ISO INTERNATIONAL STANDARD 1833-16 Second edition 2019-04 Textiles Quantitative chemical analysis - Part 16: Mixtures of polypropylene fibres with certain other fibres (method using xylene) Textiles-Analyse chimique quantitative- Partie 16: Melanges de fibres de polypropylene avec certaines autres fibres (meéthode au xylene) Reference number ISO 1833-16:2019(E) ISO @IS0 2019 IS01833-16:2019(E) COPYRIGHTPROTECTEDDOCUMENT @ISO2019 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 below orIso's memberbody in the countryof therequester. ISO copyright office CP 401 : Ch. de Blandonnet 8 CH-1214 Vernier, Geneva Phone:+41227490111 Fax:+4122749 09 47 Email: copyright@iso.org Website: www.iso.org Published in Switzerland ii @ IS0 2019- All rights reserved IS0 1833-16:2019(E) Contents Page Foreword ..iv 1 Scope ..1 2 Normativereferences 3 Terms and definitions ..1. 4 Principle 5 Reagents. ..1 6 Apparatus. ..2 7 Testprocedure 8 Calculation and expression of results ..2 9 Precision .2 Bibliography .3 @IS0 2019-All rights reserved iii