Chinese Standard: GB/T 21993-2008

Polyvinyl chloride resins—Determination of the content of methanol or ethanol extract

NEQ  ASTM D 2222:1994(2004年确认)

全国塑料标准化技术委员会聚氯乙烯树脂产品分会(SAC/TC 15/SC 7)

本标准规定了用索格利特萃取器测定聚氯乙烯树脂的甲醇或乙醇萃取物含量的方法。
本标准适用于聚氯乙烯树脂中甲醇或乙醇萃取物的测定。

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