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See Chinese contents: GB/T 40917-2021 GB/T 40917-2021: Textiles -- Determination of perfluorohexane-1-sulphonic acid and its salts
This Standard specifies the method of high-performance liquid chromatography-tandem mass spectrometer (HPLC-MS/MS) to determine the content of perfluorohexane-1-sulphonic acid and its salts (PFHxS) in textiles. This document applies to all types of textiles.
