Nitrate wastewater

Nitrate wastewater, Total:171 items.

The international standard classification for "Nitrate wastewater" includes: Water quality , Fruits. Vegetables , Milk and processed milk products , Pigments and extenders , food products in general , Water of natural resources .

The Chinese standard classification for "Nitrate wastewater" includes: Analysis methods for toxic substances in water , Chemical reagent in general , Boiler and its auxiliary equipment , Basic standards and general methods , Children foods , Basic standard and general method for pigment , Food sanitation , Basic standard and general method for coating , Environmental pollutant monitoring methods .

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

GB 6912.3-1986 Determination of nitrate and nitrite a-naphthylamine hydrochloride spectrophotometric method
GB 6912.1-1986 Determination of nitrate and nitrite - Nitrate UV photometric method
GB/T 6912.1-2006 Methods for analysis of water for boiler and for cooling determination of nitrates and nitrites - Part 1: Ultraviolet spectrophotometry for nitrates
GB/T 5009.33-2008 Determination of nitrite and nitrate in foods
GB/T 7493-1987 quality - Determination of nitrogen (nitrite) - Spectrophotometric method
GB/T 15401-1994 Fruits, vegetables and derived products--Determination of nitrite and nitrate content
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 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 5009.33-1996 Method for determination of nitrite and nitrate in foods
GB/T 13580.5-1992 Determination of fluoride, chloride, ntrite, nitrate, salfate in the wet precipitation - Ion chromotography
GB/T 5413.32-1997 Milk powder-Determination of nitrate and nitrite contents
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 5211.11-2008 Determination of water-soluble sulfates chlorides and nitrates of pigments
GB/T 13451.1-1992 Determination of water-soluble nitrates of pigments--Salicylic acid method
GB/T 13580.8-1992 Determination of nitrate in the wet precipitation
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 5211.11-1986 Determination of water-soluble sulfates chlorides and nitrates of pigments

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/XMTIC 0001-2024 Rapid method for the determination of nitrite in water
T/SATA 053-2023 Determination of bromate, nitrite, chlorate, nitrate and thiocyanate in infant formula - Ion Chromatography
T/CPCIF 0168-2021 Rapid detection kits for nitrite，nitrate and ammonia nitrogen in water

Ministry of Ecology and Environment of the People's Replublic of China

GB 13580.5-1992 Determination of fluoride,chloride,ntrite nitrate,salfate in the wet precipitation-Ion chromotography
GB 13580.8-1992 Determination of nitrate in the wet precipitation

Taiwan Provincial Standard of the People's Republic of China

CNS 1602-1962 Bismuth Subnitrate (Basic Bismuth Nitrate, Bismuth Oxynitrate)
CNS 4052-1976 Methods for Determination of Nitrite Nitrogen in Polluted and Waste Water
CNS 4051-1976 Methods for Determination of Nitrate Nitrogen in Polluted and Waste Water

未注明发布机构

JIS K 8568:1966(1992) Manganese Nitrate

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

RO-ASRO

STAS 8900/1-1971 SURFACE AND WASTE WATERS Nitrate determination
STAS 8900/2-1971 SURFACE AND WASTE WATERS Nitrite determination
STAS 3048/1-1977 DRINKING WATE& Determination of nitrates
STAS 12999-1991 SEA WATER Azotates content determination
STAS 12754-1989 SEA WATER Nitrites content determination
STAS 11581-1983 VEGETABLE AND FRUIT PRODUCTSAND VEGETABLE WITH MEAT PRODUCTS Determination of nitrate and nitrite contents
STAS 10064-1975 SURFACE AND WASTE WATERS Determination of phosphates
STAS 10314-1984 MILK AND MILK PRODUCTS Determination of nitrites and nitrates content

South African Bureau of Standard

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

Indonesia Standards

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
SNI 06-2484-2002 Test methods for nitrite content in water by colorymetry
SNI 6989.74-2009 Water and wastewater. Part 74: Determination of nitrate (NO3-) content by ion-selective electrode method

PL-PKN

PN C04642-05-1991 Water and waste water. Tests of pollutants in atmospheric precipitation. Determination of nitrite and the sum of nitrate and nitrite by colorimetric method
PN C04576 ArkusZ06-1973 Water and wastewater Tests for nitrogen compounds Determination of nitrite nitrogen by the colorimetric method with sulfanilic acid and 1-naphthylamine
PN A75112-1992 Fruits, vegetables and derived products. Determination of nitrites and nitrates content
PN A82114-1974 Meat and meat products Determination of nitrite and nitrate content

Bureau of Indian Standards

IS 3025-82-2024 Methods of Sampling and Test (Physical and Chemical) for Water and Wastewater - Part 82 Ammonium, Nitrate, Nitrite, Chloride, Orthophosphate, Sulfate and Silicate with Photometric Detection
IS 3025-75-2022 Methods of sampling and test Physical And Chemical for water and wastewater Part 75 Determination of dissolved anions by liquid chromatography of ions —— Determination of Bromide, Chloride, Fluoride, Nitrate, Nitrite, Phosphate and Sulfate
IS 3025-34-1-2023 Methods of Sampling and Test (Physical and Chemical) for Water and Wastewater - Part 34 Nitrogen - Section 1 Determination of Various Types of Nitrogen like Ammoniacal, Nitrate, Nitrite and Organic Nitrogen

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

Ente Nazionale Italiano di Unificazione

UNI EN ISO 10304-2:2000 Water quality - Determination of dissolved anions by liquid chromatography of ions - Determination of bromide, chloride, nitrate, nitrite, orthophosphate and sulfate in waste water
UNI 11700:2017 Water quality - Determination of Nitric Nitrogen (Nitrates) in waste, natural and drinking waters with small-scale sealed-tube method
UNI CEN/TS 16177:2012 Sludge, treated biowaste and soil - Extraction for the determination of extractable ammonia, nitrate and nitrite
UNI EN ISO 10304-1:1997 Water quality. Determination of dissolved fluoride, chloride, nitrite, orthophosphate, bromide, nitrate and sulfate ions, using liquid chromatography of ions.
UNI 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
UNI 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
UNI 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
UNI 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
UNI 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

Magyar Szabványügyi Testület

MSZ 448/12.lap-1964 Drinking water nitrate and nitrite ions definition
MSZ 260/11-1971 Test for determination of nitrate wastewater
MSZ 3789-1959 Cobalt(II) nitrate, for crystallization water analysis
MSZ 11483-1981 For nitrate research

American Society for Testing and Materials (ASTM)

ASTM D3867-16 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 D3867-99 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

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 230:1988 Water quality. Nitrate- + nitrite-nitrogen. Reduction by Devardas alloy
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
DANSK DS/CEN/TS 16177:2012 Sludge, treated biowaste and soil - Extraction for the determination of extractable ammonia, nitrate and nitrite
DS/CEN/TS 16177:2012 Sludge, treated biowaste and soil - Extraction for the determination of extractable ammonia, nitrate and nitrite
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
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

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 6635:1984 Fruits, vegetables and derived products; Determination of nitrite and nitrate content; Molecular absorption spectrometric method

British Standards Institution (BSI)

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 2690-7:1968 Methods of testing water used in industry-Nitrite, nitrate and ammonia (free, saline and albuminoid)
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 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
06/30126102 DC ISO 10304. Water quality. Determination of dissolved bromide, chloride, fluoride, nitrate, nitrite, phosphate and sulfate. Method by liquid chromatography of ions
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 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 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 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 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 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

YU-JUS

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

SE-SIS

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

Korean Agency for Technology and Standards (KATS)

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 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 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 10304-2:2008 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 I 3220-2007(2017) Water quality－Determination of nitrate
KS I 3220-2017 Water quality－Determination of nitrate
KS I 3220-2007 Water quality－Determination of nitrate
KS M 8393-2014 Manganese(Ⅱ) nitrate hexahydrate (Reagent)
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)

Association Francaise de Normalisation

NF T30-047:1971 DETERMINATION OF WATER-SOLUBLE SALTS (SULPHATES,CHLORIDES,NITRATES) IN PIGMENTS.
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 V05-121:1979 Fruits, vegetables and derived products - Determination of nitrite and nitrate contents
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 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
XP X31-080*XP CEN/TS 16177:2012 Sludge, treated biowaste and soil - Extraction for the determination of extractable ammonia, nitrate and 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 T90-436-1*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

Standard Association of Australia （SAA）

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

Swedish Institute for Standards

SS 28133:1991 Determination of the sum of the nitrite and nitrate nitrogen content of water
SS-EN ISO 10304-2:1997 Water quality - Determination of dissolved anionsby liquid chromatography of ions - Part 2: Determination of bromide, chloride, nitrate, nitrite, ortophospate and sulfate in waste water (ISO 10304-2:1995)
SS-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
SS-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
SS-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, IDT)

Standards Norway

NS 4745:1991 Water analysis - Determination of the sum of nitrite nitrogen and nitrate nitrogen
NS 4745-1991 Water analysis - Determination of the sum of nitrite nitrogen and nitrate nitrogen
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)
NS 4865-1983 Air quality - Determination of the sum of nitrite- and nitrate-nitrogen in precipitation
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
NS 4865:1983 Air quality — Determination of the sum of nitrite- and nitrate-nitrogen in precipitation
SN-CEN/TS 16177:2012 Sludge, treated biowaste and soil — Extraction for the determination of extractable ammonia, nitrate and nitrite

European Committee for Standardization (CEN)

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
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
CEN/TS 16177:2012 Sludge, treated biowaste and soil - Extraction for the determination of extractable ammonia, nitrate and 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

CZ-CSN

CSN 65 4102-1984 Tempenng hitrate and nitrite salts

German Institute for Standardization

DIN EN ISO 10304-2:1996-11 Determination of dissolved anions in water by liquid chromatography - Part 2: Determination of bromide, chloride, nitrate, nitrite, orthophosphate and sulfate anions in waste water (ISO 10304-2:1995)
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 CEN/TS 16177:2012-05*DIN SPEC 91260:2012-05 Sludge, treated biowaste and soil - Extraction for the determination of extractable ammonia, nitrate and nitrite; German version CEN/TS 16177:2012
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 CEN/TS 16177:2012 Sludge, treated biowaste and soil - Extraction for the determination of extractable ammonia, nitrate and nitrite; German version CEN/TS 16177:2012
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 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 12014-4:2005-08 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

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 ISO 10304-2:1997 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. (ISO 10304-2:1995).
AENOR UNE 34113:1981 Fruits, vegetables and derived products. Determination of nitrite and nitrate content. Photometric method.
AENOR UNE 77027:1982 METHODS OF ANALYSIS OF INDUSTRIAL WATERS. NITRATES

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

American Water Works Association (AWWA)

AWWA ACE91072 Evaluation and Costs of Methods to Eliminate Ion Exchange Waste Brine Discharges From Nitrate Treatment Plants
AWWA ACE92115 Nitrate Removal at Des Moines Water Works
AWWA ACE95065 Occurrence of Nitrates in Water Resources
AWWA ACE61613 Biological Treatment of ISEPtm Brine Contaminated with Perchlorate and Nitrate
AWWA ACE92031 Nitrate Removal From Groundwater Sources
AWWA ACE70896 Perchlorate, Nitrate and Iodide in Tap Water: NHANES 2005-2006
AWWA WQTC69285 Pilot-Scale Demonstration of Biological Reduction of Perchlorate and Nitrate from Ion Exchange Brine

U.S. Military Regulations and Norms

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

Gosstandart of Russia

GOST 34923-2023 Water quality. Method for determination of nitrate ions
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 18826-1973 Drinking water. Methods for determination of nitrates content
GOST R 51460-1999 Cheese. Method for determination of nitrate and nitrite contents

AT-ON

ONORM M 6283-1990 Water analysis; determination of fluoride, Chloride, nitrite, Phosphate, bromide, nitrate and sulfate by Ion exchange chromatography

GM Europe

GME B 040 0427-2003 Nitrate-Free Phosphate Solution (English/German)

NL-NEN

NEN 6588-1988 Rain water - Determination of chloride, phosphate, nitrate and sulphate content by ionchromatography
NEN 6474-1981 Water ■ Photometric determination of nitrite content
NEN 6440-1981 Water - Photometric determination of nitrate content
NEN 6652-1992 Water- Photometric determination of the sum of the contents of dissolved nitrate and nitrite by continuous flow analysis

FI-SFS

SFS 2015-1969 Mercury (I) Nitrate Test for Copper Metal

Kingdom of Bahrain Testing and Metrology Directorate

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

BE-NBN

NBN V 21-027-1982 Cheese - Determination of nitrate and nitrite contents - Reference method

GCC Standardization Organization

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