ISO INTERNATIONAL STANDARD 18219-1 IULTCS IUC 30-1 First edition 2021-05 Leather Determination of chlorinated hydrocarbons in leather - Part 1: Chromatographic method for short- chain chlorinated paraffins (SCCPs) Cuir-Dosagedeshydrocarbureschloresdans lecuir- Partie 1:Methode chromatographique pour les paraffines chlorees d chainecourte (PCCC) Referencenumbers IS0 18219-1:2021(E) IULTCS/IUC 30-1:2021(E) ISO @IS0 2021 IS018219-1:2021(E) IULTCS/IUC30-1:2021(E) COPYRIGHTPROTECTEDDOCUMENT IS02021 All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may bereproduced orutilizedotherwisein anyformorbyanymeans,electronicormechanical, includingphotocopying,orposting beloworIso'smemberbodyinthecountryoftherequester. ISO copyright office CP 401.Ch.de Blandonnet8 CH-1214 Vernier,Geneva Phone:+41227490111 Email:copyright@iso.org Website:www.iso.org Published in Switzerland ii IS02021-All rights reserved IS018219-1:2021(E) IULTCS/IUC30-1:2021(E) Contents Page Foreword iv Introduction. .vi 1 Scope. .1 2 Normativereferences .1 3 Termsand definitions .1 1 4 Principle 5 Apparatus and materials. 1 6 Reagents .2 7 Sampling .2 8 Samplepreparationandanalysis 2 8.1 Preparationof theSCCPscalibrationsolution(50μg/ml)with59%chlorinecontent 2 8.2 Extractionofleather 3 8.3 Sulfuric acid clean-up 3 8.4 GC-ECNI-MSdetermination 3 6 Expression of results .3 9.1 3 Evaluation 3 9.2 lonsusedforquantification 9.3 InterferencetoSCCPsdetermination .3 9.4 Calculation 4 9.5 Precision .4 10 Testreport .4 AnnexA(informative)Gaschromatographic(GC-ECNI-MS)analysisoperatingparameters .6 AnnexB (informative)Liquidchromatographic(Lc-Ms/MS)analysisoperatingparameters. > AnnexC(informative)Integrationusingpeakshapeevaluation(PSE)withGC-ECNI-MS 10 Bibliography .13 @IS02021-All rights reserved ili