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See Chinese contents: GB/T 24166-2021 GB/T 24166-2021: Determination of the content of chlorinated phenols in dye products
This document specifies the method for the determination of 19 chlorinated phenols residues in dye products using gas chromatography-mass spectrometry (GC/MS). This document is applicable to the determination of chlorinated phenols in various categories of dye products. NOTE: see Appendix A for the types of chlorinated phenols and reference parameters for determination.
