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YB/T 5054-1993 Method for roasting test sample of carbon pastes (USD) via email in 1-3 business day ABOLISHED
GB 8725-1988 via email in ABOLISHED please email coc@codeofchina.com for quotation
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 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
GB/T 24525-2009 Method for determination of specific resistance of carbon materials (USD) via email in 1-3 business day VALID
YS/T 63.21-2007 Carbonaceous materials used in the production of aluminium Part 21:Cathodic pastes-Determination of expansion/shrinkage during baking (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
YB/T 2805-2006 中华人民共和国国家发展改革委员 (USD) via email in 1-3 business day VALID
YS/T 63.1-2006 Carbonaceous materials used in the production of aluminium Part 1:Cathodic pastes—Preparation of baked test pieces、determination of loss on baking and apparent density after ramming via email in ABOLISHED please email coc@codeofchina.com for quotation
YB/T 5054-2001 Method for preparation test sample of carbon pastes (USD) via email in 1-3 business day ABOLISHED
YS/T 575.14-2007 Methods for chemical analysis of bauxite Part 14:Determination the total content of rare earth oxide Tribromo-arsenazo photometric method (USD) via email in 1-3 business day VALID
YS/T 587.10-2016 Calcined coke for carbon anode—Part 10:Determination of bulk density (USD) via email in 1-3 business day VALID
GB/T 24526-2009 Carbon materials—Determination of the total sulphur content (USD) via email in 1-3 business day VALID
YS/T 63.23-2012 Carbonaceous materials used in the production of aluminiumPart 23:Baked anodes —Determination of the reactivity to air—Thermogravimetric method (USD) 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 (USD) via email in 1-3 business day VALID
GB/T 8721-1988 Method for the determination of tensile strength of carbonaceous materials (USD) via email in 1-3 business day ABOLISHED
YS/T 63.16-2006 Carbonaceous materials used in the production of aluminium?Part 16:Analysis using an X-ray fluorescence method via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
YB/T 4037-1991 (USD) via email in 1-3 business day ABOLISHED
YB 4036-1991 (USD) via email in 1-3 business day
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