ISO INTERNATIONAL STANDARD 4150 Third edition 2011-11-15 Green coffee or raw coffee Size analysis Manual and machine sieving Cafe vert- Analyse granulométrique - Tamisage manuel et a la machine Reference number ISO 4150:2011(E) ISO @ISO2011 ISO 4150:2011(E) COPYRIGHTPROTECTEDDOCUMENT ISO2011 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 [email protected] Webwww.iso.org Published in Switzerland = @ ISO 2011 -All rights reserved ISO 4150:2011(E) Contents Page Foreword .iv 1 Scope 2 Normative reference 3 Terms and definitions 4 Principle 5 Apparatus 6 Sampling 2 7 Procedure. 7.1 Testportion 7.2 Selection of sieves 7.3 Sieving and weighing 7.4 Additionalobservations 8 Statement of results 9 Precision 9.1 General 9.2 Repeatability 9.3 Reproducibility 10 Test report Annex A (normative) Characteristics of perforated metal plate test sieves with round holes. 6 Annex B (normative) Characteristics of perforated metal plate test sieves with slotted apertures... Annex C (informative) Interlaboratory. 9 Annex D (informative) Verification of mechanical equipment of sieving machines. 10 Bibliography 12 @ ISO 2011 - All rights reserved ili