ISO INTERNATIONAL STANDARD 23714 Second edition 2014-02-01 Pulps Determination of water retention value (WRV) Pates-Determination de la valeur de rétention d'eau (VRE) Referencenumber IS023714:2014(E) TSO IS02014 IS023714:2014(E) COPYRIGHTPROTECTEDDOCUMENT ISO2014 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form written permission. Permission can be requested from either ISO at the address below or ISO's member body in the country of the requester. ISO copyright office Case postale 56.CH-1211 Geneva 20 Tel. + 4122 749 01 11 Fax +41 22 749 09 47 E-mail [email protected] Webwww.iso.org Published in Switzerland ii @ IS0 2014- All rights reserved IS0 23714:2014(E) Contents Page Foreword ..iv Introduction.. ..V 1 Scope. ..1 2 Normative references ..1 3 Terms and definitions 4 Principle ..1 5 Reagents. .1 6 Apparatus ..2 7 Sampling. ..3 8 Preparation of sample ..3 9 Procedure .3 9.1 General. .3 9.2 Forming ina Buchnerfunnel 3 9.3 Centrifuging the test pad. .3 10 Calculation ..4 11 Test report. Annex A (informative) Test-pad-holding units ..5 AnnexB (informative)Precision. 7 @IS0 2014-All rights reserved iii