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See Chinese contents: GB/T 42164-2022 GB/T 42164-2022: Leather - Chemical tests - Thermal ageing of leather and determination of hexavalent chromium
This document describes a method for the determination of the hexavalent chromium content of leather under thermal ageing conditions. This document is applicable to the determination of hexavalent chromium content in various types of chrome-tanned leather under thermal ageing conditions.
