BS ISO 6646:2011 BSl Standards Publication Rice Determination of the potential milling yield from paddy and from husked rice bsi. ..making excellence a habit. BRITISH STANDARD BS ISO 6646:2011 National foreword This British Standard is the UK implementation of IS0 6646:2011 It supersedes BS ISO 6646:2000, which is withdrawn. The UK participation in its preparation was entrusted to Technical Committee AW/4, Cereals and pulses. A list of organizations represented on this committee can be obtained on request to its secretary. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. @BSI 2011 ISBN9780580675492 ICS 67.060 Compliance with a British Standard cannot confer immunity from legal obligations. This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31July 2011. Amendments issued since publication Date Text affected BS ISO 6646:2011 ISO INTERNATIONAL STANDARD 6646 Third edition 2011-07-01 Rice Determination of the potential milling yield from paddy and from husked rice RizDetermination des rendementsd'usinagea partir du riz paddy et du riz décortique Reference number ISO 6646:2011(E) @ ISO 2011 BS ISO 6646:2011 ISO 6646:2011(E) COPYRIGHTPROTECTEDDOCUMENT ISO2011 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any fom or by any means, 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] Web www.iso.org Published in Switzerland ii @ ISO 2011 All rights reserved BS ISO 6646:2011 ISO6646:2011(E) Foreword IsO (the International Organization for Standardization) is a worldwide federation of national standards bodies (isO member bodies). The work of preparing International Standards is normally carried out through ISO technical committees. Each member body interested in a subject for which a technical committee has been non-governmental, in liaison with IsO, also take part in the work. IsO collaborates closely with the InternationalElectrotechnicalCommission(lEC)onallmattersofelectrotechnicalstandardization. International Standards are drafted in accordance with the rules given in the ISO/lEc Directives, Part 2 The main task of technical committees is to prepare International Standards. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an International Standard requires approval by at least75%of the memberbodies castinga vote Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. IsO shall not be held responsible for identifying any or all such patent rights. ISo 6646 was prepared by Technical Committee ISO/TC 34, Food products, Subcommittee SC 4, Cereals andpulses. This third edition cancels and replaces the second edition (IsO 6646:2000), which has been technically revised. @Iso2011-Allrights reserved ili BS ISO 6646:2011 ISO 6646:2011(E) Introduction The milling yields obtained from abrasive testing mills of the same model, although with differing adjustments, may vary more widely than those obtained from different types of abrasive testing mill. This International Standard specifies a method for the determination of milling yield, to ensure that results obtained by different operators using abrasive test mills are comparable. iv @ ISO 2011All rights reserved BS ISO 6646:2011 INTERNATIONALSTANDARD ISO 6646:2011(E) Rice Determination of the potential milling yield from paddy and from husked rice 1 Scope This International Standard specifies a laboratory method for the determination of the yield of husked rice obtained from paddy or parboiled paddy (Oryza sativa L.), and for the determination of the yield of milled head rice obtained from paddy or parboiled paddy, or from hu