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Database: 365,228(8 Aug 2026)
  1. HOME
  2. Standards for reduction method

reduction method

reduction method, Total:71 items.

The international standard classification for "reduction method" includes: Aluminium ores , Iron ores , Powder metallurgy , Measurement of volume, mass, density, viscosity .

The Chinese standard classification for "reduction method" includes: Metallurgy material and auxiliary material in general , Iron ore , Powder metallurgy analysis method , Basic standards and general methods , Petroleum products in general , Basic standard and general method , Hydrogeological survey .

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

  • GB/T 6730.5-2007 Iron ores—Determination of total iron content—Titanium(Ⅲ) chloride reduction methodds
  • GB/T 24235-2009 Iron ores for shaft direct-reduction feedstocks—Determination of the low temperature reduction-disintegration index and degree of metallization
  • GB/T 5158.1-2011 Metallic powders - Determination of oxygen content by reduction methods - Part 1: General guidelines
  • GB/T 5158.4-2011 Metallic powders - Determination of oxygen content by reduction methods - Part 4: Total oxygen by reduction-extraction
  • GB/T 5158.3-2011 Metallic powders - Determination of oxygen content by reduction methods - Part 3: Hydrogen-reducible oxygen
  • GB/T 25948-2010 Aluminium ores - Determination of total iron content - Titanium trichloride reduction method

Professional Standard - Hygiene

  • WS/T 26-1996 Urine - Determination of mercury - Cold atomic absorption spectrometric method-Ⅱ - Acidic stannous chloride reduction method
  • WS/T 25-1996 Urine—Determination of mercury—Cold atomic absorption spectrometric method-Ⅰ—Alkaline stannous chloride reduction method

Professional Standard - Environmental Protection

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

Professional Standard - Petrochemical Industry

  • SH/T 0252-1992 Determination method for trace sulfur in light petroleum distillate (nickel reduction method)

Professional Standard - Machinery

  • JB/T 11888-2014 Process Design Guide for Flue Gas Selective Catalytic Reduction Denitration Reactor

Professional Standard - Commodity Inspection

  • 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 - Geology

  • DZ/T 0064.78-1993 Groundwater quality test methods - the determination of tritium with metallic zinc reduction method
  • DZ/T 0184.19-1997 Determination of zinc of hydrogen isotope in water in reduction method

工业和信息化部

  • JB/T 14100-2020 Selective non-catalytic reduction process of flue gas denitration device

CEN - European Committee for Standardization

  • 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)

  • 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)

IN-BIS

  • IS 11093-1984 Specification for direct reduction iron ore lumps
  • IS 11092-1984 Specification for direct reduction iron ore pellets
  • IS 5644 Pt.4-1993 Metal powders - Determination of oxygen content by reduction method Part 4 Determination of total oxygen by reduction-extraction method

Association Francaise de Normalisation

  • NF EN ISO 4491-4:2019 Metal powders - Determination of oxygen by reduction methods - Part 4: total oxygen by reduction-extraction
  • NF EN ISO 4491-3:2006 Metal powders - Determination of oxygen by reduction methods - Part 3: oxygen reducible by hydrogen
  • 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 ISO 9507:1990 Iron ores - Determination of total iron - Method by reduction with titanium (III) chloride
  • 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 A20-410*NF ISO 9507:1990 Iron ores. Determination of total iron content. Titanium (III) chloride reduction methods.
  • 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

Korean Agency for Technology and Standards (KATS)

  • KS D ISO 4491-4-2023 Metallic powders - Determination of oxygen content by reduction methods Part 4 : Total oxygen by reduction-extraction
  • KS D ISO 4491-3-2023 Metallic powders - Determination of oxygen content by reduction methods Part 3 : Hydrogen reducible oxygen
  • 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 4491-3:2008 Metallic powders-Determination of oxygen content by reduction methods-Part 3:Hydrogen reducible oxygen
  • KS E ISO 9507-2012(2017) Iron ores－Determination of total iron content－Titanium(III) chloride reduction methods

CZ-CSN

British Standards Institution (BSI)

  • 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 Metallic powders. Determination of oxygen content by reduction methods. Total oxygen by reduction-extraction
  • BS 3338-11:1961(2011) Method for The determination of tin in solders (Nickel coil reduction method)
  • BS EN ISO 4491-3:2006 Metallic powders - Determination of oxygen content by reduction methods - Hydrogen-reducible oxygen
  • 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

SCC

  • BS EN 24491-4:1993 Metallic powders. Determination of oxygen content by reduction methods-Total oxygen by reduction-extraction
  • DANSK DS/ISO 4491-4:2019 Metallic powders – Determination of oxygen content by reduction methods – Part 4: Total oxygen by reduction-extraction
  • DANSK DS/EN ISO 4491-3:2006 Metallic powders - Determination of oxygen content by reduction methods - Part 3: Hydrogen-reducible oxygen
  • NS-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)
  • DANSK DS/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)
  • NS-EN 24491-4:1993 Metallic powders — Determination of oxygen content by reduction methods — Part 4: Total oxygen by reduction-extraction (ISO 4491-4:1989)
  • NS-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)
  • BS EN 24491-2:1993 Metallic powders. Determination of oxygen content by reduction methods-Loss of mass on hydrogen reduction (hydrogen loss)

German Institute for Standardization

  • 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

Spanish Association for Standardization (UNE)

  • 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 24491-4:2006 Metallic powders - Determination of oxygen content by reduction methods - Part 4: Total oxygen by reduction-extraction (ISO 4491-4:1989)

KR-KS

  • KS D ISO 4491-4-2003(2023) Metallic powders - Determination of oxygen content by reduction methods Part 4 : Total oxygen by reduction-extraction
  • KS D ISO 4491-3-2008(2023) Metallic powders - Determination of oxygen content by reduction methods Part 3 : Hydrogen reducible oxygen

GSO

  • OS GSO ISO 4491-3:2016 Metallic powders -- Determination of oxygen content by reduction methods -- Part 3: Hydrogen-reducible oxygen
  • GSO ISO 4491-3:2016 Metallic powders -- Determination of oxygen content by reduction methods -- Part 3: Hydrogen-reducible oxygen

RU-GOST R

  • GOST 27417-1987 Metal powders. Methods for determination of oxygen
  • GOST 27417-1998 Metallic powders. Determination of total oxygen by reduction - extraction

RO-ASRO

  • STAS SR EN 24491-4-1995 Metallic powders. Determination of oxygen content by reduction, methods. Part 4: Total oxygen by reduction-extraction

Danish Standards Foundation

  • 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

International Organization for Standardization (ISO)

  • 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 11258:1999 Iron ores - Determination of reducibility and metallization of feedstock for direct reduction by gas reforming processes

PL-PKN

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

American Society for Testing and Materials (ASTM)

  • ASTM UOP381-63 Traces of Sulfur in Liquefied Petroleum Gases by the Nickel Reduction Method
  • ASTM UOP357-80 Trace Sulfur in Petroleum Distillates by the Nickel Reduction Method

Alkaline stannous chloride reduction method,Cadmium column reduction method,hydrogen reduction method,selective non-catalytic reduction,reduction method,Zinc and cadmium reduction method,Test method for total sulfur content in gaseous fuels by reduction and colorimetry,bimetal reduction

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