EN ISO 13365-1:2020
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Leather - Chemical determination of the preservative (TCMTB, PCMC, OPP, OIT) content in leather by liquid chromatography - Part 1: Acetonitrile extraction method (ISO 13365-1:2020, Corrected version 2021-03)
09-09-2020
This document specifies a test method by acetonitrile solvent extraction for the determination of the total content (solvent extractible) of the following preservative agents in leather by liquid chromatography:— 2-(thiocyanomethylthio)-benzothiazole (TCMTB);— 4-chloro-3-methylphenol (PCMC);— 2-phenylphenol (OPP);— 2-octylisothiazol-3(2H)-one (OIT);This method can also be used to determine breakdown products of these preservative agents, which protect leather from microbiological attack.
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