ISO 1264-1980 标准详情
- 标准号:ISO 1264-1980
- 中文标题:塑料 氯乙烯均聚物和共聚物树脂 水萃取物的pH值测定
- 英文标题:Plastics; Homopolymer and copolymer resins of vinyl chloride; Determination of pH of aqueous extract
- 标准类别:国际标准化组织标准ISO
- 发布日期:1980-11
Treatment of a test portion of resin with a given volume of an aqueous solution of sodium chloride previous neutralized to pH 7,0. After stirring and decanting, measurement of the potential difference existing between a glass electrode and a referenc
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