ZH
RU
ES

hydrochloric acid nitric acid microwave

hydrochloric acid nitric acid microwave, Total:496 items.

In the international standard classification, hydrochloric acid nitric acid microwave involves: Wastes, General methods of tests and analysis for food products, Water quality, Meat, meat products and other animal produce, Milk and milk products, Materials for aerospace construction, Paint ingredients, Food products in general, Inorganic chemicals, Analytical chemistry, Soil quality. Pedology, Fruits. Vegetables, Prepackaged and prepared foods, Animal feeding stuffs, Fertilizers, Ferroalloys, Sugar. Sugar products. Starch, Products of the chemical industry, Products of non-ferrous metals, Vocabularies, Photography, Beverages, Metrology and measurement in general, Dentistry, Pharmaceutics, Air quality, Medical equipment, Cinematography, Construction materials, Tobacco, tobacco products and related equipment.

Danish Standards Foundation, hydrochloric acid nitric acid microwave

DS/EN 13656:2003 Characterization of waste - Microwave assisted digestion with hydrofluoric (HF), nitric (HNO3) and hydrochloric (HCl) acid mixture for subsequent determination of elements
DS/EN 12014-3:2005 Foodstuffs – Determination of nitrate and/or nitrite content – Part 3: Spectrometric determination of nitrate and nitrite content of meat products after enzymatic reduction of nitrate to nitrite
DS 223:1991 Water analysis. Determination of the sum of nitrite- and nitrate-nitrogen
DS/EN 12014-4:2005 Foodstuffs – Determination of nitrate and/or nitrite content – Part 4: Ion-exchange chromatographic (IC) method for the determination of nitrate and nitrite content of meat products
DS 230:1988 Water quality. Nitrate- + nitrite-nitrogen. Reduction by Devardas alloy
DS/EN 12014-1/A1:1999 Foodstuffs - Determination of nitrate and/or nitrite content - Part 1: General considerations
DS/EN 12014-1:1998 Foodstuffs - Determination of nitrate and/or nitrite content - Part 1: General considerations
DS/EN 12014-5:1998 Foodstuffs - Determination of nitrate and/or nitrite content - Part 5: Enzymatic determination of nitrate content of vegetable-containing food for babies and infants
DS/EN 12014-2:1998 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 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 12014-7:1999 Foodstuffs - Determination of nitrate and/or nitrite content - Part 7: Continous Flow method for the determination of nitrate content of vegetables and vegetable products after Cadmium reduction
DS/EN ISO 14673-1:2004 Milk and milk products - Determination of nitrate and nitrite contents - Part 1: Method using cadmium reduction and spectrometry
DS/CEN/TS 16177:2012 Sludge, treated biowaste and soil - Extraction for the determination of extractable ammonia, nitrate and nitrite
DS/EN ISO 14673-2:2004 Milk and milk products - Determination of nitrate and nitrite contents - Part 2: Method using segmented flow analysis (Routine method)
DS/EN ISO 13395:1997 Water quality - Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection
DS/EN 26777:2003 Water quality - Determination of nitrite - Molecular absorption spectrometric method

Lithuanian Standards Office , hydrochloric acid nitric acid microwave

LST EN 13656-2003 Characterization of waste - Microwave assisted digestion with hydrofluoric (HF), nitric (HNO3) and hydrochloric (HCl) acid mixture for subsequent determination of elements
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 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
LST EN 12014-7-2001 Foodstuffs - Determination of nitrate and/or nitrite content - Part 7: Continuous flow method for the determination of nitrate content of vegetables and vegetable products after Cadmium reduction
LST 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 (ISO 10304-1:2007)
LST EN ISO 14673-1:2004 Milk and milk products - Determination of nitrate and nitrite contents - Part 1: Method using cadmium reduction and spectrometry (ISO 14673-1:2004)
LST EN ISO 13395:2000 Water quality - Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection (ISO 13395:1996)
LST ISO 9297:1998 Water quality. Determination of chloride. Silver nitrate titration with chromate indicator (Morh's method)
LST ISO 7890-3:1998 Water quality. Determination of nitrate. Part 3: Spectrometric method using sulfosalicylic acid
LST ISO 3091:1997 Meat and meat products. Determination of nitrate content (Reference method)

AENOR, hydrochloric acid nitric acid microwave

UNE-EN 13656:2003 Characterization of waste - Microwave assisted digestion with hydrofluoric (HF), nitric (HNO3) and hydrochloric (HCl) acid mixture for subsequent determination of elements
UNE-EN 12014-3:2006 Foodstuffs - Determination of nitrate and/or nitrite content - Part 3: Spectrometric determination of nitrate and nitrite content of meat products after enzymatic reduction of nitrate to nitrite
UNE-EN 12014-4:2006 Foodstuffs - Determination of nitrate and/or nitrite content - Part 4: Ion-exchange chromatographic (IC) method for the determination of nitrate and nitrite content of meat products
UNE-EN 12014-2:1998 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/A1:2001 FOODSTUFFS. DETERMINATION OF NITRATE AND/OR NITRITE CONTENT. PART 1: GENERAL CONSIDERATIONS.
UNE-EN 12014-1:1997 FOODSTUFFS. DETERMINATION OF NITRATE AND/OR NITRITE CONTENT. PART 1: GENERAL CONSIDERATIONS.
UNE-EN 12014-7:2000 FOODSTUFF - DETERMINATION OF NITRATE AND/OR NITRITE CONTENT- PART 7: CONTINUOUS FLOW METHOD FOR THE DETERMINATION OF NITRATE CONTENT OF VEGETABLES AND VEGETABLE PRODUCTS AFTER CADMIUM REDUCTION
UNE-EN ISO 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 (ISO 10304-1:2007)
UNE-EN ISO 14673-1:2004 Milk and milk products - Determination of nitrate and nitrate contents - Part 1: Method using cadmium reduction and spectrometry (ISO 14673-1:2004)
UNE-ISO 9297:2013 Water quality. Determination of chloride. Silver nitrate titration with chromate indicator (Mohr's method)

NL-NEN, hydrochloric acid nitric acid microwave

NVN 5770-1993 Soil and sludge. Sample preparation of soil and sludge for the determination of elements by atomic spectrometry. Destruction with nitric acid and hydrochloric acid in a microwave oven
NEN 6588-1988 Rain water - Determination of chloride, phosphate, nitrate and sulphate content by ionchromatography
NEN 3765-1981 Cheese - Physical and chemical test methods - Determination of the nitrate content (routine method)
NEN 3764-1981 Cheese - Physical and chemical test methods - Determination of the nitrite and the nitrate content (reference method)
NEN 6474-1981 Water ■ Photometric determination of nitrite content
NEN 6440-1981 Water - Photometric determination of nitrate content
NEN 2866-1989 Fruit juices Determination of nitrate content - Spectrometric method
NEN 6652-1992 Water- Photometric determination of the sum of the contents of dissolved nitrate and nitrite by continuous flow analysis
NEN 6581-1985 Rain water - UV-photometric determination of nitrate content

CZ-CSN, hydrochloric acid nitric acid microwave

CSN 65 4102-1984 Tempenng hitrate and nitrite salts
CSN 68 4132-1985 Determination of small mouts of nitrites
CSN 57 0158-1986 Testing methods for meat products and canned sterilized food. Determination of nitrite and nitrate content
CSN 83 0540 Cast.12-1984 Chemical and physical analysis of waste water Determination of nitrates
CSN 83 0520 Cast.24-1976 Physico-chemiral analysis of drinking walcr. Dctcriiiination ol nitrates

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, hydrochloric acid nitric acid microwave

GB 6912.1-1986 Determination of nitrate and nitrite - Nitrate UV photometric method
GB 6912.2-1986 Determination of nitrate and nitrite - Nitrite UV photometric method
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 5009.33-2008 Determination of nitrite and nitrate in foods
GB/T 5009.33-2003 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 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 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 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 15401-1994 Fruits,vegetables and derived products--Determination of nitrite and nitrate content
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 10304.5-1988 Determination of nitrate in cathode carbonate
GB 19338-2003 Tolerance limit for nitrate in Vegetables
GB/T 5211.11-1986 Determination of water-soluble sulfates chlorides and nitrates of pigments
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 4701.4-2008 Ferrotitanium. Determination of manganese content. Arsenite-salt and sodium-salt titrimetric method and periodate photometric method
GB/T 13580.8-1992 Determination of nitrate in the wet precipitation
GB/T 13085-1991 Method for determination of nitrite in feeds
GB/T 7480-1987 Water quality--Determination of nitrate--Spectrophotometric method with phenol disulfonic acid
GB 15198-1994 Tolerance limit of nitrite in foods
GB/T 19339-2003 Rapid Determination of nitrate in vegetables
GB/T 13085-2005 Determination of nitrite in feeds-Method using colorimetric analysis
GB/T 15244-2013 Microbeam analysis.Quantitative analysis of silicate glass by wavelength dispersive X-ray spectrometry and energy dispersive X-ray spectrometry
GB/T 7493-1987 Water quality--Determination of nitrogen (nitrite)--Spectrophotometric method
GB 13078.1-2006 Hygienical standard for feed.Limited content of nitrite in feeds
GB/T 20618-2006 Fireworks firecrackers. Determination of nitrates content in pyrotechnic composition
GB/T 24800.13-2009 Determination of nitrite in cosmetics by ion chromatography method

ZA-SANS, hydrochloric acid nitric acid microwave

SANS 5210:2006 Water - Nitrate and nitrite content
SANS 5210:2010 Water - Nitrate and nitrite content
SANS 1271:1999 Mepivacaine hydrochloride injection for dental use
SANS 13395:1996 Water quality - Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection
SANS 5968:1987 Nitrates in water for injections, limit test

European Committee for Standardization (CEN), hydrochloric acid nitric acid microwave

DD ENV 12014-3-1998 Foodstuffs - Determination of Nitrate and/or Nitrite Content - Part 3: Spectrometric Determination of Nitrate and Nitrite Content of Meat Products After Enzymatic Reduction of Nitrate to Nitrite
EN 12014-3:2005 Foodstuffs - Determination of nitrate and/or nitrite content - Part 3: Spectrometric determination of nitrate and nitrite content of meat products after enzymatic reduction of nitrate to nitrite
EN 12014-4:2005 Foodstuffs - Determination of nitrate and/or nitrite content - Part 4: Ion-exchange chromatographic (IC) method for the determination of nitrate and nitrite content of meat products
EN 12014-5:1997 Foodstuffs - Determination of nitrate and/or nitrite content - Part 5: Enzymatic determination of nitrate content of vegetable-containing food for babies and infants
EN 13656:2002 Characterization of waste - Microwave assisted digestion with hydrofluoric (HF), nitric (HNO3) and hydrochloric (HCI) acid mixture for subsequent determination of elements
EN 13656:2020 Soil, treated biowaste, sludge and waste - Digestion with a hydrochloric (HCl), nitric (HNO3) and tetrafluoroboric (HBF4) or hydrofluoric (HF) acid mixture for subsequent determination of elements
EN 12014-2:1997 Foodstuffs - Determination of nitrate and/or nitrite content - Part 2: HPLC/IC method for the determination of nitrate content of vegetables and vegetable products
EN 12014-2:2017 Foodstuffs - Determination of nitrate and/or nitrite content - Part 2: HPLC/IC method for the determination of nitrate content of vegetables and vegetable products
EN 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 12014-1:1997/A1:1999 Foodstuffs - Determination of nitrate and/or nitrite content - Part 1: General considerations
EN 12014-7:1998 Foodstuffs - Determination of nitrate and/or nitrite content - Part 7: Continuous flow method for the determination of nitrate content of vegetables and vegetable products after cadmium reduction
EN 12014-1:1997 Foodstuffs - Determination of Nitrate and/or Nitrite Content - Part 1: General Considerations (Incorporates Amendment A1: 1999)
CEN/TS 16177:2012 Sludge, treated biowaste and soil - Extraction for the determination of extractable ammonia, nitrate and nitrite
EN ISO 10304-1:2009/AC:2012 Water quality - Determination of dissolved anions by liquid chromatography of ions - Part 1: Determination of bromide, chloride, fluoride, nitrate, nitrite, phosphate and sulfate - Technical Corrigendum 1 (ISO 10304-1:2007/Cor 1:2010)
EN ISO 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 (ISO 10304-1:2007)
EN ISO 14673-1:2004 Milk and milk products - Determination of nitrate and nitrite contents - Part 1: Method using cadmium reduction and spectrometry (ISO 14673-1:2004)
EN ISO 14673-2:2004 Milk and milk products Determination of nitrate and nitrite contents Part 2: Method using segmented flow analysis (Routine method) ISO 14673-2:2004
EN ISO 10304-1:1995 Water Quality - Determination of Dissolved Fluoride, Chloride, Nitrite, Orthophosphate, Bromide, Nitrate and Sulfate Ions, Using Liquid Chromatography of Ions - Part 1: Method for Water with Low Contamination (ISO 10304-1 : 1992)
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

British Standards Institution (BSI), hydrochloric acid nitric acid microwave

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 ISO 14869-3:2017 Soil quality. Dissolution for the determination of total element content. Dissolution with hydrofluoric, hydrochloric and nitric acids using pressurised microwave technique
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 6248-11:1987 Caseins and caseinates. Method for determination of nitrate and nitrite contents
BS EN 12014-1:1997(2000) Foodstuffs - Determination of nitrate and/or nitrite content - General considerations
BS EN 12014-1:1997 Foodstuffs - Determination of nitrate and/or nitrite content - General considerations
BS EN 12014-5:1997 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
BS 4267-7:1987 Ammonium nitrate - Methods for determination of nitrite content
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
23/30444433 DC BS ISO 7158. Meat and meat products. Determination of nitrite and nitrate content. Ion chromatography method
BS 770-9:1985 Methods for chemical analysis of cheese. Determination of nitrate and nitrite contents. Cadmium reduction and photometry method
BS 4267-4:1987 Ammonium nitrate - Method for determination of sulphated ash
BS 4267-9:1987 Ammonium nitrate - Method for determination of sulphate content
BS EN ISO 14673-1:2004 Milk and milk products - Determination of nitrate and nitrite contents - Method using cadmium reduction and spectrometry
BS EN 12014-2:2017 Tracked Changes. Foodstuffs. Determination of nitrate and/or nitrite content. HPLC/IC method for the determination of nitrate content of vegetables and vegetable products
BS 1743 Sec.16.3:1987 Method for analysis of dried milk and dried milk products. Determination of nitrate and nitrite contents. Screening method for nitrate content by cadmium reduction and spectrometry
BS EN ISO 10304-1:2009 Water quality. Determination of dissolved anions by liquid chromatography of ions. Determination of bromide, chloride, fluoride, nitrate, nitrite, phosphate and sulfate
BS EN ISO 787-19:2020 General methods of test for pigments - Determination of water-soluble nitrates (Salicylic acid method)
BS ISO 23696-2:2023 Water quality. Determination of nitrate in water using small-scale sealed tubes - Chromotropic acid colour reaction
BS ISO 21438-2:2010 Workplace atmospheres. Determination of inorganic acids by ion chromatography. Volatile acids, except hydrofluoric acid (hydrochloric acid, hydrobromic acid and nitric acid)
BS ISO 21438-2:2009 Workplace atmospheres - Determination of inorganic acids by ion chromatography - Volatile acids, except hydrofluoric acid (hydrochloric acid, hydrobromic acid and nitric acid)
BS ISO 10356:1996 Cinematography. Storage and handling of nitrate-base motion-picture films
BS EN ISO 787-13:2002 General methods of test for pigments and extenders - Determination of water-soluble sulfates, chlorides and nitrates
BS EN ISO 787-13:2019 General methods of test for pigments and extenders - Determination of water-soluble sulfates, chlorides and nitrates
22/30440721 DC BS ISO 21438-2. Workplace atmospheres. Determination of inorganic acids by ion chromatography - Part 2. Volatile acids, except hydrofluoric acid (hydrochloric acid, hydrobromic acid and nitric acid)

U.S. Military Regulations and Norms, hydrochloric acid nitric acid microwave

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

Association Francaise de Normalisation, hydrochloric acid nitric acid microwave

NF V03-010-3*NF EN 12014-3:2005 Foodstuffs - Determination of nitrate and/or nitrite content - Part 3 : spectrometric determination of nitrate and nitrite content of meat products after enzymatic reduction of nitrate to nitrite
NF EN 12014-3:2005 Produits alimentaires - Détermination de la teneur en nitrates et/ou en nitrites - Partie 3 : détermination spectrométrique de la teneur en nitrates et en nitrites des produits carnés après réduction enzymatique des nitrates en nitrites
NF T30-047:1971 DETERMINATION OF WATER-SOLUBLE SALTS (SULPHATES,CHLORIDES,NITRATES) IN PIGMENTS.
NF EN 12014-4:2005 Produits alimentaires - Détermination de la teneur en nitrates et/ou en nitrites - Partie 4 : détermination par chromatographie ionique (CI) de la teneur en nitrates et en nitrites dans les produits carnés
NF V03-010-4*NF EN 12014-4:2005 Foodstuffs - Determination of nitrate and/or nitrite content - Part 4 : ion-exchange chromatographic (IC) method for the determination of nitrate and nitrite content of meat products
NF V05-121:1979 Fruits, légumes et produits dérivés - Détermination des teneurs en nitrites et en nitrates
NF T20-262:1968 Chemical analysis of hydrochloric and nitric acids. Determination of sulphated ash.
NF V04-292:1986 Dried whey. Determination of nitrate and nitrite contents. Method by cadmium reduction and spectrometry.
NF T20-263:1969 Chemical analysis of hydrochloric and nitric acids. Turbidimetric determination of sulphates.
NF V04-390:1988 Caseins and caseinates. Determination of nitrate and nitrite contents. Method by cadmium reduction and spectrometry.
NF V04-290:1985 Cheese. Determination of nitrate and nitrite contents. Method by cadmium reduction and photometry.
NF V04-351:1985 DRIED MILK. DETERMINATION OF NITRATE AND NITRITE CONTENTS. METHOD BY CADMIUM REDUCTION AND PHOTOMETRY.
NF X31-428-3*NF ISO 14869-3:2017 Soil quality - Dissolution for the determination of total element content - Part 3 : dissolution with hydrofluoric, hydrochloric and nitric acids using pressurised microwave technique
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 T90-436-1*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 EN 12014-5:1997 Produits alimentaires - Détermination de la teneur en nitrates et/ou en nitrites - Partie 5 : détermination enzymatique de la teneur en nitrates des aliments à base de légumes pour bébés et petits enfants.
NF V03-010-1*NF EN 12014-1:1997 Foodstuffs - Determination of nitrate and/or nitrite content - Part 1 : general considerations.
NF T20-582:1965 Chemical analysis of ammonium nitrate for technical use. Determination of nitrate ions.
NF ISO 15923-1:2014 Qualité de l'eau - Détermination de paramètres sélectionnés par des systèmes d'analyse discrète - Partie 1 : ammonium, nitrate, nitrite, chlorure, orthophosphate, sulfate et silicate par détection photométrique
NF 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 Produits alimentaires - Détermination de la teneur en nitrates et/ou en nitrites - Partie 2 : méthode de détermination par CLHP/CI de la teneur en nitrates des légumes et des produits à base de légumes
NF V04-291:1989 WHEY CHEESE. 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 U42-102:1964 Products used in agriculture. Fertilizers. Chemical analysis of ammonium nitrate and the ammonitrates.
NF EN 12014-1:1997 Produits alimentaires - Détermination de la teneur en nitrates et/ou en nitrites - Partie 1 : considérations générales
NF EN 12014-1/A1:2001 Produits alimentaires - Détermination de la teneur en nitrates et/ou en nitrites - Partie 1 : considérations générales
NF EN ISO 10304-1:2009 Qualité de l'eau - Dosage des anions dissous par chromatographie des ions en phase liquide - Partie 1 : dosage du bromure, chlorure, fluorure, nitrate, nitrite, phosphate et sulfate
NF ISO 14869-3:2017 Qualité du sol - Mise en solution pour la détermination des teneurs élémentaires totales - Partie 3 : mise en solution par l'acide fluorhydrique, l'acide chlorhydrique et l'acide nitrique à l'aide de la technique de micro-ondes pressurisées
NF EN 12014-7:1998 Produits alimentaires - Détermination de la teneur en nitrates et/ou en nitrites - Partie 7 : détermination de la teneur en nitrates par flux continu dans les légumes et les produits à base de légumes, après réduction au cadmium.
NF T20-255:1968 Chemical analysis of hydrochloric, nitric and sulphuric acids. Test of heavy metals content.
NF V04-172-1*NF EN ISO 14673-1:2004 Milk and milk products - Determination of nitrate and nitrite contents - Part 1 : method using cadmium reduction and spectrometry.
NF V03-010-1/A1*NF EN 12014-1/A1:2001 Foodstuffs - Determination of nitrate and/or nitrite content - Part 1 : general considerations
NF 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 14673-1:2004 Lait et produits laitiers - Détermination des teneurs en nitrates et en nitrites - Partie 1 : méthode par réduction au cadmium et spectrométrie
NF T20-253:1968 Chemical analysis of hydrochloric, nitric and sulphuric acids. Spectrophotometric determination of iron.
NF V04-172-2*NF EN ISO 14673-2:2004 Milk and milk products - Determination of nitrate and nitrite contents - Part 2 : method using segmented flow analysis (Routine method).
XP X31-080*XP CEN/TS 16177:2012 Sludge, treated biowaste and soil - Extraction for the determination of extractable ammonia, nitrate and nitrite
NF T20-251:1968 CHEMICAL ANALYSIS OF HYDROCHLORIC,NITRIC AND SULPHURIC ACIDS. ESTIMATE OF APPROXIMATE STRENGTH BY DENSITY MEASUREMENT.
NF T90-042:1995 Water quality - Determination of dissolved fluoride, chloride, nitrite, orthophosphate, bromide, nitrate and sulfate ions, using liquid chromatography of ions - Part 1 : method for water with low contamination.
NF T20-287:1982 Nitric acid for industrial use. Determination of sulphate content. Method by reduction and titrimetry.
NF EN ISO 14673-2:2004 Lait et produits laitiers - Détermination des teneurs en nitrates et en nitrites - Partie 2 : méthode d'analyse par flux continus segmentés (Méthode de routine)
NF EN 15558:2009 Engrais - Dosage de l'azote nitrique et ammoniacal selon Ulsch
NF EN 26777:1993 Qualité de l'eau - Dosage des nitrites - Méthode par spectrométrie d'absorption moléculaire
NF ISO 21438-2:2010 Air des lieux de travail - Détermination des acides inorganiques par chromatographie ionique - Partie 2 : acides volatils, sauf acide fluorhydrique (acide chlorhydrique, acide bromhydrique et acide nitrique)
NF V04-410:1974 Meat and meat products. Determination of nitrate content (reference method).

German Institute for Standardization, hydrochloric acid nitric acid microwave

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 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 12014-1:1999 Foodstuffs - Determination of nitrate and/or nitrite content - Part 1: General considerations (including Amendment A1:1999); German version EN 12014-1:1997 + A1:1999
DIN EN 12014-5:1997 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 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 12014-2:2018-02 Foodstuffs - Determination of nitrate and/or nitrite content - Part 2: HPLC/IC method for the determination of nitrate content of vegetables and vegetable products; German version EN 12014-2:2017
DIN 10476:2001 Determination of nitrite and nitrate content of milk products - Enzymatic method (color test)
DIN EN 12014-2:2018 Foodstuffs - Determination of nitrate and/or nitrite content - Part 2: HPLC/IC method for the determination of nitrate content of vegetables and vegetable products
DIN EN 12014-5:1997-08 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 ISO 15923-1:2014 Water quality - Determination of selected parameters by discrete analysis systems - Part 1: Ammonium, nitrate, nitrite, chloride, orthophosphate, sulfate and silicate with photometric detection (ISO 15923-1:2013)
DIN EN ISO 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 12014-7:1998 Foodstuffs - Determination of nitrate and/or nitrite content - Part 7: Continuous flow method for the determination of nitrate content of vegetables and vegetable products after cadmium reduction; German version EN 12014-7:1998
DIN EN 12014-7:1998-08 Foodstuffs - Determination of nitrate and/or nitrite content - Part 7: Continuous flow method for the determination of nitrate content of vegetables and vegetable products after cadmium reduction; German version EN 12014-7:1998
DIN 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 ISO 14673-1:2004 Milk and milk products - Determination of nitrate and nitrite contents - Part 1: Method using cadmium reduction and spectrometry (ISO 14673-1:2004); German version EN ISO 14673-1:2004
DIN EN ISO 14673-2:2004 Milk and milk products - Determination of nitrate and nitrite contents - Part 2: Method using segmented flow analysis (Routine method) (ISO 14673-2:2004); German version EN ISO 14673-2:2004
DIN EN ISO 14673-1:2004-05 Milk and milk products - Determination of nitrate and nitrite contents - Part 1: Method using cadmium reduction and spectrometry (ISO 14673-1:2004); German version EN ISO 14673-1:2004
DIN EN 13656:2003 Characterization of waste - Microwave assisted digestion with hydrofluoric (HF), nitric (HNO<(Index)3>) and hydrochloric (HCl) acid mixture for subsequent determination of elements in waste; German version EN 13656:2002
DIN EN 12014-1:1999-10 Foodstuffs - Determination of nitrate and/or nitrite content - Part 1: General considerations (including Amendment A1:1999); German version EN 12014-1:1997 + A1:1999
DIN 55609:1999 Pigments and extenders - Determination of water soluble sulfates, chlorides and nitrates with ion chromatography
DIN 55609:1999-10 Pigments and extenders - Determination of water soluble sulfates, chlorides and nitrates with ion chromatography
DIN ISO/TS 14256-1:2003 Soil quality - Determination of nitrate, nitrite and ammonium in field moist soils by extraction with potassium chloride solution - Part 1: Manual method (ISO/TS 14256-1:2003)
DIN EN ISO 13395:1996-12 Water quality - Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection (ISO 13395:1996); German version EN ISO 13395:1996
DIN EN ISO 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 (ISO 10304-1:2007); English version of DIN EN ISO 10304-1:2009-07
DIN EN ISO 14673-2:2004-05 Milk and milk products - Determination of nitrate and nitrite contents - Part 2: Method using segmented flow analysis (Routine method) (ISO 14673-2:2004); German version EN ISO 14673-2:2004
DIN EN ISO 14673-3:2004 Milk and milk products - Determination of nitrate and nitrite contents - Part 3: Method using cadmium reduction and flow injection analysis with in-line dialysis (Routine method) (ISO 14673-3:2004); German version EN ISO 14673-3:2004
DIN EN 26777:1993 Water quality; determination of nitrite; molecular absorption spectrometric method (ISO 6777:1984); german version EN 26777:1993

GM Europe, hydrochloric acid nitric acid microwave

GME B 040 0427-2003 Nitrate-Free Phosphate Solution (English/German)
GME B 040 0722-1987
GME L 000 0642-2003 Dip phosphate make-up solution (liquid, nitrite accelerated) (English/German)
GME L 000 0143-1994 Spray Phosphate Make-Up Solution (ELPO)/(Special Product/Nitratefree) (English/German)
GME L 000 0144-1994 Spray Phosphate Replenisher Solution (ELPO)/(Special Product/Nitratefree) (English/German)
GME L 000 0639-2003 Spray phosphate replenisher solution (liquid, nitrite accelerated) (English/German)
GME B 040 1288-2003 Spray Degreasing Agent (Neutral) Nitrite-Free (English/German)

YU-JUS, hydrochloric acid nitric acid microwave

JUS H.Z1.137-1985 Testing of industrial vvaters. Determination of nitrite-nitrate and the combined nitrite-nitrate nitrogen, Spectrophotometric method
JUS H.G8.044-1982 Reaaents. Si Iver nitrate. Determination ofsulphates content. Turbidimetric method
JUS H.G8.396-1989 Reagents. Nitric acid. Determination of sulphates content. Turbidimetric method
JUS H.G8.030-1981 Reagents. Sulphuric acid. Determination of nitrate content. Colorimetric method
JUS H.G8.143-1985 Reagents. Ammonium sulphate. Determination of nitrate content Colorimetric method
JUS H.G8.475-1991 Reagents. Ortophosphoric acid. Determination of nitrate content. Colorimetric method
JUS H.G8.333-1987 Reagents. Ammonium acetate. Determination of nitrates content. Colorimetric method
JUS H.B8.822-1997 Fertilizers - ExtracCion of phosphates soluble in neutral ammonium titrate
JUS H.G8.386-1989 Reagents. Calciun nitrate tetrahydrate. Deterraination of suiphates content. Turbidinetric nethod
JUS H.G8.094-1983 Reagents. Calcium sulphate dihydrate. Determination of nitrate content. Co/orimetric method
JUS H.G8.382-1989 Reagents. Calciuin nitrata tetrahvdrate. Detarninatior. of calciun nitrate tetrahvdrate -ontent. EDTA(di-sodiun sait) conplexonezric method
JUS H.G8.196-1985 Reagents. Ammonium chloride. Determination of nitrate content. Colorimetric method

HU-MSZT, hydrochloric acid nitric acid microwave

RU-GOST R, hydrochloric acid nitric acid microwave

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 R 51454-1999 Caseins and caseinates. Method of determination of nitrate and nitrite contents
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
GOST EN 12014-2-2014 Foodstuffs. Determination of nitrate and/or nitrite content. Part 2. HPLC/IC method for the determination of nitrate content of vegetables and vegetable products
GOST R 50465-1993 Fodder, mixed fodder and animal feed raw stuff. Methods of nitrate and nitrite determination
GOST 8558.2-1978 Meat products. Method for determination of nitrate
GOST 10671.2-1974 Reagents. Methods for determination of nitrates
GOST 26488-1985 Soils. Determination of nitrates by CINAO methods
GOST R 50706.3-1994 Nitric acid for industrial use. Determination of sulphated ash. Gravimetric method
GOST 8558.1-1978 Meat products. Methods for determination of nitrit
GOST 10671.3-1974 Reagents. Methods for determination of nitrites
GOST 18826-1973 Drinking water. Methods for determination of nitrates content
GOST 29270-1991 Fruit and vegetable products. Method for determination of nitrates
GOST 10671.2-2016 Reagents. Methods for determination of nitrates impurity
GOST 8558.1-2015 Meat products. Methods for determination of nitrite
GOST 13496.19-1993 Fodder, mixed fodder and animal feed raw stuff. Methods of nitrate and nitrite determination
GOST 26951-1986 Soils. Determination of nitrate byionometric method
GOST R 51821-2001 Vodkas and special vodkas. Ion chromatography method of determination of potassium, sodium, ammonium, calcium, magnesium, strontium cations and fluorides, chlorides, nitrates, nitrites, phosphates and sulphates anions mass concentration
GOST 10671.3-2016 Reagents. Methods for determination of nitrites impurity
GOST 27753.7-1988 Greenhouse grounds methods for determination of nitrate nitrogen
GOST 29300-1992 Meat and meat products. Determination of nitrate content
GOST 8.626-2013 State system for ensuring the traceability of measurements. Instruments for determination the nitrites and nitrates in food. Verification procedure
GOST 8558.2-2016 Meat and meat products. Method of nitrates determination
GOST 29299-1992 Meat and meat products. Determination of nitrite content
GOST 21119.11-1992 General methods of test for pigments and extenders. Determination of water-soluble sulphates, chlorides and nitrates
GOST R 56375-2015 Feedstuffs, compound feeds, feed raw materials. Determination of mass fraction of chloride, sulfate, nitrate and phosphate ions using capillary electrophoresis

Group Standards of the People's Republic of China, hydrochloric acid nitric acid microwave

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
T/QAS 01-2017 Solar high temperature molten salt potassium nitrate
T/SHCTA 001-2023 P·SM 52.5 micron steel slag Portland cement

American Society for Testing and Materials (ASTM), hydrochloric acid nitric acid microwave

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

Professional Standard - Agriculture, hydrochloric acid nitric acid microwave

GB/T 5009.33-1996 Determination method of nitrite and nitrate in food
NY/T 1375-2007 Determination of Nitrite and Nitrate in Plant Products Ion Chromatography Method
KJ 201704 Rapid detection of nitrite in food by naphthalene ethylenediamine hydrochloride method
GB 13085-1991 Determination method of nitrite in feed
SN/T 5051-2018 Determination of Fluoride, Chloride, Sulfate and Nitrate in Water-Soluble Phosphates by Ion Chromatography

Taiwan Provincial Standard of the People's Republic of China, hydrochloric acid nitric acid microwave

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
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 6391-2008 Method of test for meat and meat products - Determination of nitrate content

中华人民共和国环境保护部, hydrochloric acid nitric acid microwave

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
GB 7480-1987 Water quality-Determination of nitrate-Spectrophotometric method with phenol disulfonic acid
GB 7493-1987 Water quality-Determination of nitrogen (nitrite)-Spectrophotometric method

BE-NBN, hydrochloric acid nitric acid microwave

NBN V 21-027-1982 Cheese - Determination of nitrate and nitrite contents - Reference method
NBN V 21-028-1982 Dried milk and whey powder - Determination of nitrate and nitrite contents -Reference method
NBN T 03-039-1979 Nitric acid for industrial use - Determination of sulphated ash - Gravimetrie method
NBN T 03-042-1979 Nitric acid for industrial use - Determination of sulphate content - Method by reduction and titrimetry

RO-ASRO, hydrochloric acid nitric acid microwave

STAS 10314-1984 MILK AND MILK PRODUCTS Determination of nitrites and nitrates content
STAS 8620-1970 SULPHITEPULP FOR NITRATING
STAS 3048/1-1977 DRINKING WATE& Determination of nitrates
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 12999-1991 SEA WATER Azotates content determination
STAS 11581-1983 VEGETABLE AND FRUIT PRODUCTSAND VEGETABLE WITH MEAT PRODUCTS Determination of nitrate and nitrite contents
STAS 12754-1989 SEA WATER Nitrites content determination
STAS 8900/1-1971 SURFACE AND WASTE WATERS Nitrate determination
STAS 8900/2-1971 SURFACE AND WASTE WATERS Nitrite determination
STAS SR ISO 6777:1996 Water quality - Determination of nitrite - Molecular absorption spectrometric method
SR ISO 4176:1981 Fertilizers. Determination of nitrate nitrogen content. Nitrogen gravimetric method
STAS 9065/9-1974 MliAT AND MEAT PRODUCTS Determination of nitrite content

PL-PKN, hydrochloric acid nitric acid microwave

PN A82114-1974 Mea? and meat produc?s Determinalion of nitrites and ni?ra?es
PN BN 6191-05-1963
PN A75112-1992 Fruits, vegetables and derived products. Determination of nitrites and nitrates content
PN-EN 12014-2-2018-01 P Foodstuffs--Determination of nitrate and/or nitrite content--Part 2: HPLC/IC method for the determination of nitrate content of vegetables and vegetable products
PN C04536-1986 Reagents Determination of smali quantities of nitrites
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 C04404-09-1986 Pigments for paints General methods of test Determination of water-soluble sulphates, chlorides and nitrates

Japanese Industrial Standards Committee (JISC), hydrochloric acid nitric acid microwave

JIS K 8553:1961 Zirconyl nitrate
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 0400-35-30:1999 Water quality -- Determination of dissolved fluoride, chrolide, nitrite, orthophosphate, bromide, nitrate and sulfate ions, using liquid chromatography of ions Part 1: Method for water with low contamination
JIS K 8714:1994 Disodium 1-nitroso-2-naphthol-3,6-disulfonate
JIS K 0400-35-10:1999 Water quality -- Determination of chloride -- Silver nitrate titration with chromate indicator (Mohr's method)

NO-SN, hydrochloric acid nitric acid microwave

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

SE-SIS, hydrochloric acid nitric acid microwave

SIS SS 02 81 33-1991 Determination of the sum of the nitrite and nitrate nitrogen content of water
SIS 16 26 30-1974 Rubber type 63 (nitrite rubber, NBR)

International Organization for Standardization (ISO), hydrochloric acid nitric acid microwave

ISO 14869-3:2017 Soil quality - Dissolution for the determination of total element content - Part 3: Dissolution with hydrofluoric, hydrochloric and nitric acids using pressurised microwave technique
ISO 6736:1982 Dried milk; Determination of nitrate and nitrite contents; Method by cadmium reduction and photometry
ISO 8195:1987 Caseins and caseinates; Determination of nitrate and nitrite contents; Method by cadmium reduction and spectrometry
ISO 4099:1984 Cheese; Determination of nitrate and nitrite contents; Method by cadmium reduction and photometry
ISO 4099:1978 Cheese — Determination of nitrate and nitrite contents — Method by cadmium reduction and photometry
ISO 6739:1988 Whey cheese; determination of nitrate and nitrite contents; method by cadmium reduction and spectrometry
ISO/DIS 7158 Meat and meat products — Determination of nitrite and nitrate content — Ion chromatography method
ISO/FDIS 7158:2023 Meat and meat products — Determination of nitrite and nitrate content — Ion chromatography method
ISO 6740:1985 Dried whey; Determination of nitrate and nitrite contents; Method by cadmium reduction and spectrometry
ISO 15923-1:2013 Water quality.Determination of selected parameters by discrete analysis systems.Part 1: Ammonium, nitrate, nitrite, chloride, orthophosphate, sulfate and silicate with photometric detection
ISO 6739:1982 Whey cheese — Determination of nitrate and nitrite contents — Method by cadmium reduction and photometry
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 1983:1977 Nitric acid for industrial use; Determination of sulphated ash; Gravimetric method
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
ISO 6635:1984 Fruits, vegetables and derived products; Determination of nitrite and nitrate content; Molecular absorption spectrometric method
ISO 14673-1:2004 | IDF 189-1:2004 Milk and milk products — Determination of nitrate and nitrite contents — Part 1: Method using cadmium reduction and spectrometry
ISO 14673-1:2001 | IDF 189-1: 2001 Milk and milk products — Determination of nitrate and nitrite contents — Part 1: Method using cadmium reduction and spectrometry
ISO 14673-1:2001 Milk and milk products - Determination of nitrate and nitrite contents - Part 1: Method using cadmium reduction and spectrometry
ISO 14673-1:2004 Milk and milk products - Determination of nitrate and nitrite contents - Part 1: Method using cadmium reduction and spectrometry
ISO 14673-1:2004|IDF 189-1:2004 Determination of nitrate and nitrite content in milk and dairy products Part 1: Cadmium reduction and spectroscopic methods
ISO 14673-2:2001 Milk and milk products - Determination of nitrate and nitrite contents - Part 2: Method using segmented flow analyses (Routine method)
ISO 14673-2:2004 Milk and milk products - Determination of nitrate and nitrite contents - Part 2: Method using segmented flow analysis (Routine method)
ISO 14673-2:2004|IDF 189-2:2004 Determination of nitrate and nitrite content in milk and dairy products Part 2: Stratified flow analysis method (conventional method)
ISO 10304-1:2007/Cor 1:2010 Water quality - Determination of dissolved anions by liquid chromatography of ions - Part 1: Determination of bromide, chloride, fluoride, nitrate, nitrite, phosphate and sulfate; Technical Corrigendum 1
ISO 14673-2:2001 | IDF 189-2: 2001 Milk and milk products — Determination of nitrate and nitrite contents — Part 2: Method using segmented flow analysis (Routine method)
ISO 14673-2:2004 | IDF 189-2:2004 Milk and milk products — Determination of nitrate and nitrite contents — Part 2: Method using segmented flow analysis (Routine method)
ISO 3328:1975 Nitric acid for industrial use; Determination of sulphate content; Method by reduction and titrimetry
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 7890-3:1988 Water quality; determination of nitrate; part 3: spectrometric method using sulfosalicylic acid
ISO/TS 14256-1:2003 Soil quality - Determination of nitrate, nitrite and ammonium in field-moist-soils by extraction with potassium chloride solution - Part 1: Manual method
ISO 13395:1996 Water quality - Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection
ISO 14673-1:2001/Cor 1:2002 Milk and milk products — Determination of nitrate and nitrite contents — Part 1: Method using cadmium reduction and spectrometry — Technical Corrigendum 1
ISO 10356:1996 Cinematography - Storage and handling of nitrate-base motion-picture films
ISO/DIS 21438-2 Workplace atmospheres — Determination of inorganic acids by ion chromatography — Part 2: Volatile acids, except hydrofluoric acid (hydrochloric acid, hydrobromic acid and nitric acid)
ISO/FDIS 21438-2:2023 Workplace atmospheres — Determination of inorganic acids by ion chromatography — Part 2: Volatile acids, except hydrofluoric acid (hydrochloric acid, hydrobromic acid and nitric acid)
BS EN ISO 14673-3:2004 Milk and milk products - Determination of nitrate and nitrite contents - Method using cadmium reduction and flow injection analysis with in-line dialysis (routine method)
ISO 14673-2:2001/Cor 1:2002 Milk and milk products — Determination of nitrate and nitrite contents — Part 2: Method using segmented flow analysis (Routine method) — Technical Corrigendum 1
ISO 14673-3:2004 Milk and milk products - Determination of nitrate and nitrite contents - Part 3: Method using cadmium reduction and flow injection analysis with in-line dialysis (Routine method)
ISO 14673-3:2004|IDF 189-3:2004 Determination of nitrate and nitrite content in milk and dairy products Part 3: Line dialysis cadmium reduction and flow injection analysis method (conventional method)
ISO 15517:2003 Tobacco - Determination of nitrate content - Continuous-flow analysis method
ISO 3091:1975 Meat and meat products; determination of nitrate content (reference method)
ISO 6777:1984 Water quality; Determination of nitrite; Molecular absorption spectrometric method

AT-ON, hydrochloric acid nitric acid microwave

ONORM M 6283-1990 Water analysis; determination of fluoride, Chloride, nitrite, Phosphate, bromide, nitrate and sulfate by Ion exchange chromatography
ONORM DIN 10338-1992 Determination of nitrate and nitrite contents of cheese - Method by cadmium reduction
ONORM M 6289-1991 Water quality - Determination of chloride Silver nitrate titration with Chromate indicator (Mohr's method)
ONORM M 6238 Teil.1-1986 Water analysis; determination ofnitrate; 2,6-dimethylphenol spectrometric method
ONORM M 6282-1987 Water analysis; determination ofnitrite; 4-aminobenzene Sulfonamide — N-(l-naphthyl)-1,2-diaminoethane-dihydrochloride spectrometric method

VN-TCVN, hydrochloric acid nitric acid microwave

TCVN 7257-2003 Tobacco and tobacco products.Determination of total nitrate and nitrite contents
TCVN 7814-2007 Foodstuffs.Determination of nitrate and/or nitrite content.Part 2: HPLC/LC method for the determination of nitrade content of vegetables and vegetable products
TCVN 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 2318-1978 Reagents.Methods for the determination of nitrates
TCVN 2323-1978 Reagents.Methods for the determination of nitrites
TCVN 7767-2007 Fruits, vegetables and derived products.Determination of nitrite and nitrate content.Molecular absorption spectrometric method
TCVN 6268-1-2007 Milk and milk products.Determination of nitrate and nitrite contents.Part 1: Method using cadmium reduction and spectrometry
TCVN 6268-2-2007 Milk and milk products.Determination of nitrate and nitrite contents.Part 2: Method using segmented flow analysis (Routine method)
TCVN 6180-1996 Water quality.Determination of nitrate.Spectrometric method using sulfosalicylic acid sunfosalixilic
TCVN 6268-3-2007 Milk and milk products.Determination of nitrate and nitrite contents.Part 3: Method using cadmium reduction and flow injection analysis with in-line dialysis (Routine method)
TCVN 6178-1996 Water quality.Determination of nitrite.Molecular absorption spectrometric method

Professional Standard - Commodity Inspection, hydrochloric acid nitric acid microwave

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

Korean Agency for Technology and Standards (KATS), hydrochloric acid nitric acid microwave

KS H ISO 4099:2001 Cheese－Determination of nitrate and nitrite contents－Method by cadmium reduction and photometry
KS H ISO 4099:2006 Cheese－Determination of nitrate and nitrite contents－Method by cadmium reduction and photometry
KS H ISO 6736:2006 Dried milk－Determination of nitrate and nitrite contents－Method by cadmium reduction and photometry
KS H ISO 6736:2001 Dried milk－Determination of nitrate and nitrite contents－Method by cadmium reduction and photometry
KS H ISO 8195:2001 Caseins and caseinates－Determination of nitrate and nitrite contents－Method by cadmium reduction and spectrometry
KS H ISO 8195:2006 Caseins and caseinates－Determination of nitrate and nitrite contents－Method by cadmium reduction and spectrometry
KS M 1043-2009 Nitrate ion standard solution
KS I 3220-2007(2017) Water quality－Determination of nitrate
KS H ISO 6740:2001 Dried whey－Determination of nitrate and nitrite contents－Method by cadmium reduction and spectrometry
KS H ISO 6740:2006 Dried whey－Determination of nitrate and nitrite contents－Method by cadmium reduction and spectrometry
KS I 3220-2007 Water quality－Determination of nitrate
KS M 1044-2009 Nitrite ion standard solution
KS H ISO 6739:2001 Whey cheese－Determination of nitrate and nitrite contents－Method by cadmium reduction and spectrometry
KS H ISO 6739:2006 Whey cheese－Determination of nitrate and nitrite contents－Method by cadmium reduction and spectrometry
KS 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 M 8393-2014 Manganese(Ⅱ) nitrate hexahydrate (Reagent)
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
KS I ISO 10304-1:2017 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 10304-2:2008 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 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 I ISO 14256-1:2009 Soil quality-Determination of nitrate, nitrite and ammonium in field-moist soils by extraction with potassium chloride solution-Part 1:Manual method
KS I ISO 13395:2008 Water quality-Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection
KS M ISO 10084:2013 Solid fertilizers-Determination of mineral-acid-soluble sulfate content-Gravimetric method
KS M ISO 10084:2006 Solid fertilizers-Determination of mineral-acid-soluble sulfate content-Gravimetric method
KS I ISO 17586:2022 Soil quality — Extraction of trace elements using dilute nitric acid
KS I ISO 21438-2:2019 Workplace atmospheres ― Determination of inorganic acids by ion chromatography ― Part 2: Volatile acids, except hydrofluoric acid (hydrochloric acid, hydrobromic acid and nitric acid)
KS I ISO 9297-2007(2017) Water quality－Determination of chloride－Silver nitrate titration with chromate indicator(Mohr''s method)
KS I ISO 21438-2:2013 Workplace atmospheres ― Determination of inorganic acids by ion chromatography ― Part 2: Volatile acids, except hydrofluoric acid (hydrochloric acid, hydrobromic acid and nitric acid)
KS I ISO 6777:2007 Water quality－Determination of nitrite－Molecular absorption spectrometric method
KS H ISO 15517:2007 Tobacco－Determination of nitrate content－Continuous-flow analysis method
KS H ISO 15517:2017 Tobacco－Determination of nitrate content－Continuous-flow analysis method

KR-KS, hydrochloric acid nitric acid microwave

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
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 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 I ISO 10304-1-2017 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
KS I ISO 17586-2022 Soil quality — Extraction of trace elements using dilute nitric acid
KS I ISO 21438-2-2019 Workplace atmospheres ― Determination of inorganic acids by ion chromatography ― Part 2: Volatile acids, except hydrofluoric acid (hydrochloric acid, hydrobromic acid and nitric acid)
KS I ISO 9297-2023 Water quality — Determination of chloride — Silver nitrate titration with chromate indicator(Mohr's method)

National Health Commission of the People's Republic of China, hydrochloric acid nitric acid microwave

GB 5009.33-2010 National food safety standard Determination of nitrite and nitrate in foods
GB 5009.33-2016 Determination of Nitrite and Nitrate in Food Safety National Standards

未注明发布机构, hydrochloric acid nitric acid microwave

BS 4267-7:1987(1999) Ammonium nitrate — Part 7 : Methods for determination of nitrite content
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
DIN EN 12014-1:1997 Foodstuffs – Determination of nitrate and/or nitrite content DIN Part 1: General considerations
BS 4267-4:1987(1999) Ammonium nitrate — Part 4 : Method for determination of sulphated ash
BS 4267-9:1987(1999) Ammonium nitrate — Part 9 : Method for determination of sulphate content
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

ES-AENOR, hydrochloric acid nitric acid microwave

ES-UNE, hydrochloric acid nitric acid microwave

UNE-EN 12014-2:2018 Foodstuffs - Determination of nitrate and/or nitrite content - Part 2: HPLC/IC method for the determination of nitrate content of vegetables and vegetable products

IN-BIS, hydrochloric acid nitric acid microwave

Professional Standard - Military and Civilian Products, hydrochloric acid nitric acid microwave

WJ 2641-2004 Standard substance specification for hydroxylamine nitrate and triethanolamine nitrate series

GOSTR, hydrochloric acid nitric acid microwave

GOST R 58859-2020 Nitrite pickling mixter for meat products. Specifications

ANSI - American National Standards Institute, hydrochloric acid nitric acid microwave

IT4.206-1984 Photography (Chemicals) - 5-Nitrobenzimidazole Nitrate

Indonesia Standards, hydrochloric acid nitric acid microwave

SNI 06-2484-2002 Test methods for nitrite content in water by colorymetry
SNI 19-1662-1989 Water and waste water, Test method for nitrite content

Professional Standard - Light Industry, hydrochloric acid nitric acid microwave

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, hydrochloric acid nitric acid microwave

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

TR-TSE, hydrochloric acid nitric acid microwave

TS 1807-1975 AMMONIUM NITRATE FOR INDUSTRIAL USE — DETERMINATION OF FREE ACIDITY — VOLUMETRIC METHOD
TS 2464-1976 NITRICACIDFORINDUSTMALUSEDETERMINATION OF SULPHATED RESIDUE ON IGNITION GRAVIMETRIC METHOD
TS 2467-1976 NITRIC ACID FOR INDUSTRIAL USE DETERMINATION OF SULPHATE CONTENT METHOD BY REDUCTION AND TITRIMETRY
TS 2612-1977 General Methods of Test Fo? Pigments Patt?m Determination of Water - Solnble Sulphates, Chlorides And Nitrates
TS 3308-1979 METHODS FOR THE ANALYSIS OF WATER DETERMINATION OF THE NITRATE CONTENT

Professional Standard - Environmental Protection, hydrochloric acid nitric acid microwave

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

National Information Standard Organization, hydrochloric acid nitric acid microwave

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

Professional Standard - Public Safety Standards, hydrochloric acid nitric acid microwave

GA/T 1946-2021 Forensic Science Hydrochloric, Sulfuric and Nitric Acid Test Chemistry and Ion Chromatography

American National Standards Institute （ANSI), hydrochloric acid nitric acid microwave

ANSI/NAPM IT4.206-1984 Photography (Chemicals) - 5-Nitrobenzimidazole Nitrate

(U.S.) Ford Automotive Standards, hydrochloric acid nitric acid microwave

FORD M4B23-A-1988 HEAT TREAT SALT, NITRATE (LOW TEMPERATURE)
FORD FLTM AK 113-1-2001 QUANTITATIVE ANALYSIS OF NITRATE (NO3) IN CLEANERS
FORD FLTM AK 103-2-2001 QUANTITATIVE ANALYSIS OF NITRITE (AS NO2) IN CLEANERS
FORD FLTM AK 113-01-2001 QUANTITATIVE ANALYSIS OF NITRATE (NO3) IN CLEANERS

FI-SFS, hydrochloric acid nitric acid microwave

SFS 2015-1969

API - American Petroleum Institute, hydrochloric acid nitric acid microwave

API 27-30842-1976 EFFECTS OF NITRATE AND / OR SULFATE AEROSOLS UPON CARDIOPULMONARY FUNCTION - FINAL REPORT

CEN - European Committee for Standardization, hydrochloric acid nitric acid microwave

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

International Dairy Federation (IDF), hydrochloric acid nitric acid microwave

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

国家市场监督管理总局、中国国家标准化管理委员会, hydrochloric acid nitric acid microwave

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

PT-IPQ, hydrochloric acid nitric acid microwave

NP 64-1961

Professional Standard - Petrochemical Industry, hydrochloric acid nitric acid microwave

SH/T 1498.4-1997 Nylon 66 salt.Determination content of pseudo nitric acid
SH/T 1498.6-1997 Nylon 66 salt.Determination of content of nitrates.Spectrophotometric method

National Metrological Verification Regulations of the People's Republic of China, hydrochloric acid nitric acid microwave

JJG 656-2013 Verification Regulation of Nitrate-Nitrogen Automatic Analyzers

中华人民共和国国家质量监督检验检疫总局、中国国家标准化管理委员会, hydrochloric acid nitric acid microwave

GB/T 35496-2017 Chemical reagent—General method for the determination of nitrate

Professional Standard - Chemical Industry, hydrochloric acid nitric acid microwave

HG/T 3407-2010 Scarlet base RC (2- Methoxy-5-nitroaniline hydrochloride)

Professional Standard - Water Conservancy, hydrochloric acid nitric acid microwave

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

General Motors Corporation (GM), hydrochloric acid nitric acid microwave

GM 9986088-1995 Nitrite Additive for Long Life Coolant

Military Standards (MIL-STD), hydrochloric acid nitric acid microwave

DOD A-A-51927 A-1992 BUTOCONAZOLE NITRATE CREAM, VAGINAL [Use In Lieu Of: DOD A-A-0051927]

National Metrological Technical Specifications of the People's Republic of China, hydrochloric acid nitric acid microwave

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

GM North America, hydrochloric acid nitric acid microwave

GM 9986022-1995 Hollow Ceramic Microspheres, (Alkali Aluminum Silicate)

Military Standard of the People's Republic of China-Commission of Science,Technology and Industry for National Defence, hydrochloric acid nitric acid microwave

GJB 5381.14-2005 Methods of chemical analysis for pyrotech. Part 14: Determination of strontium nitrate strontium carbonate content. Sulfate method

Military Standard of the People's Republic of China-General Armament Department, hydrochloric acid nitric acid microwave

GJB 8682.14-2015 Methods for chemical analysis of pyrotechnics Part 14: Determination of strontium nitrate and strontium carbonate content Sulfate method

CU-NC, hydrochloric acid nitric acid microwave

NC 93-01-115-1987 Standards System for Environment Protection. Hydrosphere. Determination of Nitrite
NC 93-01-113-1988 Standards System for Environment Protection. Hydrosphere. Determination of Nitrates