GB/T 12010.4-2010 in English
VALIDPlastic—Poly(vinyl alcohol)(PVAL) materials—Part 4:Determination for pH value
- Issued on:2010-09-02
- Implemented on:2011-05-01
- File Format:PDF
- Delivery:Via email within 1~3 business days
$78.00
《GB/T 12010.4-2010塑料 聚乙烯醇材料（PVAL） 第4部分：pH值测定》由TC15（全国塑料标准化技术委员会）归口，TC15SC4（全国塑料标准化技术委员会通用方法和产品分会）执行，主管部门为中国石油和化学工业联合会。
Scope
This part of GB/T 12010 specifies the method for measuring the pH value of aqueous solutions of polyvinyl alcohol materials with a pH meter. This section applies to the determination of the pH value of a 4% aqueous solution of polyvinyl alcohol materials with a degree of alcoholysis greater than 70% (mol fraction).
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