate and sulfate in waste water.
NF EN ISO 10304-1:2009 Water quality - Determination of dissolved anions by liquid ion chromatography - Part 1: determination of bromide, chloride, fluoride, nitrate, nitrite, phosphate and sulfate
NF EN 12014-5:1997 Food products - Determination of the nitrate and/or nitrite content - Part 5: enzymatic determination of the nitrate content of vegetable-based foods for babies and small children
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 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 EN 12014-2:2017 Food products - Determination of the nitrate and/or nitrite content - Part 2: method for determining the nitrate content of vegetables and vegetable products by HPLC/IC
NF EN 12014-1/A1:2001 Food products - Determination of nitrate and/or nitrite content - Part 1: general considerations
NF EN 12014-1:1997 Food products - Determination of nitrate and/or nitrite content - Part 1: general considerations

NO-SN

NS 4745-1991 Water analysis - Determination of the sum of nitrite nitrogen and nitrate nitrogen
NS 4865-1983 Air quality - Determination of the sum of nitrite- and nitrate-nitrogen in precipitation

Spanish Association for Standardization (UNE)

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 34113:1981 FRUIT, VEGETABLE PRODUCTS AND DERIVED PRODUCTS. DETERMINATION OF NITRITES AND NITRITES CONTENT. PHOTOMETRIC METHOD.
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 26777:1994 WATER QUALITY. DETERMINATION OF NITRITE. MOLECULAR ABSORPTION SPECTROMETRIC METHOD. (ISO 6777:1984).
UNE-EN 12014-2:2018 Foodstuffs - Determination of nitrate and/or nitrite content - Part 2: HPLC/IC method for the determination of nitrate content of vegetables and vegetable products
UNE-EN 12014-2:1998 Foodstuffs - Determination of nitrate and/or nitrite content - Part 2: HPLC/IC method for the determination of nitrate content of vegetables and vegetable products
UNE-EN 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 12014-1:1997 FOODSTUFFS. DETERMINATION OF NITRATE AND/OR NITRITE CONTENT. PART 1: GENERAL CONSIDERATIONS.
UNE-EN 12014-1/A1:2001 FOODSTUFFS. DETERMINATION OF NITRATE AND/OR NITRITE CONTENT. PART 1: GENERAL CONSIDERATIONS.

German Institute for Standardization

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 26777:1993 Water quality; determination of nitrite; molecular absorption spectrometric method (ISO 6777:1984); german version EN 26777:1993
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 ISO 10304-1:1995 Water quality - Determination of dissolved anions by liquid chromatography of ions - Part 1: Determination of bromide, chloride, fluoride, nitrate, nitrite, phosphate and sulfate
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 10476:2001 Determination of nitrite and nitrate content of milk products - Enzymatic method (color test)
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 26777:1993-04 Water quality; determination of nitrite; molecular absorption spectrometric method (ISO 6777:1984); german version EN 26777:1993
DIN EN ISO 10304-1:2009-07 Water quality - Determination of dissolved anions by liquid chromatography of ions - Part 1: Determination of bromide, chloride, fluoride, nitrate, nitrite, phosphate and sulfate (ISO 10304-1:2007); German version EN ISO 10304-1:2009
DIN EN 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 ISO 15923-1 E:2012-01 Water quality - Determination of selected parameters by discrete analysis systems - Part 1: Ammonium, nitrate, nitrite, chloride, orthophosphate, sulfate and silicate with photometric detection
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 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 12014-5:1997-08 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 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

CZ-CSN

CSN 68 4132-1985 Determination of small mouts of nitrites
CSN 65 4102-1984 Tempenng hitrate and nitrite salts
CSN 83 0520 Cast.23-1976 Physico-chemical analysis of drinking water. I )etermination of nitrites
CSN 83 0540 Cast.11-1984 Chemical and physical analysis of waste water Determination of nitrites
CSN 57 0158-1986 Testing methods for meat products and canned sterilized food. Determination of nitrite and nitrate content

American Society for Testing and Materials (ASTM)

ASTM D7781-23 Standard Test Method for Nitrite-Nitrate in Water by Nitrate Reductase
ASTM D3867-09 Standard Test Methods for Nitrite-Nitrate in Water
ASTM D3867-04 Standard Test Methods for Nitrite-Nitrate in Water
ASTM D3867-99 Standard Test Methods for Nitrite-Nitrate in Water
ASTM D3867-16 Standard Test Methods for Nitrite-Nitrate in Water
ASTM D3867-16(2021)e1 Standard Test Methods for Nitrite-Nitrate in Water
ASTM D7781-14 Standard Test Method for Nitrite-Nitrate in Water by Nitrate Reductase

NL-NEN

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

RU-GOST R

GOST EN 12014-3-2015 Foodstuffs. Determination of nitrate and/or nitrite content. Part 3. Spectrophotometric determination of nitrate and nitrite content of meat products after enzymatic reduction of nitrate to nitrite
GOST R 51460-1999 Cheese. Method for determination of nitrate and nitrite contents
GOST EN 12014-4-2015 Foodstuffs. Determination of nitrate and/or nitrite content. Part 4. Determination of nitrate and nitrite content in meat products by ion-exchange chromatographic method
GOST 8558.1-1978 Meat products. Methods for determination of nitrit
GOST 10671.3-1974 Reagents. Methods for determination of nitrites
GOST 32257-2013 Milk and milk products. Method for determination of nitrate and nitrite contents
GOST 8558.1-2015 Meat products. Methods for determination of nitrite
GOST 13496.19-2015 Feeds, mixed feeds and raw material. Methods for determination of nitrate and nitrite
GOST R 51454-1999 Caseins and caseinates. Method of determination of nitrate and nitrite contents
GOST 10671.3-2016 Reagents. Methods for determination of nitrites impurity
GOST 29299-1992 Meat and meat products. Determination of nitrite content
GOST R 50465-1993 Fodder, mixed fodder and animal feed raw stuff. Methods of nitrate and nitrite determination

PL-PKN

PN A75112-1992 Fruits, vegetables and derived products. Determination of nitrites and nitrates content
PN A82114-1974 Mea? and meat produc?s Determinalion of nitrites and ni?ra?es
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 C04536-1986 Reagents Determination of smali quantities of nitrites
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 C04576 ArkusZ06-1973 Water and waste waiter Tests for nitrogen Deterrninatian of nitrite by colo- rime?ric method with sulphanilic aicid and 1-naphty lamin?

BE-NBN

NBN V 21-027-1982 Cheese - Determination of nitrate and nitrite contents - Reference method
NBN T 91-257-1977 Water analysis methods - Determination of the nitrite nitrogen - Photoraetric method
NBN V 21-028-1982 Dried milk and whey powder - Determination of nitrate and nitrite contents -Reference method

International Organization for Standardization (ISO)

ISO 10304-2:1995 Water quality - Determination of dissolved anions by liquid chromatography of ions - Part 2: Determination of bromide, chloride, nitrate, nitrite, orthophosphate and sulfate in waste water
ISO 6777:1984 Water quality; Determination of nitrite; Molecular absorption spectrometric method
ISO 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 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/DIS 7158 Meat and meat products — Determination of nitrite and nitrate content — Ion chromatography method
ISO 7158:2024 Meat and meat products — Determination of nitrite and nitrate content — Ion chromatography method
ISO 8195:1987 Caseins and caseinates; Determination of nitrate and nitrite contents; Method by cadmium reduction and spectrometry
ISO 6739:1988 Whey cheese; determination of nitrate and nitrite contents; method by cadmium reduction and spectrometry
ISO/FDIS 7158:2023 Meat and meat products — Determination of nitrite and nitrate content — Ion chromatography method
ISO 4099:1978 Cheese — Determination of nitrate and nitrite contents — Method by cadmium reduction and photometry
ISO 10304-1:1992 Water quality; determination of dissolved fluoride, chloride, nitrite, orthophosphate, bromide, nitrate and sulfate ions, using liquid chromatography of ions; part 1: method for water with low contamination
ISO 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 6739:1982 Whey cheese — Determination of nitrate and nitrite contents — Method by cadmium reduction and photometry
ISO 10304-1:2007 Water quality - Determination of dissolved anions by liquid chromatography of ions - Part 1: Determination of bromide, chloride, fluoride, nitrate, nitrite, phosphate and sulfate

GSO

GSO ISO 6777:2015 Water quality -- Determination of nitrite -- Molecular absorption spectrometric method
BH GSO 2643:2022 Cosmetics - Identification and determination of nitrite
GSO ISO 10304-1:2014 Water quality -- Determination of dissolved anions by liquid chromatography of ions -- Part 1: Determination of bromide, chloride, fluoride, nitrate, nitrite, phosphate and sulfate
GSO ISO 6635:2015 Fruits, vegetables and derived products -- Determination of nitrite and nitrate content -- Molecular absorption spectrometric method
GSO 2643:2021 Cosmetics - Identification and determination of nitrite
GSO ISO 15923-1:2015 Water quality -- Determination of selected parameters by discrete analysis systems -- Part 1: Ammonium, nitrate, nitrite, chloride, orthophosphate, sulfate and silicate with photometric detection
OS GSO ISO 13395:2013 Water quality -- Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection
BH GSO ISO 15923-1:2017 Water quality -- Determination of selected parameters by discrete analysis systems -- Part 1: Ammonium, nitrate, nitrite, chloride, orthophosphate, sulfate and silicate with photometric detection
OS GSO ISO 10304-1:2014 Water quality -- Determination of dissolved anions by liquid chromatography of ions -- Part 1: Determination of bromide, chloride, fluoride, nitrate, nitrite, phosphate and sulfate
GSO ISO 13395:2013 Water quality -- Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection
BH GSO ISO 10304-1:2016 Water quality -- Determination of dissolved anions by liquid chromatography of ions -- Part 1: Determination of bromide, chloride, fluoride, nitrate, nitrite, phosphate and sulfate

VN-TCVN

TCVN 6180-1996 Water quality.Determination of nitrate.Spectrometric method using sulfosalicylic acid sunfosalixilic
TCVN 2323-1978 Reagents.Methods for the determination of nitrites
TCVN 6178-1996 Water quality.Determination of nitrite.Molecular absorption spectrometric method
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 6494-1-2011 Water quality.Determination of dissolved anions by liquid chromatography of ions.Part 1: Determination of bromide, chloride, fluoride, nitrate, nitrite, phosphate and sulfate
TCVN 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

Japanese Industrial Standards Committee (JISC)

JIS K 0400-35-40:2000 Water quality -- Determination of dissolved anions by liquid chromatography of ions -- Part 2: Determination of bromide, chloride, nitrate, nitrite, orthophosphate and sulfate in waste water
JIS K 0400-43-30:2000 Water quality -- Determination of nitrite -- Molecular absorption spectrometric method
JIS K 0400-43-60:2000 Water quality -- Determination of nitrate -- Part 3: Spectrometric method using sulfosalicylic acid

Korean Agency for Technology and Standards (KATS)

KS I ISO 6777:2007 Water quality－Determination of nitrite－Molecular absorption spectrometric method
KS H ISO 4099:2006 Cheese－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 6736:2001 Dried milk－Determination of nitrate and nitrite contents－Method by cadmium reduction and photometry
KS I ISO 6777-2007(2017) Water quality－Determination of nitrite－Molecular absorption spectrometric method
KS H ISO 6736:2006 Dried milk－Determination of nitrate and nitrite contents－Method by cadmium reduction and photometry
KS H ISO 6740-2006 Dried whey－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 I 3220-2017 Water quality－Determination of nitrate
KS I ISO 13395-2008(2018) Water quality－Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection
KS H ISO 8195-2006 Caseins and caseinates－Determination of nitrate and nitrite contents－Method by cadmium reduction and spectrometry
KS I 3220-2007(2017) Water quality－Determination of nitrate
KS M ISO 10304-2-2008 Water quality－Determination of dissolved anions by liquid chromatography of ions－Part 2：Determination of bromide, chloride, nitrate,nitrite, orthophosphate and sulfate in waste water
KS H ISO 6740:2006 Dried whey－Determination of nitrate and nitrite contents－Method by cadmium reduction and spectrometry
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 M 9108-1996 Water quality-Determination of dissolved fluoride,chloride,nitrite,orthophosphate,bromide,nitrate and sulfate ions,using liquid chromatography of ions(Method for water with low contamination)
KS I ISO 13395:2008 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 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 I 3220-2007 Water quality－Determination of nitrate
KS H ISO 8195:2006 Caseins and caseinates－Determination of nitrate and nitrite contents－Method by cadmium reduction and spectrometry
KS M ISO 10304-2:2008 Water quality－Determination of dissolved anions by liquid chromatography of ions－Part 2：Determination of bromide, chloride, nitrate,nitrite, orthophosphate and sulfate in waste water
KS M ISO 10304-2:2003 Water quality－Determination of dissolved anions by liquid chromatography of ions－Part 2：Determination of bromide, chloride, nitrate,nitrite, orthophosphate and sulfate in waste water
KS I ISO 10304-1:2006 Water quality-Determination of dissolved fluoride, chloride, nitrite, orthophosphate, bromide, nitrate and sulfate ions, using liquid chromatography of ions-Part 1:Method for water with low contamination

KR-KS

KS I ISO 6777-2023 Water quality — Determination of nitrite — Molecular absorption spectrometric method
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 8195-2001 Caseins and caseinates－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 I ISO 10304-1-2023 Water quality — Determination of dissolved anions by liquid chromatography of ions — Part 1: Determination of bromide, chloride, fluoride, nitrate, nitrite, phosphate and sulfate
KS 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

AT-ON

ONORM DIN 10338-1992 Determination of nitrate and nitrite contents of cheese - Method by cadmium reduction
ONORM M 6283-1990 Water analysis; determination of fluoride, Chloride, nitrite, Phosphate, bromide, nitrate and sulfate by Ion exchange chromatography
ONORM EN 26777-1993 Water quality - Determination of nitrite - Molecular absorption spectrometric method (ISO 6777:1984)

IN-BIS

IS 9967-1981 Cadmium reduction photometry method for determination of nitrate and nitrite content in cheese

GM Europe

GME B 040 0722-1987 Nitrite accelerator

BSI

NS-EN ISO 15923-1:2024 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)