Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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YS/T 438.5-2013 Methods for Physical Performance Determination of Sandy Alumina - Part 5: X-ray Diffraction Spectrum Method for Determination of α-alumina Content 120.0 via email in 1~3 business day valid
YS/T 619-2007 Classification and brand nomenclature of the chemicals of alumina 120.0 via email in 1~3 business day to be superseded
YS/T 581.2-2006 Determination of chemical contents and physical properties of aluminium fluoride Part 2: Determination of ignition loss 130.0 via email in 1~3 business day valid
YS/T 63.12-2006 Carbonaceous material used in the production of aluminium -- Part 12 : Prebaked anodes -- Determination of the reactivity to carbon dioxide -- Loss in mass method 150.0 via email in 1~3 business day valid
YS/T 575.25-2014 Methods for chemical analysis of bauxite—Part 25:Determination of sulfur content—Coulometric titration method 100.0 via email in 1~3 business day valid
GB/T 33908-2017 Technical specification for testing of liquidus temperature of the electrolyte 160.0 via email in 1~3 business day valid
GB/T 26310.2-2010 Carbonaceous materials for use in the production of aluminium—Calcined coke—Part 2:Determination of trace elements content—Flame atomic absorption spectroscopy 160.0 via email in 1~3 business day valid
YS/T 964-2014 Determinator for the reactivity to air of carbon block used in the production of aluminium 220.0 via email in 1~3 business day valid
YS/T 63.6-2006 Carbonaceous materials used in the production of aluminium - Part 6: Determination of open porosity using a hydrostatic method 214.0 via email in 1~3 business day superseded
YS/T 803-2012 Smelter grade alumina 180.0 via email in 1~3 business day valid
GB/T 26930.2-2011 Carbonaceous materials for the production of primary aluminium—Pitch for electrodes—Part 2:Determination of softening point by the ring and ball method 150.0 via email in 1~3 business day valid
GB/T 6609.14-2004 Chemical analysis methods and Determination of physical performance of alumina Determination of fluorine content-Lanthanum-alizarincomplexone spectrophotometric method 140.0 via email in 1~3 business day valid
YS/T 575.1-2007 Methods for chemical analysis of bauxite Part 1:Determination of aluminium oxide content EDTA titrimetric method 80.0 via email in 1~3 business day valid
GB/T 6609.27-2004 Chemical analysis methods and Determination of physical performance of alumina Particle size analysis-Sieving method 184.0 via email in 1~3 business day abolished
YS/T 575.7-2007 Methods for chemical analysis of bauxite Part 7:Determination of calcium oxide content Flame atomic absorption spectrophotometric method 140.0 via email in 1~3 business day valid
GB/T 26297.2-2010 Sampling of carbonaceous materials used for aluminium production—Part 2:Sidewall blocks 100.0 via email in 1~3 business day valid
YS/T 438.1-2013 Methods for Physical Performance Determination of Sandy Alumina - Part 1: Determination of Size Distrinbution - Sieving Method 124.0 via email in 1~3 business day valid
YS/T 273.8-2006 Chemical analysis methods and physical properties of cryolite - Part 8: Determination of sulphate content by barium sulphate gravimetric method 75.0 via email in 1~3 business day valid
GB/T 26930.1-2011 Carbonaceous materials for the production of primary aluminium—Pitch for electrodes—Part 1:Determination of water content—Azeotropic distillation(Dean and Stark) method 150.0 via email in 1~3 business day valid
YS/T 575.15-2007 Methods for chemical analysis of bauxite Part 15:Determination of gallium oxide content Rhodamine B-extraction photometric method 140.0 via email in 1~3 business day valid


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