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YS/T 587.11-2006 Calcined coke for prebaked blocks -- Testing methods -- Part 11: Determination of grain stability (USD) via email in 1-3 business day VALID
YB/T 5160-2008 Method for eletrolytical testing of cathode of cathode carbon bricks via email in VALID please email coc@codeofchina.com for quotation
YB/T 5230-1993 Anode carbon for aluminium electrolysis (USD) via email in 1-3 business day VALID
YB/T 5189-2000 The determination of volatile matter content in carbon material (USD) via email in 1-3 business day ABOLISHED
YS/T 575.20-2007 Methods for chemical analysis of bauxite Part 20:Preparation of pre-dried sample (USD) via email in 1-3 business day VALID
YS/T 1032-2015 Inspection method of the interior defects for cathode carbon block for aluminium electrolysis (USD) via email in 1 business day VALID
GB/T 26930.10-2014 Carbonaceous materials used in the production of aluminium—Pitch for electrodes—Part 10:Determination of sulful content by an instrumental method (USD) via email in 1-3 business day VALID
YS/T 63.10-2006 Carbonaceous materials used in the production of aluminium?Part 10:Determination of the air permeability via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
ZB Q 52003-1990 via email in 1 business day SUPERSEDED please email coc@codeofchina.com for quotation
GB/T 26930.5-2011 Carbonaceous materials for the production of primary aluminium—Pitch for electrodes —Part 5:Determination of content of toluene-insoluble material (USD) via email in 1-3 business day VALID
YS/T 575.7-2007 Methods for chemical analysis of bauxite Part 7:Determination of calcium oxide content Flame atomic absorption spectrophotometric method via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
YS/T 63.19-2006 Carbonaceous materials used in the production of aluminium?Part 19:Determination of ash content via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
YB/T 5054-2015 Method for preparation test sample of carbon pastes via email in VALID please email coc@codeofchina.com for quotation
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