ISO INTERNATIONAL STANDARD 5530-1 Third edition 2013-04-15 Wheat flour Physical characteristics of doughs - Part 1: Determination of water absorption and rheological properties using a farinograph Farines de blé tendre Caracteristiques physiques des pates - Partie 1: Détermination de I'absorption d'eau et des caractéristiques rhéologiques au moyen du farinographe Reference number IS0 5530-1:2013(E) ISO CopyrihtInternationalOrganizationfor Standardization @ IS0 2013 ed without license from IHS Not for Resale IS0 5530-1:2013(E) COPYRIGHTPROTECTEDDOCUMENT @ISO2013 All rights reserved. Unless otherwise specified, 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 Case postale 56 : CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail copyright@iso.org Web www.iso.org Published in Switzerland @ IS0 2013 - All rights reserved or networking permited without license from IHS Not for Resale IS0 5530-1:2013(E) Contents Page Foreword ..iv 1 Scope 2 Normative references ..1 3 Terms and definitions 4 Principle ..3 5 Reagent. ..3 6 Apparatus .3 7 Sampling. ..3 8 Procedure ..4 8.1 Determination of the moisture content of the flour ..4 8.2 Preparation of farinograph .4 8.3 Testportion .4 8.4 Common rules of determination .8 9 Evaluation of the farinogram and calculation of the derived rheological characteristics....8 9.1 General .8 9.2 Water absorption of flour .8 9.3 Characteristics relating to the consistency of dough ..9 10 Precision .10 10.1 Interlaboratory tests 10 10.2 Repeatability 11 10.3 Reproducibility ..11 11 Test report ..11 Annex A (informative) Description of the farinograph ..12 Annex B (informative) Examples of farinograms ..17 Annex C (informative) Results of interlaboratory tests .22 Bibliography .26 ii ithout license from IHS Not for Resale