ISO INTERNATIONAL 4619 STANDARD Third edition 2018-11 Driers for paints and varnishes Siccatifspourpeinturesetvernis Referencenumber IS0 4619:2018(E) ISO @IS02018 IS0 4619:2018(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 any form or by any means, electronic or mechanical, including photocopying, or posting below or Iso's member body in the country of the requester. ISO copyright office CP 401 : Ch. de Blandonnet 8 CH-1214 Vernier, Geneva Phone:+4122749 0111 Fax: +41 22 749 09 47 Email: [email protected] Website: www.iso.org Published in Switzerland ii @ IS0 2018 - All rights reserved IS0 4619:2018(E) Contents Page Foreword ..V 1 Scope ..1 2 Normative references 3 Terms and definitions .2 4 Descriptions 4.1 Solid driers .2 4.2 Liquid driers 4.3 Metals used .2 4.4 Acids used. .2 Requirements and test methods .2 6 Sampling ..3 ..3 7 Methods oftest for solid driers 7.1 Appearanceandconsistency .3 7.2 Colour. 7.3 Solubility (miscibility) in solvents, raw linseed oil or other drying media 4 7.4 Stabilityofsolution .4 7.5 Suspended solid matter 4 7.6 Volatile matter. .5 7.7 Acidity .5 7.7.1 Principle .5 7.7.2 Reagents. 5 7.7.3 Apparatus. .5 7.7.4 Preparation ofthe ion-exchangecolumn .6 7.7.5 Procedure. .7 7.7.6 Expression of results. 7 8 Methodsoftestforliquiddriers .7 8.1 Appearance .7 1 8.2 Colour 8.3 Solubility (miscibility) in solvents, raw linseed oil or other drying media 7 8.4 Stabilityofsolution.. Viscosity. 8.5 9 Methods for determination of metal content of driers containing only one metal .9 9.1 General ..9 9.2 Cobalt [ethylene diaminetetraacetic acid (EDTA) titrimetricmethod] .9 9.2.1 Reagents. .9 9.2.2 Procedure. .10 9.2.3 Expression of results .10 9.3 Manganese (EDTA titrimetric method) ..11 9.3.1 Reagents .11 9.3.2 Procedure. ..11 9.3.3 Expression of results .11 9.4 Zinc (EDTA titrimetric method) .12 9.4.1 Reagents. .12 9.4.2 Procedure .12 9.4.3 Expression of results. .12 9.5 Calcium (EDTAtitrimetric method) .12 9.5.1 Reagents. .12 9.5.2 Procedure. .13 9.5.3 Expression of results .13 9.6 Iron (lodometric method) .13 9.6.1 ..14 Principle @ IS0 2018 - All rights reserved iii