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See Chinese contents: GB/T 41071-2021 GB/T 41071-2021: Determination of polycyclic aromatic hydrocarbons in dye products
This document specifies a method for the determination of 18 polycyclic aromatic hydrocarbon residues in dye products by gas chromatography-mass spectrometry (GC/MS). This document applies to the determination of polycyclic aromatic hydrocarbons in various types of dye products.
