GB/T 30921.5-2016
ActiveTest method of purified terephthalic acid (PTA) for industrial use—Part 5: Determination of acid number
工业用精对苯二甲酸（PTA）试验方法 第5部分：酸值的测定
Application Summary AI generated
This standard specifies the test method for determining the acid number of purified terephthalic acid (PTA) used in industrial applications. It is applied in the chemical manufacturing sector, specifically for quality control and batch testing of PTA, a key raw material for producing polyester fibers, films, and resins. The method ensures consistent acidity levels in PTA to meet processing requirements in downstream polymerization reactions.
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Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.