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        GB/T 31531-2025 focuses on dyestuff and Spinning & weaving dyeing and finishing auxiliaries, specifies the determination methods of quinoline and isoquinoline, clarifies the reagents, instruments, operation steps and result calculation methods required for testing, and is suitable for mass testing and safety control of related products. It can unify industry testing behavior and provide reliable technical support for ensuring product safety and meeting compliance requirements.

        This summary is not the original standard text and is for reference only. For accurate information, please obtain it through official channels.
        Status Incoming
        CCS G55 ICS 71.100.01;87.060.10
        Release Date 2025-08-29 00:00:00 Implementation Date 2026-03-01 00:00:00
        180 in total
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