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Directed reduction of nitro

Directed reduction of nitro, Total:145 items.

In the international standard classification, Directed reduction of nitro involves: Milk and milk products, Air quality, Inorganic chemicals, Water quality, Analytical chemistry, General methods of tests and analysis for food products, Meat, meat products and other animal produce, Fruits. Vegetables, Non-ferrous metals, Products of the chemical industry, Nuclear energy engineering, Biology. Botany. Zoology, Geology. Meteorology. Hydrology, Organic chemicals, Fertilizers, Laboratory medicine, Metalliferous minerals, Fishing and fish breeding, Microbiology.

Professional Standard - Speciality, Directed reduction of nitro

ZB G24001-1987 O-phenylenediamine prepared by reduction of o-nitroaniline

American Society for Testing and Materials (ASTM), Directed reduction of nitro

ASTM D7781-23 Standard Test Method for Nitrite-Nitrate in Water by Nitrate Reductase
ASTM D4936-05 Standard Test Method for Mercaptobenzothiazole Sulfenamide Assay by Reduction/Titration
ASTM D4936-10(2019) Standard Test Method for Mercaptobenzothiazole Sulfenamide Assay by Reduction/Titration
ASTM D4936-10 Standard Test Method for Mercaptobenzothiazole Sulfenamide Assay by Reduction/Titration
ASTM D4936-10(2023) Standard Test Method for Mercaptobenzothiazole Sulfenamide Assay by Reduction/Titration
ASTM D4936-96 Standard Test Method for Mercaptobenzothiazole Sulfenamide Assay by Reduction/ Titration
ASTM D4936-96(2001) Standard Test Method for Mercaptobenzothiazole Sulfenamide Assay by Reduction/ Titration
ASTM D4936-10(2015) Standard Test Method for Mercaptobenzothiazole Sulfenamide Assay by Reduction/Titration

Association Francaise de Normalisation, Directed reduction of nitro

NF V04-292:1986 Dried whey. 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 T20-287:1982 Nitric acid for industrial use. Determination of sulphate content. Method by reduction and titrimetry.
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 V04-390:1988 Caseins and caseinates. Determination of nitrate and nitrite contents. Method by cadmium reduction and spectrometry.
NF EN ISO 14673-1:2004 Lait et produits laitiers - Détermination des teneurs en nitrates et en nitrites - Partie 1 : méthode par réduction au cadmium et spectrométrie
NF 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 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 T77-150:1986 Basic silicones for industrial use. Determination of hydroxyl groups. Methods by reduction with lithium-aluminium hydride.
NF EN 12014-7:1998 Produits alimentaires - Détermination de la teneur en nitrates et/ou en nitrites - Partie 7 : détermination de la teneur en nitrates par flux continu dans les légumes et les produits à base de légumes, après réduction au cadmium.
NF V04-172-3*NF EN ISO 14673-3:2004 Milk and milk products - Determination of nitrate and nitrite contents - Part 3 : method using cadmium reduction and flow injection analysis with in-line dialysis (Routine method).
NF EN ISO 14673-3:2004 Lait et produits laitiers - Détermination des teneurs en nitrates et en nitrites - Partie 3 : méthode par réduction au cadmium et d'analyse par injection de flux avec dialyse en ligne (Méthode de routine)
NF EN ISO 20541:2008 Lait et produits laitiers - Détermination de la teneur en nitrates - Méthode par réduction enzymatique et spectrométrie d'absorption moléculaire après réaction de Griess
NF M60-402*NF ISO 8298:2001 Nuclear fuel technology - Determination of milligram amounts of plutonium in nitric acid solutions - Potentiometric titration with potassium dichromate after oxidation by Ce(IV) and reduction by Fe(II).
NF ISO 8298:2001 Technologie du combustible nucléaire - Détermination de quelques milligrammes de plutonium dans des solutions d'acide nitrique - Titrage potentiométrique avec le dichromate de potassium après oxydation par le Ce(IV) et réduction par le Fe(II)
NF A22-405*NF ISO 7990:1986 Manganese ores and concentrates. Determination of total iron content. Titrimetric method after reduction and sulfosalicylic acid spectrophotometric method.

AT-ON, Directed reduction of nitro

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

Korean Agency for Technology and Standards (KATS), Directed reduction of nitro

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 6740:2001 Dried whey－Determination of nitrate and nitrite contents－Method by cadmium reduction and spectrometry
KS H ISO 6740:2006 Dried whey－Determination of nitrate and nitrite contents－Method by cadmium reduction and spectrometry
KS H ISO 6739:2001 Whey cheese－Determination of nitrate and nitrite contents－Method by cadmium reduction and spectrometry
KS H ISO 6739:2006 Whey cheese－Determination of nitrate and nitrite contents－Method by cadmium reduction and spectrometry
KS H ISO 8151:2006 Dried milk－Determination of nitrate content－Method by cadmium reduction and spectrometry(Screening method)
KS H ISO 8151:2021 Dried milk — Determination of nitrate content — Method by cadmium reduction and spectrometry(Screening method)
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 H ISO 8151-2006(2016) Dried milk -- Determination of nitrate content -- Method by cadmium reduction and spectrometry (Screening method)
KS E ISO 7990-2002(2017) Manganese ores and concentrates－Determination of total iron content－Titrimetric method after reduction and sulfosalicylic acid spectrophotometric method
KS E ISO 7990-2002(2022) Manganese ores and concentrates－Determination of total iron content－Titrimetric method after reduction and sulfosalicylic acid spectrophotometric method
KS E ISO 7990:2002 Manganese ores and concentrates－Determination of total iron content－Titrimetric method after reduction and sulfosalicylic acid spectrophotometric method

KR-KS, Directed reduction of nitro

KS H ISO 6736-2001 Dried milk－Determination of nitrate and nitrite contents－Method by cadmium reduction and photometry
KS H ISO 4099-2001 Cheese－Determination of nitrate and nitrite contents－Method by cadmium reduction and photometry
KS H ISO 6740-2001 Dried whey－Determination of nitrate and nitrite contents－Method by cadmium reduction and spectrometry
KS H ISO 6739-2001 Whey cheese－Determination of nitrate and nitrite contents－Method by cadmium reduction and spectrometry
KS H ISO 8151-2021 Dried milk — Determination of nitrate content — Method by cadmium reduction and spectrometry(Screening method)
KS H ISO 8195-2001 Caseins and caseinates－Determination of nitrate and nitrite contents－Method by cadmium reduction and spectrometry

International Organization for Standardization (ISO), Directed reduction of nitro

ISO 6736:1982 Dried milk; Determination of nitrate and nitrite contents; Method by cadmium reduction and photometry
ISO 6740:1985 Dried whey; Determination of nitrate and nitrite contents; Method by cadmium reduction and spectrometry
ISO 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 3328:1975 Nitric acid for industrial use; Determination of sulphate content; Method by reduction and titrimetry
ISO 3329:1975 Ammonium nitrate for industrial use; Determination of content of sulphur compounds; Method by reduction and titrimetry
ISO 6739:1982 Whey cheese — Determination of nitrate and nitrite contents — Method by cadmium reduction and photometry
ISO 8151:1987 Dried milk; Determination of nitrate content; Method by cadmium reduction and spectrometry (Screening 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 8195:1987 Caseins and caseinates; Determination of nitrate and nitrite contents; Method by cadmium reduction and spectrometry
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
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 8298:1987 Determination of plutonium in nitric acid solutions — Method by oxidation by cerium(IV), reduction by iron(II) ammonium sulfate and amperometric back-titration with potassium dichromate
ISO 20541:2008 | IDF 197:2008 Milk and milk products — Determination of nitrate content — Method by enzymatic reduction and molecular-absorption spectrometry after Griess reaction
ISO 14673-3:2004 Milk and milk products - Determination of nitrate and nitrite contents - Part 3: Method using cadmium reduction and flow injection analysis with in-line dialysis (Routine method)
ISO 14673-3:2004|IDF 189-3:2004 Determination of nitrate and nitrite content in milk and dairy products Part 3: Line dialysis cadmium reduction and flow injection analysis method (conventional method)
ISO 14673-3:2001 Milk and milk products - Determination of nitrate and nitrite contents - Part 3: Method using cadmium and flow injection analysis with in-line dialysis (Routine method)
ISO 14673-3:2004 | IDF 189-3:2004 Milk and milk products — Determination of nitrate and nitrite contents — Part 3: Method using cadmium reduction and flow injection analysis with in-line dialysis (Routine method)
ISO 14673-3:2001 | IDF 189-3: 2001 Milk and milk products — Determination of nitrate and nitrite contents — Part 3: Method using cadmium reduction and flow injection analysis with in-line dialysis (Routine method)
ISO 8298:2000 Nuclear fuel technology - Determination of milligram amounts of plutonium in nitric acid solutions - Potentiometric titration with potassium dichromate after oxidation by CE(IV) and reduction by FE(II)
ISO 14673-3:2001/Cor 1:2002 Milk and milk products — Determination of nitrate and nitrite contents — Part 3: Method using cadmium reduction and flow injection analysis with in-line dialysis (Routine method) — Technical Corrigendum 1
ISO 7990:1985 Manganese ores and concentrates; Determination of total iron content; Titrimetric method after reduction and sulfosalicylic acid spectrophotometric method

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, Directed reduction of nitro

GB/T 15501-1995 Air quality--Determination of nitrobenzene (mononitro-and dinitro-compound)--Reduction by zine-N-(1-Naphthyl)ethylene diamine dihydrochloride spectrophotometric method

IN-BIS, Directed reduction of nitro

IS 9967-1981

BE-NBN, Directed reduction of nitro

NBN T 03-054-1979 Ammonium nitrate for industrial use - Determination of content of sulphur compounds - Method by reduction and titrimetry
NBN T 03-042-1979 Nitric acid for industrial use - Determination of sulphate content - Method by reduction and titrimetry

Yunnan Provincial Standard of the People's Republic of China, Directed reduction of nitro

DB53/T 624-2014 Determination of Nitrate Nitrogen and Nitrite Nitrogen in Coking Wastewater by Dairyler's Alloy Reduction-Neutralization Titration
DB53/T 591-2014 Rhodium nitrate chemical analysis method Determination of rhodium content Hydrogen reduction gravimetric method

VN-TCVN, Directed reduction of nitro

TCVN 6839-2001 Dried milk.Determination of nitrate content.Method by cadmium reduction and spectrometry(Screening method)
TCVN 6268-1-2007 Milk and milk products.Determination of nitrate and nitrite contents.Part 1: Method using cadmium reduction and spectrometry
TCVN 6268-3-2007 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)

British Standards Institution (BSI), Directed reduction of nitro

BS EN ISO 14673-1:2004 Milk and milk products - Determination of nitrate and nitrite contents - Method using cadmium reduction and spectrometry
BS 770-9:1985 Methods for chemical analysis of cheese. Determination of nitrate and nitrite contents. Cadmium reduction and photometry method
BS EN 12014-3:2005 Foodstuffs - Determination of nitrate and/or nitrite content - Spectrometric determination of nitrate and nitrite content of meat products after enzymatic reduction of nitrate to nitrite
BS EN 12014-7:1998 Foodstuffs - Determination of nitrate and/or nitrite content - Continuous flow method for the determination of nitrate content of vegetables and vegetable products after cadmium reduction
BS 1743 Sec.16.1:1983 Methods for analysis of dried milk and dried milk products. Determination of nitrate and nitrite contents. Method for dried milk by cadmium reduction
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

国家质量监督检验检疫总局, Directed reduction of nitro

SN/T 4589-2016 Improved cadmium reduction analysis method for rapid determination of nitrate in exported vegetables

CEN - European Committee for Standardization, Directed reduction of nitro

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

German Institute for Standardization, Directed reduction of nitro

DIN EN ISO 14673-1:2004 Milk and milk products - Determination of nitrate and nitrite contents - Part 1: Method using cadmium reduction and spectrometry (ISO 14673-1:2004); German version EN ISO 14673-1:2004
DIN EN ISO 14673-1:2004-05 Milk and milk products - Determination of nitrate and nitrite contents - Part 1: Method using cadmium reduction and spectrometry (ISO 14673-1:2004); German version EN ISO 14673-1:2004
DIN 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 12014-3:2005 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 12014-7:1998-08 Foodstuffs - Determination of nitrate and/or nitrite content - Part 7: Continuous flow method for the determination of nitrate content of vegetables and vegetable products after cadmium reduction; German version EN 12014-7:1998
DIN EN ISO 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 ISO 14673-3:2004-05 Milk and milk products - Determination of nitrate and nitrite contents - Part 3: Method using cadmium reduction and flow injection analysis with in-line dialysis (Routine method) (ISO 14673-3:2004); German version EN ISO 14673-3:2004
DIN EN ISO 20541:2008-12 Milk and milk products - Determination of nitrate content - Method by enzymatic reduction and molecular-absorption spectrometry after Griess reaction (ISO 20541:2008); German version EN ISO 20541:2008
DIN EN ISO 20541:2008 Milk and milk products - Determination of nitrate content - Method by enzymatic reduction and molecular-absorption spectrometry after Griess reaction (ISO 20541:2008); German version EN ISO 20541:2008
DIN 10103:1993 Microbiological analysis of meat and meat products; determination of mesophilic sulfite reducting clostridia; method with poured plates (reference method)

Danish Standards Foundation, Directed reduction of nitro

DS/EN 12014-3:2005 Foodstuffs – Determination of nitrate and/or nitrite content – Part 3: Spectrometric determination of nitrate and nitrite content of meat products after enzymatic reduction of nitrate to nitrite
DS/EN ISO 14673-1:2004 Milk and milk products - Determination of nitrate and nitrite contents - Part 1: Method using cadmium reduction and spectrometry
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 20541:2008 Milk and milk products - Determination of nitrate content - Method by enzymatic reduction and molecular-absorption spectrometry after Griess reaction
DS/EN ISO 14673-3:2004 Milk and milk products - Determination of nitrate and nitrite contents - Part 3: Method using cadmium reduction and flow injection analysis with in-line dialysis (Routine method)

Lithuanian Standards Office , Directed reduction of nitro

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 12014-7-2001 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 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 20541:2009 Milk and milk products - Determination of nitrate content - Method by enzymatic reduction and molecular-absorption spectrometry after Griess reaction (ISO 20541:2008)
LST EN ISO 14673-3:2004 Milk and milk products - Determination of nitrate and nitrite contents - Part 3: Method using cadmium reduction and flow injection analysis with in-line dialysis (Routine method) (ISO 14673-3:2004)

AENOR, Directed reduction of nitro

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 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-EN ISO 20541:2009 Milk and milk products - Determination of nitrate content - Method by enzymatic reduction and molecular-absorption spectrometry after Griess reaction (ISO 20541:2008)
UNE-EN ISO 14673-3:2004 Milk and milk products - Determination of nitrate and nitrate contents - Part 3: Method using cadmium reduction and flow injection analysis with in-line dialysis (Routine method) (ISO 14673-3:2004)

International Dairy Federation (IDF), Directed reduction of nitro

IDF 189-1-2001 Milk and milk products - Determination of nitrate and nitrite contents - Part 1: Method using cadmium reduction and spectrometry
IDF 189-3-2001 Milk and milk products - Determination of nitrate and nitrite contents - Part 3: Method using cadmium reduction and flow injection analysis with in-line dialysis (Routine method)

European Committee for Standardization (CEN), Directed reduction of nitro

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 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 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 12014-7:1998 Foodstuffs - Determination of nitrate and/or nitrite content - Part 7: Continuous flow method for the determination of nitrate content of vegetables and vegetable products after cadmium reduction
EN ISO 20541:2008 Milk and milk products - Determination of nitrate content - Method by enzymatic reduction and molecular-absorption spectrometry after Griess reaction (ISO 20541:2008)
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

Professional Standard - Non-ferrous Metal, Directed reduction of nitro

YS/T 938.1-2013 Chemical analysis methods of gold alloys and palladium alloys for dental ceramic restoration.Part 1:Determination of gold content.Gravimetry by sodium nitrite reduction
YS/T 953.8-2014 Methods for chemical analysis of fire smelting nickel substrate material.Part 8:Determination of iron content.Titanium trichloride reduction-potassium dichromate titrimetric method

RU-GOST R, Directed reduction of nitro

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 30181.9-1994 Mineral fertilizers. Method for determination of total mass fraction of nitrogen in compound fertilizers (distillation method using the chromium reduction of nitrate nitrogen and mineralization of organic nitrogen)

工业和信息化部, Directed reduction of nitro

YS/T 1319.1-2019 Methods for chemical analysis of tetraammine platinum nitrate Part 1: Determination of platinum content Hydrazine hydrate reduction method
YS/T 1207-2017 Chemical analysis method for the amount of ruthenium in alumina-based ruthenium materials Determination of the amount of ruthenium Hydrogen reduction gravimetric method
YS/T 1317-2019 1,3-Divinyl-1,1,3,3-tetramethyldisiloxane platinum (0) Chemical analysis method Determination of platinum content Hydrazine hydrate reduction method

国家市场监督管理总局、中国国家标准化管理委员会, Directed reduction of nitro

GB/T 40173-2021 Determination of reducing-end sugar in water-soluble chitosan—Spectrophotometric method

PL-PKN, Directed reduction of nitro

PN C04616-09-1987 Water and waste water Special tests for sediments Determination of the specific nitrate reductases activity of the microorganisms occuring in the denitrifying reactors by the spectrophotometric method
PN C04567 ArkusZ03-1971 Water and waste water. Study of silica content. Determination of reactive silica by colorimetric me- thod with ammonium molybdate and with metol as reductant

Professional Standard - Ocean, Directed reduction of nitro

HY/T 0346-2022 Determination of seawater trace nitrate—Flow analysis,cadmium reduction,diazotization and spectrophotometric detection with a long path length flow cell

Professional Standard - Energy, Directed reduction of nitro

DL/T 2354-2021 Measuring method of pyrolysis rate of urea in flue gas denitrification system by selective catalytic reduction method Ion selective electrode method

Professional Standard - Hygiene , Directed reduction of nitro

WS/T 27-1996 Urine.Separate Determination of organic,inorganic and total mercury.Selective reduction cold atomic absorption spectrometric method

RO-ASRO, Directed reduction of nitro

STAS SR ISO 7990:1996 Manganese ores and concentrates — Determination of total iron content - Titrirnetiic method after reriuction and sulfosalicylic acid spectrofotometric rnpthod

Professional Standard - Aerospace, Directed reduction of nitro

QJ 3140.3-2001 1,2,4-Butanetriol Analysis Method Part 3: Determination of Aldehyde and Reducing Substances in 1,2,4-Butanetriol

Shandong Provincial Standard of the People's Republic of China, Directed reduction of nitro

DB37/T 1779-2011 Determination of Nitrofuran Original Drug Residues in Aquatic Seeds by Liquid Chromatography-Tandem Mass Spectrometry

GOSTR, Directed reduction of nitro

GOST 32014-2012 Food products, food raw materials. Method of determination of the nitrofuran mytobolites by high performance liquid chromatography - mass spectrometry (HPLC-MS)
GOST 34533-2019 Food products, food raw materials. Method for determination of sulfonamides, nitroimidazoles, penicillins, amphenicols by high performance liquid chromatography - mass spectrometry

Professional Standard - Machinery, Directed reduction of nitro

JB/T 8063.5-1996 Powder metallurgy materials and products chemical analysis method Determination of tin in copper-based materials and products (sodium hypophosphite reduction-potassium iodate titration method)