ISO INTERNATIONAL 22608 STANDARD Secondedition 2021-03 ProtectiveclothingProtection against liquid chemicals- Measurementofrepellency,retention, andpenetrationofliquidpesticide formulations through protective clothing materials Vetementsdeprotection-Protectioncontrelesproduitschimiques liquides-Mesuragedelarepulsion,delaretentionetdela penetration desformulationsdepesticides liquides a travers les materiauxdesvetementsdeprotection Referencenumber ISO22608:2021(E) ISO ISO2021 IS022608:2021(E) COPYRIGHTPROTECTEDDOCUMENT CIS02021 All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior written permission. Permission can be requested from either IsO at the address beloworIsO'smemberbody inthecountryoftherequester, ISO copyright office CP401.Ch.deBlandonnet8 CH-1214 Vernier,Geneva Phone:+41227490111 Email:[email protected] Website:www.iso.org PublishedinSwitzerland IS02021-Allrightsreserved IS022608:2021(E) Contents Page Foreword iv Introduction 1 Scope. .1 2 Normativereferences .1 3 Terms and definitions 1 4 Principle .3 5 Apparatus 3 5.1 Apparatusandmaterialsforcontaminationoftestspecimen 3 5.2 4 ApparatusforanalysisusingMethodA 5.3 Apparatus andmaterials foranalysis using Method B 4 9 Testspecimens .7 7 Selection ofanalyticaltechnique 8 8 Preparationoftestapparatusandmaterials 8 Calibration of the pipettor. .8 8.1 8.1.1Calibrationwithdistilledwater 8 8.1.2 Calibrationwithtestliquid 8 8.2 Preparationoftestassembly 9 8.3 Conditioningoftestspecimen 9 8.4 Testingtemperature 9 9 Method A 9 9.1 Contaminationoftestspecimen .9 9.2 Calculation 10 9.2.1 Determination ofmasses oftestliquid ineachlayer 10 9.2.2 Massbalance 10 9.2.3 Calculationofrepellency,retention,andpenetration 10 Method B 10 10 10.1 Verificationof theamount ofactiveingredient inthetestliquid applied 10 10.2 Determinationofextractionefficiency 11 10.3 Testing ofblanks 11 10.4 Contaminationoftestspecimen 11 10.5 Extraction oftest liquids. 11 10.6 Calculation 12 10.6.1 Determinationofthemasses ofactiveingredientineachlayer 12 10.6.2 Calculationofextractionefficiency 12 10.6.3 Calculationofrepellency,retention,andpenetration 12 11 Repeatabilityandreliability .12 12 Testreport .12 AnnexA(informative)Interlaboratorytestdata .14 Bibliography .16 CoprigtirtematonalOgrtupC150.2021addstr-Aighiseserved ili