Nitrate nitrogen and nitrate

Nitrate nitrogen and nitrate, Total:175 items.

The international standard classification for "Nitrate nitrogen and nitrate" includes: food products in general , Milk and processed milk products , Fruits. Vegetables , Water quality , Vegetables and derived products , General methods of tests and analysis for food products .

The Chinese standard classification for "Nitrate nitrogen and nitrate" includes: Food sanitation , Children foods , Chemical reagent in general , Basic standards and general methods , Boiler and its auxiliary equipment , Analysis methods for toxic substances in water , Basic standards and general methods .

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

GB 6912.1-1986 Determination of nitrate and nitrite - Nitrate UV photometric method
GB/T 5009.33-2008 Determination of nitrite and nitrate in foods
GB 19338-2003 Tolerance limit for nitrate in Vegetables
GB 6912.2-1986 Determination of nitrate and nitrite - Nitrite UV photometric method
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 7493-1987 quality - Determination of nitrogen (nitrite) - Spectrophotometric method
GB/T 5009.33-2003 Determination of nitrite and nitrate in foods
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 6912.3-1986 Determination of nitrate and nitrite a-naphthylamine hydrochloride spectrophotometric method
GB/T 5413.32-1997 Milk powder-Determination of nitrate and nitrite contents
GB/T 15401-1994 Fruits, vegetables and derived products--Determination of nitrite and nitrate content
GB/T 7480-1987 quality - Determination of nitrate - Spectrophotometric method with phenol disulfonic acid
GB/T 6912.3-1986 Methods for analysis of water for boiler and for cooling; The determination of nitrates and nitrites; Alpha-naphthylamine hydrochloride photometric method
GB/T 6912.1-1986 Methods for analysis of water for boiler and for cooling; The determination of nitrates and nitrites; Ultraviolet spectrophotometry for nitrates
GB/T 13580.5-1992 Determination of fluoride, chloride, ntrite, nitrate, salfate in the wet precipitation - Ion chromotography

Professional Standard - Environmental Protection

HJ 634-2012 Soil-Determination of ammonium,nitrite and nitrate by extraction with potassium chloride solution -spectrophotometric methods

Group Standards of the People's Republic of China

T/LNIQA 019-2024 Determination of fluoride, chloride, nitrate, nitrite, sulfate, bromate and phosphate content in drinking natural mineral water - ion chromatography
T/CPCIF 0168-2021 Rapid detection kits for nitrite，nitrate and ammonia nitrogen in water
T/SATA 053-2023 Determination of bromate, nitrite, chlorate, nitrate and thiocyanate in infant formula - Ion Chromatography

Hubei Provincial Standard of the People's Republic of China

DB42/T 2120-2023 Determination of ammonia nitrogen, nitrite nitrogen and nitrate nitrogen in soil by gas phase molecular absorption spectrometry

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 - Agriculture

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

National Health Commission of the People's Republic of China

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

Taiwan Provincial Standard of the People's Republic of China

CNS 1602-1962 Bismuth Subnitrate (Basic Bismuth Nitrate, Bismuth Oxynitrate)
CNS 12980-1992 Method of Test for Milk and Milk Products - Determination of Nitrate and Nitrite Contents of Edible Cheese
CNS 12980-2007 Method of test for milk and milk products - Determination of nitrate and nitrite content in edible cheese

中华人民共和国环境保护部

GB 7493-1987 Water quality-Determination of nitrogen (nitrite)-Spectrophotometric method
GB 13580.5-1992 Determination of fluoride,chloride,ntrite nitrate,salfate in the wet precipitation-Ion chromotography
GB 7480-1987 Water quality-Determination of nitrate-Spectrophotometric method with phenol disulfonic acid

National Metrological Verification Regulations of the People's Republic of China

JJG 656-2013 Nitrate-Nitrogen Automatic Analyzers

Professional Standard - Water Conservancy

SL 84-1994 Determination of nitrogen(nitrate) (Ultraviolet spectrophtometric method)

Professional Standard - Commodity Inspection

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

National Metrological Technical Specifications of the People's Republic of China

JJF 1425-2013 Program of Pattern Evaluation of Nitrate-Nitrogen Automatic Analyzers

Danish Standards Foundation

DS 223:1991 Water analysis. Determination of the sum of nitrite- and nitrate-nitrogen
DS 230:1988 Water quality. Nitrate- + nitrite-nitrogen. Reduction by Devardas alloy
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 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 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

SCC

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
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
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 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
BS 2690-7:1968 Methods of testing water used in industry-Nitrite, nitrate and ammonia (free, saline and albuminoid)
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
AWWA WQTC65748 Reduction of Nitrate through the Use of Nitrate Reductase for the SmartChem Autoanalyzer
AENOR 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).
NS-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)
BS 1743-16.3:1987 Methods 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

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

YU-JUS

JUS H.Z1.137-1985 Testing of industrial vvaters. Determination of nitrite-nitrate and the combined nitrite-nitrate nitrogen, Spectrophotometric method
JUS H.G8.044-1982 Reaaents. Si Iver nitrate. Determination ofsulphates content. Turbidimetric method

CZ-CSN

CSN 65 4102-1984 Tempenng hitrate and nitrite salts
CSN 68 4132-1985 Determination of small mouts of nitrites

South African Bureau of Standard

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

SE-SIS

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

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 ISO 13395:1996 Water Quality - Determination of Nitrite Nitrogen and Nitrate Nitrogen and the Sum of Both by Flow Analysis (CFA and FIA) and Spectrometric Detection
EN 12014-4:2005 Foodstuffs - Determination of nitrate and/or nitrite content - Part 4: Ion-exchange chromatographic (IC) method for the determination of nitrate and nitrite content of meat products
EN 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

RU-GOST R

GOST R 51460-1999 Cheese. Method for determination of nitrate and nitrite contents
GOST R 51454-1999 Caseins and caseinates. Method of determination of nitrate and nitrite contents
GOST EN 12014-3-2015 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 27753.7-1988 Greenhouse grounds methods for determination of nitrate nitrogen
GOST EN 12014-4-2015 Foodstuffs. Determination of nitrate and/or nitrite content. Part 4. Determination of nitrate and nitrite content in meat products by ion-exchange chromatographic method
GOST 32257-2013 Milk and milk products. Method for determination of nitrate and nitrite contents
GOST 13496.19-2015 Feeds, mixed feeds and raw material. Methods for determination of nitrate and nitrite
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

RO-ASRO

STAS SR ISO 7408:1993 Fertilizers. Determination of ammoniacal nitrogen content in the presence of other substances which release ammonia when treated with sodium hydroxide. Titrimetric method
STAS 10314-1984 MILK AND MILK PRODUCTS Determination of nitrites and nitrates content
SR ISO 4176:1981 Fertilizers. Determination of nitrate nitrogen content. Nitrogen gravimetric method
STAS 3048/1-1977 DRINKING WATE& Determination of nitrates
STAS 8620-1970 SULPHITEPULP FOR NITRATING

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
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
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 12014-1:1997(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 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 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 12014-2:1997 Foodstuffs - Determination of nitrate and/or nitrite content - HPLC/IC method for the determination of nitrate content of vegetables and vegetable products
BS ISO 15923-1:2013 Water quality. Determination of selected parameters by discrete analysis systems. Ammonium, nitrate, nitrite, chloride, orthophosphate, sulfate and silicate with photometric detection

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 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)

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-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

Association Francaise de Normalisation

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 T30-047:1971 DETERMINATION OF WATER-SOLUBLE SALTS (SULPHATES,CHLORIDES,NITRATES) IN PIGMENTS.
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 V05-121:1979 Fruits, légumes et produits dérivés - Détermination des teneurs en nitrites et en nitrates
NF EN 15558:2009 Fertilizers - Dosage of nitrate and ammonia nitrogen according to Ulsch
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 V04-292:1986 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 V03-010-2*NF EN 12014-2:2017 Foodstuffs - Determination of nitrate and/or nitrite content - Part 2 : HPLC/IC method for the determination of nitrate content of vegetables and vegetable products
NF V03-010-2:1997 Foodstuffs. Determination of nitrate and/or nitrite content. Part 2 : HPLC/IC method for the determination of nitrate content of vegetables and vegetable products.
NF V04-290:1985 Cheese. Determination of nitrate and nitrite contents. Method by cadmium reduction and photometry.
NF T20-262:1968 Chemical analysis of hydrochloric and nitric acids. Determination of sulphated ash.

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 Foodstuffs - Determination of nitrate and/or nitrite content - Part 4: Ion-exchange chromatographic (IC) method for the determination of nitrate and nitrite content of meat products; German version EN 12014-4:2005
DIN EN 12014-4:2005-08 Foodstuffs - Determination of nitrate and/or nitrite content - Part 4: Ion-exchange chromatographic (IC) method for the determination of nitrate and nitrite content of meat products; German version EN 12014-4:2005
DIN EN ISO 13395:1996-12 Water quality - Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection (ISO 13395:1996); German version EN ISO 13395:1996
DIN EN 12014-2:1997 Foodstuffs - Determination of nitrate and/or nitrite content - Part 2: HPLC/IC method for the determination of nitrate content of vegetables and vegetable products; German version EN 12014-2:1997
DIN EN 12014-5:1997 Foodstuffs - Determination of nitrate and/or nitrite content - Part 5: Enzymatic determination of nitrate content of vegetable-containing food for babies and infants; German version EN 12014-5:1997
DIN EN 12014-1:1999 Foodstuffs - Determination of nitrate and/or nitrite content - Part 1: General considerations (including Amendment A1:1999); German version EN 12014-1:1997 + A1:1999

U.S. Military Regulations and Norms

ARMY A-A-59339 VALID NOTICE 1-2003 GUANIDINE NITRATE
ARMY A-A-59339-1998 GUANIDINE NITRATE

GM Europe

GME B 040 0427-2003 Nitrate-Free Phosphate Solution (English/German)
GME B 040 0722-1987 Nitrite accelerator
GME L 000 0642-2003 Dip phosphate make-up solution (liquid, nitrite accelerated) (English/German)

HU-MSZT

MSZ 448/12.lap-1964 Drinking water nitrate and nitrite ions definition
MSZ 11483-1981 For nitrate research
MNOSZ 9475-1952 Wine testing. Nitrate and nitrite content indicators and detection
MSZ 24461-1957 Nitrate, for analysis
MSZ 8779-1964 Lead for analysis. Nitrate

American Society for Testing and Materials (ASTM)

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

Standard Association of Australia （SAA）

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

BE-NBN

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

PL-PKN

PN A82114-1974 Mea? and meat produc?s Determinalion of nitrites and ni?ra?es
PN BN 6191-05-1963 Calcium nitrate test reagent
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 A75112-1992 Fruits, vegetables and derived products. Determination of nitrites and nitrates content

GSO

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
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

Korean Agency for Technology and Standards (KATS)

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 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 H ISO 4099:2006 Cheese－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 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 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 3220-2017 Water quality－Determination of nitrate
KS M 1043-2009 Nitrate ion standard solution
KS H ISO 6739-2006 Whey cheese－Determination of nitrate and nitrite contents－Method by cadmium reduction and spectrometry
KS I 3220-2007(2017) Water quality－Determination of nitrate

Japanese Industrial Standards Committee (JISC)

JIS K 8553:1961 Zirconyl nitrate

VN-TCVN

TCVN 7257-2003 Tobacco and tobacco products.Determination of total nitrate and nitrite contents

KR-KS

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 8195-2001 Caseins and caseinates－Determination of nitrate and nitrite contents－Method by cadmium reduction and spectrometry

International Organization for Standardization (ISO)

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 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 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/FDIS 7158:2023 Meat and meat products — Determination of nitrite and nitrate content — Ion chromatography method

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