Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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YS/T 981.4-2014 Method for chemical analysis of high pure indium—Determination of tin content—Benzfluorenone-cetyltrimethylammonium bromide spectrophotometric method $100.00 via email in 1~3 business day valid
YS/T 981.5-2014 Methods for chemical analysis of high pure indium—Determination of thallium content—Rhodamine B spectrophotometric method $100.00 via email in 1~3 business day valid
YS/T 984-2014 Determination of boron and phosphorus concent in silicon powder by chemical analysis $160.00 via email in 1~3 business day valid
YS/T 987-2014 Test method for measuring carbon containing compound in chlorosilane—Determination of methyldichlorosilane $165.00 via email in 1~3 business day valid
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