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GB/T 26310.4-2010 Carbonaceous materials used in the production of aluminium—Calcined coke—Part 4:Determination of oil content—Method by solvent extraction 120.0 via email in 1~3 business day valid
GB/T 6609.32-2009 Chemical analysis methods and determination of physical performance of alumina - Part 32: Determination of a-alumina content by X-ray diffraction 120.0 via email in 1~3 business day valid
YS/T 733-2010 Determination of the graphitization degree of the graphitized cathode used for aluminium production 90.0 via email in 1~3 business day valid
YS/T 63.8-2006 Carbonaceous materials used in the production of aluminium - Part 8: Determination of the density in xylene by a pyknometric method 120.0 via email in 1~3 business day valid
SN/T 1404-2004 Determination of manganese content in fluorspar for export - Flame atomic absorption spectrometric method 90.0 via email in 1~3 business day valid
YS/T 63.14-2006 Carbonaceous materials used in the production of aluminium - Part 14: Determination of bending/shear stength by a three - Point method 90.0 via email in 1~3 business day valid
YS/T 575.17-2007 Methods for chemical analysis of bauxite Part 17:Determination of sulfur content Direct combustion-iodometric method 90.0 via email in 1~3 business day valid
YS/T 587.9-2006 Calcined coke for prebaked blocks?Testing methodsd?Part 9: Determination of real density 60.0 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 90.0 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 90.0 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
YS/T 63.10-2012 Carbonaceous materials used in the production of aluminiumPart 10: Determination of the air permeability 165.0 via email in 1~3 business day valid
GB/T 26297.3-2010 Sampling of carbonaceous materials used for aluminium production—Part 3:Prebaked blocks 240.0 via email in 1~3 business day valid
YS/T 581.1-2006 Determination of chemical contents and physical properties of aluminium fluoride Part 1: Determination of moisture content by gravimetric method 45.0 via email in 1~3 business day valid
YS/T 581.6-2006 Determination of chemical contents and physical properties of aluminium fluoride Part 6: Determination of silica content by the molybdenum blue photometric 75.0 via email in 1~3 business day valid
YS/T 764-2011 Determination equipment for the thermal expansion coefficient of carbonaceous materials used in the production of aluminium 150.0 via email in 1~3 business day valid
GB/T 26295-2010 Carbonaceous materials used in the production of aluminium—Prebaked anodes and cathode blocks—Determination of flexural strength by the four-point method 180.0 via email in 1~3 business day valid
YS/T 842-2012 Petroleum coke for graphitized cathode carbon block 120.0 via email in 1~3 business day valid
YS/T 581.3-2012 Determination of chemical contents and physical properties of aluminium fluoride Part 3: Determination of fluoride content 180.0 via email in 1~3 business day valid
YS/T 273.12-2006 Chemical analysis methods and physical properties of cryolite - Part 12: The atomic absorption spectrophotometric method for the determination of calcium oxide content 75.0 via email in 1~3 business day valid
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