ISO INTERNATIONAL STANDARD 8112 Second edition 2023-07 Caprolactam for industrial use Determination of colour of 50 % aqueous caprolactam solution, expressed in Hazen units (platinum- cobalt scale) - Spectrometric method Caprolactame a usage industriel Détermination de la coloration d'une solution aqueuse a 50 % de caprolactame, exprimee en unités Hazen (échelle platine-cobalt) Méthode spectrométrique Reference number IS0 8112:2023(E) Tso @ IS0 2023 IS0 8112:2023(E) COPYRIGHTPROTECTED DOCUMENT @IS02023 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 or ISoO's member body in the country of the requester. ISO copyright office CP 40i : Ch. de Blandonnet 8 CH-1214 Vernier, Geneva Phone: +41 22 749 01 11 Email:[email protected] Website: www.iso.org Published in Switzerland ii @ IS0 2023- All rights reserved