DIN EN ISO 13365:2011 Leather - Chemical tests - Determination of the preservative (TCMTB, PCMC, OPP, OIT) content in leather by liquid chromatography (ISO 13365:2011); German version EN ISO 13365:2011
2020DIN EN ISO 13365-2:2020 Leather - Chemical determination of the preservative (TCMTB, PCMC, OPP, OIT) content in leather by liquid chromatography - Part 2: Artificial perspiration extraction method (ISO 13365-2:2020); German version EN ISO 13365-2:2020