Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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YB/T 5158-1993 Determination of trace boron in graphite products of high purity by spectroscopical method―The solution and dry residue method $184.00 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 $100.00 via email in 1~3 business day valid
YB/T 5159-1993 Determination of silicon and iron in graphite products of high purity by spectroscopical method―The powder method $184.00 via email in 1~3 business day abolished
YB/T 5159-2007 Determination of silicon and iron in graphite products of high purity by spectroscopical method - The powder method $95.00 via email in 1~3 business day valid
YB/T 5160-1993 Method for electrolytical testing of cathode carbon bricks used in the aluminium electrolytical cell $184.00 via email in 1~3 business day abolished
YB/T 5297-2006 Determination of carbon materials inherent moisture via email in 1~3 business day valid
YB/T 5323-2006 Determination of bulk density of carbon materials via email in 1~3 business day valid
YB/T 908-1997 Carbon materials. Determination of open porosity $224.00 via email in 1~3 business day abolished
YB/T 917-1997 Carbonaceous materials - Determination of vanadium content - Colorimetric method $184.00 via email in 1~3 business day superseded
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