ISO INTERNATIONAL STANDARD 13318-1 First edition 2001-03-01 Determination of particle size distribution by centrifugal liquid sedimentation methods Part 1: General principles and guidelines Détermination de la distribution granulometrique par les methodes de sédimentation centrifuge dans un liquide- Partie 1: Principes généraux et lignes directrices Reference number E ISO 13318-1:2001(E) ISO @ ISO 2001 HS under ted without license from IHS Not for Resale ISO 13318-1:2001(E) PDFdisclaimer This PDF file may contain embedded typefaces. In accordance with Adobe's licensing policy, this file may be printed or viewed but shall not be edited unless the typefaces which are embedded are licensed to and installed on the computer performing the editing. In downloading this area. Adobe is a trademarkof Adobe Systems Incorporated. Details of the software products used to create this PDF file can be found in the General Info relative to the file; the PDF-creation parameters were optimized for printing. Every care has been taken to ensure that the file is suitable for use by ISO member bodies. In the unlikely event @ISO2001 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing 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. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail copyright@iso.ch Web www.iso.ch Printed in Switzerland @ISO2001-All rights reserved py IHS unde ermittedwithoutlicense from IHS Not for Resale ISO 13318-1:2001(E) Contents Page Foreword. Introduction 1 Scope 2 Normativereferences. 3 Terms definitions and symbols. 4 Principles....... 5 Particle size, shape and porosity limitations 6 Test conditions. 10 7 Sampling... 8 Preparation for a sedimentation analysis .. 11 6 Tests in duplicate and validation. 10 Reporting of results.... Annex A (informative) The effect of measurement zone depth . Annex B (informative) Accuracy of Stokes law as a function of Reynolds number Bibliography ii T by IHS under lic se from IHS Not for Resale