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reduction method

reduction method, Total:214 items.

In the international standard classification, reduction method involves: Powder metallurgy, Mining and quarrying, Environmental protection, Metalliferous minerals, Non-metalliferous minerals, Inorganic chemicals, Iron and steel products, Products of the chemical industry, Fuels, Milk and milk products, Jewellery, Laboratory medicine, Organic chemicals, Testing of metals, Non-ferrous metals, Fertilizers, Nuclear energy engineering, Analytical chemistry, Paint ingredients, Food products in general.

CEN - European Committee for Standardization, reduction method

EN ISO 4491-4:2019 Metallic powders - Determination of oxygen content by reduction methods - Part 4: Total oxygen by reduction-extraction

European Committee for Standardization (CEN), reduction method

EN ISO 4491-4:2013 Metallic powders - Determination of oxygen content by reduction methods - Part 4: Total oxygen by reduction-extraction
prEN 24491-4-1992 Metallic powders; determination of oxygen content by reduction methods; part 4: total oxyen by reduction-extraction (ISO 4491-4:1989)
EN ISO 4491-1:2023 Metallic powders - Determination of oxygen content by reduction methods - Part 1: General guidelines (ISO 4491-1:2023)
EN ISO 4491-3:2006 Metallic powders - Determination of oxygen content by reduction methods - Part 3: Hydrogen-reducible oxygen
EN 24491-4:1993 Metallic Powders - Determination of Oxygen Content by Reduction Methods - Part 4: Total Oxygen by Reduction-Extraction (ISO 4491-4: 1989)
EN 24491-1:1993 Metallic powders; determination of oxygen content by reduction methods; part 1: general guidelines (ISO 4491-1:1989)
prEN 24491-2-1992 Metallic powders; determination of oxygen content by reduction methods; part 2: loss of mass on hydrogen reduction (hydrogen loss) (ISO 4491-2:1989)
EN 24491-2:1993 Metallic Powders - Determination of Oxygen Content by Reduction Methods - Part 2: Loss of Mass on Hydrogen Reduction (Hydrogen Loss) (ISO 4491-2: 1989)
FprEN ISO 4491-2 Metallic powders - Determination of oxygen content by reduction methods - Part 2: Loss of mass on hydrogen reduction (hydrogen loss) (ISO/FDIS 4491-2:2023)
EN ISO 4491-2:2023 Metallic powders - Determination of oxygen content by reduction methods - Part 2: Loss of mass on hydrogen reduction (hydrogen loss) (ISO 4491-2:2023)
EN ISO 4491-2:1999 Metallic Powders - Determination of Oxygen Content by Reduction Methods - Part 2: Loss of Mass on Hydrogen Reduction (Hydrogen Loss) [Superseded: CEN EN 24491-2]

IN-BIS, reduction method

Association Francaise de Normalisation, reduction method

NF EN ISO 4491-4:2019 Poudres métalliques - Dosage de l'oxygène par les méthodes de réduction - Partie 4 : oxygène total par réduction-extraction
NF ISO 9507:1990 Minerais de fer - Dosage du fer total - Méthode par réduction au chlorure de titane (III).
NF A20-410*NF ISO 9507:1990 Iron ores. Determination of total iron content. Titanium (III) chloride reduction methods.
NF A95-181-4*NF EN ISO 4491-4:2019 Metallic powders - Determination of oxygen content by reduction methods - Part 4 : total oxygen by reduction-extraction
NF EN ISO 4491-3:2006 Poudres métalliques - Dosage de l'oxygène par les méthodes de réduction - Partie 3 : oxygène réductible par l'hydrogène
NF EN ISO 4491-1:2023 Poudres métalliques - Dosage de l'oxygène par les méthodes de réduction - Partie 1 : directives générales
NF A95-181-3*NF EN ISO 4491-3:2006 Metallic powders - Determination of oxygen content by reduction methods - Part 3 : hydrogen-reducible oxygen
NF A95-181-3:1989 Metallic powders. Determination of oxygen content by reduction methods. Part 3 : hydrogen-reductible oxygen.
NF A95-181-4:2013 Metallic powders - Determination of oxygen content by reduction methods - Part 4: total oxygen by reduction-extraction
NF A95-181-4:1993 Metallic powders. Determination of oxygen content by reduction methods. Part 4: total oxygen by reduction-extraction
NF T20-287:1982 Nitric acid for industrial use. Determination of sulphate content. Method by reduction and titrimetry.
NF A95-181-1*NF EN 24491-1:1993 Metallic powders. Determination of oxygen content by reduction methods. Part 1 : general guidelines.
NF P18-621-2*NF EN 932-2:1999 Tests for general properties of aggregates. Part 2 : methods for reducing laboratory samples.
NF T77-150:1986 Basic silicones for industrial use. Determination of hydroxyl groups. Methods by reduction with lithium-aluminium hydride.
NF T20-428:1976 Sodium hydroxyde for industrial use. Determination of sulphur compounds. Method by reduction and titrimetry.
NF T20-387:1977 Potassium hydroxide for industrial use. Determination of sulphur compounds. Method by reduction and titrimetry.
NF V04-292:1986 Dried whey. Determination of nitrate and nitrite contents. Method by cadmium reduction and spectrometry.
NF A06-203:1995 Determination of platinum in platinum jewellery alloys. Gravimetric method after reduction with mercury(I) chloride.
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 EN ISO 4491-2:2023 Poudres métalliques - Dosage de l'oxygène par les méthodes de réduction - Partie 2 : perte de masse par réduction dans l'hydrogène (perte dans l'hydrogène)
NF A95-181-2*NF EN ISO 4491-2:1999 Metallic powders. Determination of oxygen content by reduction methods. Part 2 : loss of mass on hydrogen reduction (hydrogen loss).
NF ISO 14388-2:2014 Qualité du sol - Méthode de comptage acide-base pour les sols sulfatés acides - Partie 2 : méthode de sulfato réduction au chrome
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 T20-059:1982 Chemical products for industrial use. General method for determination of traces of sulphur compounds, as sulphate, by reduction and titrimetry.
NF V04-390:1988 Caseins and caseinates. Determination of nitrate and nitrite contents. Method by cadmium reduction and spectrometry.
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 A20-409:1990 Iron ores. Determination of total iron content. Silver reduction titrimetric method.

CZ-CSN, reduction method

CSN ISO 4491-4:1993 Metallic powders. Determination of oxygen content by reduction methods
CSN ISO 9507:1993 Iron ores. Determination of total iron content. Titanium (III) chloride reduction methods
CSN 68 4066-1983 Pure chemicals. Preparation of measuring solutions for oxidation-reduction titrations

British Standards Institution (BSI), reduction method

BS EN ISO 4491-4:2013 Metallic powders. Determination of oxygen content by reduction methods. Total oxygen by reduction-extraction
BS EN ISO 4491-4:2019 Tracked Changes. Metallic powders. Determination of oxygen content by reduction methods. Total oxygen by reduction-extraction
BS EN 24491-1:1993 Metallic powders - Determination of oxygen content by reduction methods - General guidelines
BS EN ISO 4491-1:2023 Metallic powders. Determination of oxygen content by reduction methods - General guidelines
BS EN ISO 4491-2:1999 Metallic powders - Determination of oxygen content by reduction methods - Loss of mass on hydrogen reduction (hydrogen loss)
BS EN ISO 4491-3:2006 Metallic powders - Determination of oxygen content by reduction methods - Hydrogen-reducible oxygen
BS 1748-6:1960 Methods for the analysis of copper alloys - Method for the determination of tin in copper alloys (nickel coil reduction method)
BS 7020 Sec.4.2:1990 Analysis of iron ores. Method for the determination of total iron content. Titanium (III) chloride reduction methods
BS 3338-2:1961 Methods for the sampling and analysis of tin and tin alloys - Method for the determination of tin in ingot tin (aluminium reduction method)
BS 5551-2.5:1989 Fertilizers. Sampling. Method for reduction of samples of solid fertilizers
BS 3338-11:1961 Methods for the sampling and analysis of tin and tin alloys - Method for the determination of tin in solders (nickel coil reduction method)
BS 7020-4.2:1990 Analysis of iron ores. Method for the determination of total iron content. Titanium (III) chloride reduction methods
BS 3338-16:1965 Methods for the sampling and analysis of tin and tin alloys - Method for the determination of tin in white metal bearing alloys (nickel coil reduction method)
BS 6337-1:1983 General methods of chemical analysis. Method for determination of traces of sulphur compounds by reduction and titrimetry

Professional Standard - Geology, reduction method

DZ/T 0184.19-1997 Determination of Hydrogen Isotope in Water by Zinc Reduction Method
DZ/T 0064.78-1993 Determination of Deuterium by Metal Zinc Reduction Method for Groundwater Quality
DZ/T 0064.55-1993 Groundwater Quality Examination Method Determination of Iodide by Catalytic Reduction Method

RU-GOST R, reduction method

GOST 27417-1998 Metallic powders. Determination of total oxygen by reduction - extraction
GOST 27417-1987 Metal powders. Methods for determination of oxygen
GOST 18897-1998 Metallic powders. Determination of oxygen content by reduction methods. Loss of mass on hydrogen reduction (hydrogen loss)
GOST 18897-1973 Metal powder. Method for determination of metal powders losses while heating it in hydrogen
GOST 28657-1990 Iron ores. Determination of reducibility
GOST 28658-1990 Iron ores. Determination of relative reducibility

未注明发布机构, reduction method

BS 3338-11:1961(2011) Method for The determination of tin in solders (Nickel coil reduction method)
BS 3338-2:1961(2011) Method for The determination of tin in ingot tin (Aluminium reduction method) — Methods for the sampling and analysis oftin and tin alloys
BS 3338-16:1965(2011) Method for The determination of tin in white metal bearing alloys (Nickel coil reduction method) — Methods for the sampling and analysis oftin and tin alloys
JIS M 8720:2023 Iron ores -- Determination of low-temperature reduction-disintegration

PL-PKN, reduction method

PN H04964-1991 Metallic powders. Determination of oxygen content by hydrogen-reducible method

工业和信息化部, reduction method

JB/T 14100-2020 Selective non-catalytic reduction flue gas denitrification device
YB/T 4861-2020 Technical specifications for medium-temperature selective catalytic reduction denitrification of sintering flue gas
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 1317-2019 1,3-Divinyl-1,1,3,3-tetramethyldisiloxane platinum (0) Chemical analysis method Determination of platinum content Hydrazine hydrate reduction method

German Institute for Standardization, reduction method

DIN EN ISO 4491-4:2019-09 Metallic powders - Determination of oxygen content by reduction methods - Part 4: Total oxygen by reduction-extraction (ISO 4491-4:2019); German version EN ISO 4491-4:2019 / Note: Applies in conjunction with DIN ISO 4491-1 (1990-06).
DIN EN ISO 4491-3:2006-06 Metallic powders - Determination of oxygen content by reduction methods - Part 3: Hydrogen-reducible oxygen (ISO 4491-3:1997); German version EN ISO 4491-3:2006
DIN ISO 4491-4:1990 Metallic powders; determination of oxygen content by reduction methods; total oxygen by reduction-extraction; identical with ISO 4491-4:1989
DIN ISO 4491-1:1990 Metallic powders; determination of oxygen content by reduction methods; general guidelines; identical with ISO 4491-1:1989
DIN EN ISO 4491-4:2019 Metallic powders - Determination of oxygen content by reduction methods - Part 4: Total oxygen by reduction-extraction (ISO 4491-4:2019)
DIN EN ISO 4491-3:2006 Metallic powders - Determination of oxygen content by reduction methods - Part 3: Hydrogen-reducible oxygen (ISO 4491-3:1997); English version of DIN EN ISO 4491-3:2006-06
DIN EN ISO 4491-4:2012 Metallic powders - Determination of oxygen content by reduction methods - Part 4: Total oxygen by reduction-extraction
DIN ISO 4491-2:1998 Metallic powders - Determination of oxygen content by reduction methods - Part 2: Loss of mass on hydrogen reduction (hydrogen loss) (ISO 4491-2:1997)
DIN EN ISO 4491-1:2023-07 Metallic powders - Determination of oxygen content by reduction methods - Part 1: General guidelines (ISO 4491-1:2023); German version EN ISO 4491-1:2023
DIN EN ISO 4491-4:2013 Metallic powders - Determination of oxygen content by reduction methods - Part 4: Total oxygen by reduction-extraction (ISO 4491-4:2013); German version EN ISO 4491-4:2013
DIN EN ISO 4491-2:2023-07 Metallic powders - Determination of oxygen content by reduction methods - Part 2: Loss of mass on hydrogen reduction (hydrogen loss) (ISO 4491-2:2023); German version EN ISO 4491-2:2023

ES-UNE, reduction method

UNE-EN ISO 4491-4:2020 Metallic powders - Determination of oxygen content by reduction methods - Part 4: Total oxygen by reduction-extraction (ISO 4491-4:2019)
UNE-EN ISO 4491-2:2000 ERRATUM:2006 Metallic powders. Determination of oxygen content by reduction methods. Part 2: Loss of mass on hydrogen reduction (Hydrogen loss) (ISO 4491-2:1997)

KR-KS, reduction method

KS D ISO 4491-4-2003(2023) Metallic powders - Determination of oxygen content by reduction methods Part 4 : Total oxygen by reduction-extraction
KS E ISO 10213-2021 Aluminium ores — Determination of total iron content —Titanium trichloride reduction method
KS D ISO 4491-1-2008(2023) Metallic powders — Determination of oxygen content by reduction methods — Part 1 : General guidelines
KS D ISO 4491-3-2008(2023) Metallic powders - Determination of oxygen content by reduction methods Part 3 : Hydrogen reducible oxygen
KS D ISO 4491-2-2008(2023) Metallic powders－Determination of oxygen content by reduction methods－Part 2：Loss of mass on hydrogen reduction (hydrogen loss)

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

GB/T 5158.4-2011 Metallic powders—Determination of oxygen content by reduction methods—Part 4:Total oxygen by reduction-extraction
GB/T 25948-2010 Aluminium ores.Determination of total iron content.Titanium trichloride reduction method
GB/T 6730.5-2007 Iron ores.Determination of total iron content.Titanium(Ⅲ)chloride reduction methods
GB/T 5158.1-2011 Metallic powders.Determination of oxygen content by reduction methods.Part 1: General guidelines
GB/T 5158.3-2011 Metallic powders.Determination of oxygen content by reduction methods.Part 3:Hydrogen-reducible oxygen
GB/T 5158.2-2011 Metallic powders.Determination of oxygen content by reduction methods.Part 2: Loss of mass on hydrogen reduction(Hydrogen loss)
GB/T 24235-2009 Iron ores for shaft direct-reduction feedstocks.Determination of the low temperature reduction-disintegration index and degree of metallization
GB 4469-1984 Test method for the reduction speed of vat dyes－Steam process
GB/T 4469-1984 Test method for the reduction speed of vat dyes--Steam process
GB/T 12737-1991 Chemical products for industrial use--General method for determination of traces of sulfate by reduction and titrimetry
GB/T 5513-1985 Inspection of grain and oilseeds--Methods for determination of reduced sugar and non-reduced sugar
GB/T 24225-2009 Chromium ores.Determination of total iron content.Titrimetric method after reduction

American Society for Testing and Materials (ASTM), reduction method

ASTM UOP357-80 Trace Sulfur in Petroleum Distillates by the Nickel Reduction Method
ASTM UOP381-63 Traces of Sulfur in Liquefied Petroleum Gases by the Nickel Reduction Method
ASTM D4468-85(2006) Standard Test Method for Total Sulfur in Gaseous Fuels by Hydrogenolysis and Rateometric Colorimetry
ASTM D4468-85(2011) Standard Test Method for Total Sulfur in Gaseous Fuels by Hydrogenolysis and
Rateometric Colorimetry
ASTM D4936-10 Standard Test Method for Mercaptobenzothiazole Sulfenamide Assay by Reduction/Titration
ASTM D4468-85(2000) Standard Test Method for Total Sulfur in Gaseous Fuels by Hydrogenolysis and Rateometric Colorimetry
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 D4468-85(2015) Standard Test Method for Total Sulfur in Gaseous Fuels by Hydrogenolysis and Rateometric Colorimetry

Korean Agency for Technology and Standards (KATS), reduction method

KS E ISO 9507-2012(2017) Iron ores－Determination of total iron content－Titanium(III) chloride reduction methods
KS E ISO 10213:2011 Aluminium ores－Determination of total iron content－Titanium trichloride reduction method
KS E ISO 9507:2012 Iron ores-Determination of total iron content-Titanium(III) chloride reduction methods
KS E ISO 10213:2021 Aluminium ores — Determination of total iron content —Titanium trichloride reduction method
KS D ISO 4491-4:2003 Metallic powders-Determination of oxygen content by reduction methods-Part 4:Total oxygen by reduction-extraction
KS D ISO 4491-1:2008 Metallic powders－Determination of oxygen content by reduction methods－Part 1：General guidelines
KS D ISO 4491-3:2008 Metallic powders-Determination of oxygen content by reduction methods-Part 3:Hydrogen reducible oxygen
KS E ISO 10213-2011(2016) Aluminium ores－Determination of total iron content－Titanium trichloride reduction method
KS E ISO 11257:2008 Iron ores for shaft direct-reduction feedstocks-Determination of the low-temperature reduction-disintegration index and degree of metallization
KS D ISO 4491-2-2008(2018) Metallic powders－Determination of oxygen content by reduction methods－Part 2：Loss of mass on hydrogen reduction (hydrogen loss)
KS D ISO 11489:2002 Determination of platinum in platinum jewellery alloys－Gravimetric determination by reduction with mercury(Ⅰ) chloride
KS D ISO 4491-2:2008 Metallic powders-Determination of oxygen content by reduction methods-Part 2:Loss of mass on hydrogen reduction (hydrogen loss)
KS D ISO 4491-3-2008(2018) Metallic powders - Determination of oxygen content by reduction methods Part 3 : Hydrogen reducible oxygen
KS E 3035-2008 Iron ores－Determination of reducibility
KS E ISO 6130-2011(2016) Chromium ores－Determination of total iron content－Titrimetric method after reduction
KS D ISO 4491-4-2003(2018) Metallic powders - Determination of oxygen content by reduction methods Part 4 : Total oxygen by reduction-extraction

RO-ASRO, reduction method

STAS SR EN 24491-4-1995 Metallic powders. Determination of oxygen content by reduction, methods. Part 4: Total oxygen by reduction-extraction
STAS SR EN 24491-1-1994 Metallic powders. Determination of oxygen content by reduction methods. Part 1: General guidelines
STAS SR EN 24491-2-1996 Metallic powders. Determination of oxygen content by reduction methods. Part 2: Loss of mass on hydrogen reduction (hydrogen loss)
STAS SR ISO 7097:1995 Determination of uranium in reactor fuel soiutions and in uranium product soiutions - Iron (II) sulfate reduction/potassium dichromate oxidation titrimetric method
STAS SR ISO 6228:1996 Chemical products for industrial use - General method for determination of traces of sulphur compounds, as sulphate, by reduction and titrimetry

Danish Standards Foundation, reduction method

DS/EN ISO 4491-4:2013 Metallic powders - Determination of oxygen content by reduction methods - Part 4: Total oxygen by reduction-extraction
DS/EN ISO 4491-3:2006 Metallic powders - Determination of oxygen content by reduction methods - Part 3: Hydrogen-reducible oxygen
DS/EN 24491-4:1993 Metallic powders. Determination of oxygen content by reduction methods. Part 4: Total oxygen by reduction-extraction
DS/EN 24491-1:1994 Metallic powders - Determination of oxygen content by reduction methods - Part 1: General guidelines
DS/ISO 4491-1:1994 Metallic powders - Determination of oxygen content by reduction methods - Part 1: General guidelines
DS 230:1988 Water quality. Nitrate- + nitrite-nitrogen. Reduction by Devardas alloy
DS/EN 24491-1:1993 Metallic powders. Determination of oxygen content by reduction methods. Part 1: General guidelines
DS/EN ISO 4491-2:2000 Metallic powders - Determination of oxygen content by reduction methods - Part 2: Loss of mass on hydrogen reduction (hydrogen loss)
DS/EN 24491-2:1993 Metallic powders. Determination of oxygen content by reduction methods. Part 2: Loss of mass on hydrogen reduction (hydrogen loss)

Professional Standard - Petrochemical Industry, reduction method

SH/T 0252-1992 Determination of Trace Sulfur in Light Petroleum Distillates (Nickel Reduction Method)

International Organization for Standardization (ISO), reduction method

ISO 9507:1990 Iron ores; determination of total iron content; titanium(III) chloride reduction methods
ISO 4491-4:2013 Metallic powders.Determination of oxygen content by reduction methods.Part 4: Total oxygen by reduction-extraction
ISO 4491-4:1989 Metallic powders; determination of oxygen content by reduction methods; part 4: total oxygen by reduction-extraction
ISO 10213:1991 Aluminium ores; determination of total iron content; titanium trichloride reduction method
ISO 4491-1:1989 Metallic powders; determination of oxygen content by reduction methods; part 1: general guidelines
ISO 4491-1:2023 Metallic powders — Determination of oxygen content by reduction methods — Part 1: General guidelines
ISO 4491-3:1989 Metallic powders; determination of oxygen content by reduction methods; part 3: hydrogen-reducible oxygen
ISO 11256:1998 Iron ore pellets - Determination of clustering of feedstock for direct reduction by gas reforming processes
ISO 11258:1999 Iron ores - Determination of reducibility and metallization of feedstock for direct reduction by gas reforming processes
ISO 4099:1978 Cheese — Determination of nitrate and nitrite contents — Method by cadmium reduction and photometry
ISO 11257:1998 Iron ores - Determination of disintegration and metallization of feedstock for direct reduction by gas reforming processes
ISO 4491-2:2023 Metallic powders — Determination of oxygen content by reduction methods — Part 2: Loss of mass on hydrogen reduction (hydrogen loss)
ISO 6739:1982 Whey cheese — Determination of nitrate and nitrite contents — Method by cadmium reduction and photometry
ISO 4491-2:1989 Metallic powders; determination of oxygen content by reduction methods; part 2: loss of mass on hydrogen reduction (hydrogen loss)
ISO 8195:1987 Caseins and caseinates; Determination of nitrate and nitrite contents; Method by cadmium reduction and spectrometry
ISO 7097:1983 Determination of uranium in reactor fuel solutions and in uranium product solutions; Iron (II) sulfate reduction/potassium dichromate oxidation titrimetric method
ISO 4491-4:2019 Metallic powders — Determination of oxygen content by reduction methods — Part 4: Total oxygen by reduction-extraction

Professional Standard - Military and Civilian Products, reduction method

WJ 36-2005 Test method of nitrocellulose.Nitrogen content.Devarda alloy reduction method

VN-TCVN, reduction method

TCVN 6638-2000 Water quality.Determination of nitrogen.Catalytic digestion after reduction with devarda's alloy

工业和信息化部/国家能源局, reduction method

JB/T 12911-2016 Injection system of selective non-catalytic reduction flue gas denitrification device
JB/T 13561-2018 Urea hydrolysis ammonia production equipment for selective catalytic reduction flue gas denitrification device

US-CFR-file, reduction method

CFR 26-602.101-2015 Internal Revenue. Part602:Omb control numbers under the paperwork reduction act. Section602.101:Omb control numbers under the paperwork reduction act.

Professional Standard - Machinery, reduction method

JB/T 12534-2015 Ammonia injection and mixing device for selective catalytic reduction (SCR) flue gas denitration system
JB/T 12539-2015 Technical condition for operation of flue gas selective non-catalytic reduction denitration system
JB/T 11888-2014 Process design guide for flue gas selective catalytic reductiondenitration reactor

Lithuanian Standards Office , reduction method

LST EN 24491-4-2000 Metallic powders - Determination of oxygen content by reduction methods - Part 4: Total oxygen by reduction-extraction (ISO 4491-4:1989)
LST EN ISO 4491-3:2006 Metallic powders - Determination of oxygen content by reduction methods - Part 3: Hydrogen-reducible oxygen (ISO 4491-3:1997)
LST EN 24491-1-2000 Metallic powders - Determination of oxygen content by reduction methods - Part 1: General guidelines (ISO 4491-1:1989)
LST EN ISO 4491-2:2000 Metallic powders - Determination of oxygen content by reduction methods - Part 2: Loss of mass on hydrogen reduction (hydrogen loss) (ISO 4491-2:1997)

AENOR, reduction method

UNE-EN ISO 4491-4:2014 Metallic powders - Determination of oxygen content by reduction methods - Part 4: Total oxygen by reduction-extraction (ISO 4491-4:2013)
UNE-EN ISO 4491-3:2007 Metallic powders - Determination of oxygen content by reduction methods - Part 3: Hydrogen-reducible oxygen (ISO 4491-3:1997)
UNE-EN 24491-1:2001 METALLIC POWDERS. DETERMINATION OF OXIGEN CONTENT BY REDUCTION METHODS. PART 1: GENERAL GUIDELINES. (ISO 4491-1:1989).
UNE-EN ISO 4491-2:2000 METALLIC POWDERS. DETERMINATION OF OXYGEN CONTENT BY REDUCTION METHODS. PART 2: LOSS OF MASS ON HYDROGEN REDUCTION (HYDROGEN LOSS) (ISO 4491-2:1997)

AT-ON, reduction method

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

Professional Standard - Environmental Protection, reduction method

HJ 562-2010 Engineering technical specification of flue gas selective catalytic reduction denitration for thermal power plant
HJ 563-2010 Engineering technical specification of flue gas selective non-catalytic reduction denitration for thermal power plant

NL-NEN, reduction method

NEN-ISO 4491-4:1993 Metallic powders. Determination of oxygen content by reduction methods. Part 4: Total oxygen by reduction-extraction (ISO 4491-4:1989)
NEN-ISO 4491-1:1993 Metallic powders. Determination of oxygen content by reduction methods. Part 1: General guidelines (ISO 4491-1:1989)
NEN-ISO 4491-2:1993 Metallic powders. Determination of oxygen content by reduction methods. Part 2: Loss of mass on hydrogen reduction (hydrogen loss) (ISO 4491-2:1989)

BE-NBN, reduction method

NBN T 03-198-1980 Potassium hydroxide for industrial use - Determination of sulphur compounds - Method by reduction and titrimetry

Professional Standard - Aviation, reduction method

HB/Z 5093.5-2000 Analytical method of alkaline electroplating tin solution Qualitative analysis of divalent tin by redox method
HB 20056.3-2011 Methods for analysis of Sn-Bi alloy plating and plating Sn-Bi alloy solutions.Part 3:Determination of stannous sulfate content by oxidation-reduction method

American National Standards Institute （ANSI), reduction method

BS EN ISO 4491-2:2023 Tracked Changes. Metallic powders. Determination of oxygen content by reduction methods Loss of mass on hydrogen reduction (hydrogen loss) (British Standard)

Professional Standard - Hygiene , reduction method

WS/T 26-1996 Urine.Determination of mercury.Cold atomic absorption spectrometric method.Ⅱ Acidic stannous chloride reduction method
WS/T 25-1996 Cold vapor atomic absorption spectrometric method for mercury in urine (1) Alkaline stannous chloride reduction method

Military Standard of the People's Republic of China-Commission of Science,Technology and Industry for National Defence, reduction method

GJB 5381.29-2005 Methods of chemical analysis for pyrotech. Part 29: Determination of sulfur content. Oxidation reduction method
GJB 5381.23-2005 Methods of chemical analysis for pyrotech. Part 23: Determination of manganese dioxide content. Oxidation reduction method
GJB 5381.24-2005 Methods of chemical analysis for pyrotech. Part 24: Determination of ferriferous oxide and ironic oxide content. Oxidation reduction method

Military Standard of the People's Republic of China-General Armament Department, reduction method

GJB 8682.29-2015 Methods of chemical analysis of pyrotechnic powders Part 29: Determination of sulfur content Oxidation-reduction method
GJB 8682.23-2015 Methods of chemical analysis of pyrotechnic powders Part 23: Determination of manganese dioxide content Oxidation-reduction method
GJB 8682.24-2015 Methods for chemical analysis of pyrotechnic powders Part 24: Determination of ferric oxide and ferric oxide content Oxidation-reduction method

IT-UNI, reduction method

UNI 3618-1955 Procedures for chemical analysis of minerals. Determination of arsenic in iron ore. Method for reduction with stannous chloride and titration with iodine.

CN-QIYE, reduction method

Q/CHD 28-2019 Technical specification for detection of flue gas denitrification catalyst by selective catalytic reduction method for thermal power units
Q/CHD 29-2019 Technical specifications for comprehensive quality grade evaluation of flue gas denitrification catalysts by selective catalytic reduction method for thermal power units

Professional Standard - Ferrous Metallurgy, reduction method

YB/T 4021-2007 Determination of total sulphur in naphthalene.reduction titration
YB/T 4021-1991 Determination method of total sulfur content in naphthalene - reduction titration method
YB 4021-1991 Determination method of total sulfur content in naphthalene - reduction titration method

Professional Standard - Commodity Inspection, reduction method

SN/T 2763.3-2012 Chemical analysis of nickel laterite ore.Part 3:Determination of total iron content.Titanium(Ⅲ) chloride reduction methods

Professional Standard - Petroleum, reduction method

SY/T 5237-1991 Hydrogen isotope analysis method in water Zinc reduction sealing pipe method

能源部, reduction method

SY 5237-1991 Hydrogen isotope analysis method in water#Zinc reduction sealing method

Professional Standard - Energy, reduction method

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

Standard Association of Australia （SAA）, reduction method

AS 2300.6.8:1997 Methods of chemical and physical testing for the dairying industry - Cheese - Determination of nitrate and nitrite in cheese by cadmium reduction and photometry

Professional Standard - Agriculture, reduction method

ZB X 66040-1987 Determination of reducing sugar and non-reducing sugar in grain and oil crop inspection

未注明发布机构, reduction method

BS 3338-11:1961(2011) Method for The determination of tin in solders (Nickel coil reduction method)
BS 3338-2:1961(2011) Method for The determination of tin in ingot tin (Aluminium reduction method) — Methods for the sampling and analysis oftin and tin alloys
BS 3338-16:1965(2011) Method for The determination of tin in white metal bearing alloys (Nickel coil reduction method) — Methods for the sampling and analysis oftin and tin alloys
JIS M 8720:2023 Iron ores -- Determination of low-temperature reduction-disintegration

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

DB53/T 590-2014 Palladium chloride chemical analysis method Determination of palladium content Hydrogen reduction gravimetric method
DB53/T 591-2014 Rhodium nitrate chemical analysis method Determination of rhodium content Hydrogen reduction gravimetric method