Chinese Standard: GB/T 12010.4-2010

Plastic—Poly(vinyl alcohol)(PVAL)  materials—Part 4:Determination for pH value

NEQ  JIS K6726:1994(2003年确认)

全国塑料标准化技术委员会塑料树脂通用方法和产品分会(SAC/TC 15/SC 4)

GB/T 12010的本部分规定了用酸度计测定聚乙烯醇材料水溶液pH值的方法。
本部分适用于测定醇解度大于70%（摩尔分数）的聚乙烯醇材料4%水溶液的pH值。

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