relative atomic mass

relative atomic mass, Total:121 items.

The international standard classification for "relative atomic mass" includes: Powder metallurgy , Water quality .

The Chinese standard classification for "relative atomic mass" includes: Powder metallurgy analysis method , Analysis methods for toxic substances in water .

Professional Standard - Commodity Inspection

SN/T 1797.10-2008 Technical regulation on safety and sanitation for inspection of iron ore. Part 10:Relative reducibility for quality evaluation

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

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 5113-1985 Atomic mass unit and kilogram conversion tables
GB/T 17282-1998 Method for estimation of molecular weight (relative molecular mass) of petroleum oils from viscosity measurements

Professional Standard - Water Conservancy

SL/T 271-2001 Water quality - Determination of total mercury - potassium borohydride reduction - cold atomic absorption spectrophotometer

British Standards Institution (BSI)

BS ISO 7215:1995 Iron ores. Determination of relative reducibility
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 24491-2:1993 Metallic powders. Determination of oxygen content by reduction methods-Loss of mass on hydrogen reduction (hydrogen loss)
BS EN ISO 4491-2:2023 Metallic powders. Determination of oxygen content by reduction methods Loss of mass on hydrogen reduction (hydrogen loss) (British Standard)
BS EN ISO 4491-3:2006 Metallic powders - Determination of oxygen content by reduction methods - Hydrogen-reducible oxygen
BS ISO 11271:2022 Soil quality. Determination of redox potential. Field method
BS ISO 15153:2003+A1:2012 Tobacco. Determination of the content of reducing substances. Continuous-flow analysis method
BS DD ISO/PAS 22241-1:2005 Diesel engines. NOx reduction agent AUS 32-Quality requirements
BS 6829-3.1:1989 Analysis of surface active agents (raw materials). Sodium alkylbenzenesulphonates. Method for determination of mean relative molecular mass
BS ISO 22241-1:2006 Diesel engines - NOx reduction agent AUS 32 - Quality requirements
BS 6829-3-3.1:1987 Analysis of surface active agents (raw materials). Sodium alkylbenzenesulphonates.-Method for determination of mean relative molecular mass
BS ISO 22241-1:2019 Diesel engines. NOx reduction agent AUS 32-Quality requirements
BS ISO 15153:2003 Tobacco. Determination of the content of reducing substances. Continuous-flow analysis method

International Organization for Standardization (ISO)

ISO 7215:1995 Iron ores - Determination of relative reducibility
ISO 7215:1985 Iron ores; Determination of relative reducibility
ISO 4997:2025 Cold-reduced carbon steel sheet of structural quality
ISO 4491-2:1997 Metallic powders - Determination of oxygen content by reduction methods - Part 2: Loss of mass on hydrogen reduction (hydrogen loss)
ISO 4491-2:2023 Metallic powders — Determination of oxygen content by reduction methods — Part 2: Loss of mass on hydrogen reduction (hydrogen loss)
ISO 3574:1976 Cold-reduced carbon steel sheet of commercial and drawing qualities
ISO 4491-2:1989 Metallic powders; determination of oxygen content by reduction methods; part 2: loss of mass on hydrogen reduction (hydrogen loss)
ISO 11271:2022 Soil quality — Determination of redox potential — Field method
ISO 11271:2002 Soil quality - Determination of redox potential - Field method
ISO 15153:2003 Tobacco - Determination of the content of reducing substances - Continuous-flow analysis method
ISO 4491:1978 Metallic powders — Determination of loss of mass on hydrogen reduction (hydrogen loss)
ISO 4491-3:1989 Metallic powders; determination of oxygen content by reduction methods; part 3: hydrogen-reducible oxygen
ISO 4491-3:1997 Metallic powders - Determination of oxygen content by reduction methods - Part 3: Hydrogen-reducible oxygen

Gosstandart of Russia

GOST 28658-1990 Iron ores. Determination of relative reducibility
GOST 18897-1973 Metal powder. Method for determination of metal powders losses while heating it in hydrogen
GOST 18897-1998 Metallic powders. Determination of oxygen content by reduction methods. Loss of mass on hydrogen reduction (hydrogen loss)
GOST 12575-2024 Sugar. Methods for Determining Reducing Substances
GOST 27417-1987 Metal powders. Methods for determination of oxygen
GOST 27417-1998 Metallic powders. Determination of total oxygen by reduction - extraction

CZ-CSN

CSN ISO 7215:1993 Iron ores. Determination of realtive reducibility
CSN 68 4066-1983 Pure chemicals. Preparation of measuring solutions for oxidation-reduction titrations

Ente Nazionale Italiano di Unificazione

UNI EN ISO 4491-2:2001 Metallic powders - Determination of oxygen content by reduction methods - Loss of mass on hydrogen reduction (hydrogen loss)
UNI EN 24491-2:1993 Metallic powders. Determination of oxygen content by reduction methods. Loss of mass on hydrogen reduction (hydrogen loss).
UNI 8406:1982 Raw materials for paints and varnishes. Comparison of relative tinting strenght and colour on reduction of pigments.
UNI EN ISO 4491-2:2023 Metallic powders - Determination of oxygen content by reduction methods - Part 2: Loss of mass on hydrogen reduction (hydrogen loss)
UNI EU 158:1984 Double reduction electrolytic tinplate, in sheets. Quality, dimensions and tolerances

Association Francaise de Normalisation

XP CEN/TS 16660:2015 Characterization of waste - Characterization of waste - Leaching behavior tests - Determination of reducing properties and reduction capacity - Determination of reducing properties and reduction capacity...
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 A95-181-2*NF EN ISO 4491-2:2023 Metallic powders - Determination of oxygen content by reduction methods - Part 2: Loss of mass on hydrogen reduction (hydrogen loss)
NF EN ISO 4491-2:2023 Metallic powders - Determination of oxygen by reduction methods - Part 2: loss of mass by reduction in hydrogen (loss in hydrogen)
NF V37-037/A1*NF ISO 15153/A1:2012 Tobacco - Determination of the content of reducing substances - Continuous-flow analysis method
NF ISO 11271:2003 Soil quality - Determination of redox potential - Field method
NF ISO 15153/A1:2012 Tobacco - Determination of the content of reducing substances - Continuous flow analysis method
NF V37-037*NF ISO 15153:2004 Tobacco - Determination of the content of reducing substances - Continuous-flow analysis method
NF ISO 15153:2004 Tobacco - Determination of the content of reducing substances - Continuous flow analysis method

PL-PKN

PN H04964-1991 Metallic powders. Determination of oxygen content by hydrogen-reducible method
PN A74855-06-1987 Sugar Test methods Determination of reducing substances content

Spanish Association for Standardization (UNE)

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)
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)
UNE-EN ISO 4491-2:2024 Metallic powders - Determination of oxygen content by reduction methods - Part 2: Loss of mass on hydrogen reduction (hydrogen loss) (ISO 4491-2:2023)
UNE 83-212-1989 Determination of reducing agent (reducing power) content in concrete, plaster and grout

Bureau of Indian Standards

IS 5644-2-2005 Metallic Powders - determination of Oxygen Content by Reduction Methods - Part 2 Loss of mass on hydrogen reduction (hydrogen loss)
IS 5970-2022 Textile Dyestuffs-Method for Estimation of Strength (Vat Content) of Solubilized Vat Dyestuffs

Korean Agency for Technology and Standards (KATS)

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 4491-2-2023 Metallic powders－Determination of oxygen content by reduction methods－Part 2：Loss of mass on hydrogen reduction (hydrogen loss)
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)
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 I ISO 11271-2016(2021) Soil quality－Determination of redox potential－Field method
KS I ISO 11271-2021 Soil quality－Determination of redox potential－Field method
KS I ISO 11271-2016 Soil quality－Determination of redox potential－Field method
KS H ISO 15153:2017 Tobacco－Determination of the content of reducing substances－Continuous-flow analysis method
KS I ISO 11271:2016 Soil quality－Determination of redox potential－Field method
KS I ISO 11271:2006 Soil quality-Determination of redox potential-Field method
KS H ISO 15153:2007 Tobacco－Determination of the content of reducing substances－Continuous-flow analysis method
KS D ISO 4491-3:2008 Metallic powders-Determination of oxygen content by reduction methods-Part 3:Hydrogen reducible oxygen
KS R ISO 22241-1:2020 Diesel engines — NOx reduction agent AUS 32 —Part 1: Quality requirements
KS R ISO 22241-1-2020 Diesel engines — NOx reduction agent AUS 32 —Part 1: Quality requirements
KS H ISO 15153-2017(2022) Tobacco－Determination of the content of reducing substances－Continuous-flow analysis method
KS H ISO 15153-2022 Tobacco－Determination of the content of reducing substances－Continuous-flow analysis method
KS H ISO 15153-2017 Tobacco－Determination of the content of reducing substances－Continuous-flow analysis method
KS I ISO 6461-2014(2021) Water quality — Detection and enumeration of the spores of sulfite-reducing anaerobes(clostridia)
KS I ISO 6461-2021 Water quality — Detection and enumeration of the spores of sulfite-reducing anaerobes(clostridia)

RO-ASRO

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 4895-4-1997 Tobacco and tobacco products Determination of total reducing sugas, soluble sugars and total reducing substance. Manganometric method

Danish Standards Foundation

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)
DANSK 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)
DANSK DS/ISO 4491-2:2023 Metallic powders – Determination of oxygen content by reduction methods – Part 2: Loss of mass on hydrogen reduction (hydrogen loss)
DS/ISO 11271:2004 Soil quality - Determination of redox potential - Field method
DANSK DS/ISO 11271:2003 Soil quality – Determination of redox potential – Field method

European Committee for Standardization (CEN)

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)
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]
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 4491-3:2006 Metallic powders - Determination of oxygen content by reduction methods - Part 3: Hydrogen-reducible oxygen

GCC Standardization Organization

GSO ISO 11258:2013 Iron ores for shaft direct-reduction feedstocks -- Determination of the reducibility index, final degree of reduction and degree of metallization
GSO ISO 15153:2014 Tobacco -- Determination of the content of reducing substances -- Continuous-flow analysis method

German Institute for Standardization

DIN EN ISO 4491-2 E:2022-06 Determination of oxygen content in metal powders by reduction method Part 2: Mass loss during hydrogen reduction (draft)
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 4491-2:2023-07 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
DIN ISO 11271:2022-11 Soil quality - Determination of redox potential - Field method (ISO 11271:2022); Text in German and English / Note: Date of issue 2022-10-14*Intended as replacement for DIN ISO 11271 (2003-03).
DIN 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)
DIN 55603:2003 Testing of pigments - Determination of relative tinting strength and of colour difference on reduction of inorganic pigments using the lightness method
DIN 70070:2005 Diesel engines - NOx-Reduction agent AUS 32 - Quality requirements

Standards Norway

NS-ISO 4491-2:1989 Metallic powders — Determination of oxygen content by reduction methods — Part 2: Loss of mass on hydrogen reduction (hydrogen loss)
NS-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)
NS-EN ISO 4491-2:1999 Metallic powders — Determination of oxygen content by reduction methods — Part 2: Loss of mass on hydrogen reduction (hydrogen loss) (ISO 4491-2:1997)

IN-BIS

IS 5970-1970 Method for estimating the strength (reducing content) of dissolved vat dyes
IS 11292-1985 Method for determination of relative reducing properties of iron oxide: lump ores, sinter and pellets

VN-TCVN

TCVN 7100-2002 Tobacco.Determination of reducing substances by continuous flow analysis

SE-SIS

SIS SS 11 73 05-1979 Metallic powders — Determination of loss of mass on hydrogen reduction

NL-NEN

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)

The Directorate General of Specifications and Metrology (DGSM)

OS GSO ISO 11271:2013 Soil quality - Determination of redox potential - Field method
OS GSO ISO 15153:2014 Tobacco -- Determination of the content of reducing substances -- Continuous-flow analysis method

Swedish Institute for Standards

SS-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)
SS-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)
SS-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)
SS-ISO 11271:2003 Soil quality - Determination of redox potential - Field method

American Water Works Association (AWWA)

AWWA WQTC71509 Amendment of Minerals in the Reduction of Nitrate by Zero-Valent Iron in the Groundwater
AWWA WQTC65762 Effect of Chemical and Biological Oxidation and Reduction of Manganese in Drinking Water Quality and Supply

Lithuanian Standards Office

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)

BE-NBN

NBN I-994-1969 Hydrochloric acid for industrial use. Measurement of redox substances or materials