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ISO 13365-1:2020

Leather — Chemical determination of the preservative (TCMTB, PCMC, OPP, OIT) content in leather by liquid chromatography — Part 1: Acetonitrile extraction method

Publication date:   Jul 31, 2020

General information

90.60   Close of review   Dec 3, 2025

ISO

IULTCS International Union of Leather Technologists and Chemists Societies

International Standard

59.140.30   Leather and furs

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Scope

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.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 13365:2011

NOW

PUBLISHED
ISO 13365-1:2020
90.60 Close of review
Dec 3, 2025