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GB/T 6609.4-2004 Chemical analysis methods and Determination of physical performance of alumina Determination of ferric oxide content-Orthophenanthroline photometric method 75 (USD) 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 180 (USD) via email in 1-3 business day VALID
YS/T 581.4-2006 Determination of chemical contents and physical properties of aluminium fluoride Part 4:Determination of aluminium by the EDTA volumetric method 75 (USD) via email in 1-3 business day VALID
YS/T 581.18-2012 Chemical analysis methods and physical properties of Aluminum Fluoride—Part 18:X-ray fluorescence spectrometric method for the determination of elements content using pressed powder tablets 120 (USD) via email in 1-3 business day VALID
YB/T 5278-2007 Dolomite 75 (USD) via email in 1-3 business day VALID
YS/T 963-2014 Determinator for electrical resistivity of granules of calcined coke 180 (USD) via email in 1-3 business day VALID
YS/T 581.10-2006 Determination of chemical contents and physical properties of aluminium fluoride Part 10: Determination of sulphur content by X-ray fluorescence spectrometric method via email in VALID please email coc@codeofchina.com for quotation
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 (USD) via email in 1-3 business day VALID
GB/T 26293-2010 Carbonaceous materials used in the production of aluminium—Cold and tepid ramming paste—Determination of rammability of unbaked paste 180 (USD) via email in 1-3 business day VALID
YS/T 63.7-2006 Carbonaceous materials used in the production of aluminium?Part 7:Ddtermination of apparent density using a dimensions method via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
GB/T 6609.12-2018 Chemical analysis methods and determination of physical performance of alumina—Part 12:Determination of zinc oxide content—Flame atomic absorption spectrometry method 180 (USD) 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 180 (USD) via email in 1-3 business day VALID
YS/T 575.18-2007 Methods for chemical analysis of bauxite Part 18:Determination of total carbon content Non-aqueous titrametric method after combustion via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
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 via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
YS/T 581.15-2007 Determination of chemial contents and physical properties of aluminium fluoride Part 15:free alumina content via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
YB/T 4019-2006 Test methods for chemical activity of caustic burned magnesia 105 (USD) via email in 1-3 business day VALID
YS/T 587.1-2006 Calcined coke for prebaked blocks?Testing methods?Part 1:Determination of ash content via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
YS/T 63.21-2007 Carbonaceous materials used in the production of aluminium Part 21:Cathodic pastes-Determination of expansion/shrinkage during baking 180 (USD) via email in 1-3 business day VALID
YS/T 575.4-2007 Methods for chemical analysis of bauxite Part 4:Determination of iron oxide content Dichromate titrimetric method via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
YS/T 581.9-2006 Determination of chemical contents and physical properties of aluminium fluoride Part 9: Determination of phosphorous content by molybdophoshoric liue photometric method 75 (USD) via email in 1-3 business day VALID
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