ISO INTERNATIONAL STANDARD 1183-1 Third edition 2019-03 Plastics Methods for determining the density of non-cellular plastics Part 1: Immersion method, liquid pycnometer method and titration method Plastiques - Methodes de détermination de la masse volumique des plastiques non alvéolaires Partie 1: Méthode par immersion, méthode du pycnometre en milieu liquide et méthode par titrage Reference number ISO 1183-1:2019(E) osi @ IS0 2019 IS0 1183-1:2019(E) COPYRIGHTPROTECTEDDOCUMENT @ IS0 2019 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 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: +41 22 749 01 11 Fax: +41 22 749 09 47 Email: copyright@iso.org Website: www.iso.org Published in Switzerland ii @ IS0 2019 - All rights reserved IS0 1183-1:2019(E) Contents Page Foreword ..iv 1 Scope .1 2 Normative references 3 Terms and definitions 4 Conditioning .2 5 Methods .2 5.1 Method A - Immersion method .2 5.1.1 .2 Apparatus. 5.1.2 Immersion liquid 3 5.1.3 Specimens. .3 5.1.4 Procedure 3 5.2 Method B - Liquid pycnometer method. 4 5.2.1 Apparatus. 4 5.2.2 Immersion liquid .5 5.2.3 Specimens. 5 5.2.4 Procedure. .5 5.3 Method C - Titration method .6 5.3.1 Apparatus ..6 5.3.2 Immersion liquids. ..6 5.3.3 Specimens .6 5.3.4 Procedure ..6 6 Correction for buoyancy in air 7 Test report Annex A (informative) Liquid systems suitable for use in Method C .9 Annex B (informative) Correction for buoyancy in air .10 Bibliography ..12 @ IS0 2019 - All rights reserved iii