ISO INTERNATIONAL STANDARD 4323 Secondedition 2018-12 SoapsDeterminationofchloride contentPotentiometric method Savons-Dosagedeschlorures-Methodepotentiometrique Referencenumber IS04323:2018(E) ISO2018 IS04323:2018(E) COPYRIGHTPROTECTEDDOCUMENT IS02018 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 anyform or by anymeans,electronic or mechanical, including photocopying,orposting on the internet or an intranet, without prior written permission.Permission can be requested from either Iso at the address beloworIso'smemberbodyinthecountryoftherequester. ISO copyright office CP401.Ch.deBlandonnet8 CH-1214 Vernier,Geneva Phone:+41227490111 Fax:+41227490947 Email:[email protected] Website:www.iso.org Published in Switzerland ii IS02018-All rights reserved IS04323:2018(E) Contents Page Foreword. .iv 1 Scope .1 2 Normativereferences .1 3 Termsand definitions .1 4 Principle .1 5 Reagents.. .1 6 Apparatus. .2 7 Sampling 2 8 Procedure 2 8.1 Measurementtemperature .2 8.2 Calibrationofthesilvernitratesolution 3 8.2.1 Titration 3 8.2.2 Calculationofnormalityofsolution .4 8.3 Determination 4 8.3.1 Testportion 4 8.3.2 Titration. 8.3.3 Blanktest 4 9 Expressionofresults 5 10 Test report. 5 Annex A (informative) Example of how to calculate VeQ 6 IS02018-Allrightsreserved ili