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See Chinese contents: GB/T 24166-2009 GB/T 24166-2009: Determination of the content of chlorinated phenols in dye products
This Standard specifies the method for the determination of chlorinated phenols (2,3,5,6-tetrachlorophenol and pentachlorophenol) in dye products. This Standard applies to the determination of chlorinated phenols (2,3,5,6-tetrachlorophenol and pentachlorophenol) using gas chromatography-mass selective detector (GC-MSD) and gas chromatography-electron capture detector (GC-ECD) for commercial dyes, dye products, dye intermediates and textile printing and dyeing additives.
