GB/T 43008-2023 Leather—Chemical tests—Guidelines for testing critical chemicals

QB/T 2262 GB/T 19941.1-2019 Leather and fur—Determination of formaldehyde content—Part 1:High performance liquid chromatography method GB/T 19941.2-2019 Leather and fur—Determination of formaldehyde content—Part 2:Colorimetric method GB/T 19941.3-2019 Leather and fur—Determination of formaldehyde content—Part 3:Formaldehyde emissions GB/T 19942-2005 Leather and fur—Chemical tests—Determination of banned azo colourants GB/T 19942-2019 Leather and fur—Chemical tests—Determination of banned azo colorants GB/T 22807-2008 Leather and fur—Chemical tests—Determination of chromium Ⅵ content GB/T 22807-2019 Leather and fur—Chemical tests—Determination of chromium(Ⅵ) content:Colorimetric method GB/T 22808-2008 Leather and fur—Chemical tests—Determination of pentachlorophenol content GB/T 22808-2021 Leather and fur—Chemical tests—Determination of chlorinated phenols content GB/T 22930.1-2021 Leather and fur—Chemical determination of metal content—Part 1:Extractable metals GB/T 22930.2-2021 Leather and fur—Chemical determination of metal content—Part 2:Total metal content GB/T 22931-2008 Leather and fur—Chemical tests—Determination of plasticizers GB/T 26702-2011 Leather and fur—Chemical tests—Determination of dimethyl fumarate content GB/T 30398-2013 Leather and fur—Chemical tests—Determination of allergenic disperse dyestuffs GB/T 30399-2013 Leather and fur—Chemical tests—Determination of carcinogenic dyestuffs GB/T 33285-2016 Leather and fur—Chemical tests—Determination of nonylphenol and nonylphenol ethoxylates GB/T 33285.2-2024 Leather and fur—Determination of alkylphenols and ethoxylated alkylphenols—Part 2:Indirect method GB/T 33392-2016 Leather and fur—Chemical tests—Determination of 4-aminoazobenzene derived from azo colorants GB/T 36929-2018 Leather and fur—Chemical tests—Determination of perfluorooctane sulfonates(PFOS)and perfluorooctanoic acid(PFOA)content GB/T 36946-2018 Leather—Chemical tests—Determination of polycyclic aromatic hydrocarbons—Gas chromatography-mass spectrometry GB/T 38401-2019 Leather and fur—Chemical tests—Determination of dimethyl formamide content GB/T 38402-2019 Leather and fur—Chemical tests—Determination of chromium(Ⅵ) content:Chromatographic method GB/T 38403-2019 Leather and fur—Chemical tests—Determination of the preservative(TCMTB,PCMC,OPP,OIT) content:Liquid chromatography GB/T 38403.2-2024 Leather and fur—Determination of the preservative content—Part 2:Liquid chromatography method(artificial perspiration extraction) GB/T 38405-2019 Leather and fur—Chemical tests—Determination of short-chain chlorinated paraffins GB/T 38409-2019 Leather—Chemical tests—Determination of N-methyl-2-pyrrolidone(NMP) and N-ethyl-2-pyrrolidone(NEP) content QB/T 2720-2018 Determination of Chromium Oxide (Cr2O3) in Leather by Titration Method QB/T 2724-2018 Leather Chemical Test pH Determination QB/T 2724-2005 QB/T 2724-2005 Leather Chemical Test pH Determination QB/T 4200-2011 Leather and fur chemical experiment determination of glutaraldehyde content QB/T 5313-2018 Chemical test for leather: determination ofchrome oxide (Cr2O3) by photometry QB/T 5314-2018 Leather Chemical Test: Determination of Chromium Oxide (Cr2O3) by Atomic Absorption Spectroscopy QB/T 5315-2018 Leather Chemical Test Determination of Chromium Oxide (Cr2O3): Inductively Coupled Plasma-Optical Emission Spectroscopy (ICP-OES) QB/T 2720-2005 Leather-Chemical tests-Determination of chromic oxide GB/T 38403.3-2025 Leather and fur—Determination of the preservative content—Part 3:Gas chromatography-mass spectrometry method(methanol extraction) GB/T 38405.2-2025 Leather and fur—Determination of chlorinated hydrocarbons—Part 2:Middle-chain chlorinated paraffins(MCCPs) GB/T 19941.1-2025 Leather and fur—Determination of formaldehyde content—Part 1:High-performance liquid chromatography method GB/T 38405.1-2025 Leather and fur—Determination of chlorinated hydrocarbons—Part 1:Short-chain chlorinated paraffins(SCCPs)

ISO 20137:2017