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QJ A 2781-2004 QJ A 2781-2004 Determination of the Carbon Content the Hydrogen Content and the Nitrogen Content of Carbonaceous Material 720 (USD) via email in 1 business day VALID
YB/T 5160-1993 Method for electrolytical testing of cathode carbon bricks used in the aluminium electrolytical cell 60 (USD) via email in 1-3 business day ABOLISHED
GB 1426-1978 Carbon materials; Classifications 45 (USD) via email in 1-3 business day ABOLISHED
JC 524-1993 75 (USD) via email in 1-3 business day VALID
YS/T 62.1-2005 Carbonaceous materials used in the production of aluminium—Sampling methods—Part 1:Cathode blocks 75 (USD) via email in 1-3 business day
YB/T 5156-1993 Determination of silicon in graphite products of high purity by silicon-molybdenum blue photometric method 45 (USD) via email in 1-3 business day ABOLISHED
GB 6714-1986 45 (USD) via email in 1-3 business day ABOLISHED
GB 8719-1988 30 (USD) via email in 1-3 business day ABOLISHED
YB 910-1978 15 (USD) via email in 1-3 business day ABOLISHED
YB/T 4034-2001 Method for dimensions and aspect for the carbon block of blast furnaces 45 (USD) via email in 1-3 business day ABOLISHED
YB/T 5158-2007 Determination of trace boron in graphite products of high purity by spectroscopical method—The solution and dry residue method 60 (USD) via email in 1-3 business day VALID
GB 6716-1986 60 (USD) via email in 1-3 business day ABOLISHED
YB/T 5297-2006 via email in please email coc@codeofchina.com for quotation
YB/T 5159-1993 Determination of silicon and iron in graphite products of high purity by spectroscopical method—The powder method 45 (USD) via email in 1-3 business day ABOLISHED
GB 6715-1986 45 (USD) via email in 1-3 business day ABOLISHED
YB 908-1978 via email in ABOLISHED please email coc@codeofchina.com for quotation
YB/T 5159-2007 Determination of silicon and iron in graphite products of high purity by spectroscopical method—The powder method 60 (USD) via email in 1-3 business day VALID
YB/T 5158-1993 Determination of trace boron in graphite products of high purity by spectroscopical method—The solution and dry residue method 45 (USD) via email in 1-3 business day ABOLISHED
JB/T 4220-1999 195 (USD) via email in 1-3 business day ABOLISHED
YB/T 120-1997 Method for determination of specific resistance of carbon materials 90 (USD) via email in 1-3 business day
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