Chinese Standard: GB/T 30921.5-2016

Test method of purified terephthalic acid(PTA) for industrial use—Part 5:Determination of acid number

全国化学标准化技术委员会(SAC/TC 63)

GB/T 30921的本部分规定了工业用精对苯二甲酸（PTA）酸值测定的容量法。   本部分适用于工业用精对苯二甲酸（PTA）酸值的测定。

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