ISO INTERNATIONAL STANDARD 1740 IDF 6 Third edition 2004-12-01 Milkfat products and butter - Determination of fat acidity (Reference method) Produits a matiere grasse laitiere et beurre - Determination de I'acidite de la matiere grasse (Methode de reference) Reference numbers ISO 1740:2004(E) IDF 6:2004(E) @ ISO and IDF 2004 y IHS under 1/997254500 07:36:33 MD ISO 1740:2004(E) IDF 6:2004(E) PDF disclaimer 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 file, parties accept therein the responsibility of not infringing Adobe's licensing policy. Neither the ISo Central Secretariat nor the IDF accepts any liability in this area. Adobe is a trademark of 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 and IDF national committees. In the unlikely event that a problem relating to it is found, please inform the ISO Central Secretariat at the address given below. ?ISOandIDF2004 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, address below. ISO copyright office International Dairy Federation Case postale 56 . CH-1211 Geneva 20 DiamantBuilding·BoulevardAugusteReyers80B-1030Brussels Tel. + 41 22 749 01 11 Tel. + 32 2 733 98 88 Fax + 41 22 749 09 47 Fax + 32 2 733 04 13 E-mail [email protected] E-mail [email protected] Web www.iso.org yationagazaiSandardizatio @ ISO and IDF 2004 - All rights reserved 1/9972545001 d without license from IHS ISO 1740:2004(E) IDF 6:2004(E) Contents Foreword 1 Scope 2 Terms and definitions 3 Principle, 4 Reagents. 5 Apparatus.. 6 Sampling. 3 7 Procedure. 7.1 Preparation of test sample. 3 7.2 Test portion 7.3 Determinatior 7.4 Blank test. 7.5 Check test.. 8 Expression of results.. 9 Precision. 5 9.1 Interlaboratory test 9.2 Repeatability 5 9.3 Reproducibility 10 Testrepori 6 Bibliography ii e from IHS ISO 1740:2004(E) IDF 6:2004(E) Foreword IsO(theInternationalOrganizationforStandardization)isa worldwidefederationof 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 beenestablishedhastherighttoberepresentedonthatcommittee.Internationalorganizations,governmental International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. 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 adoptedbythetechnical committeesarecirculatedtothememberbodiesfor voting.Publicationas an International Standard requires approval by at least 75 % of the member bodies casting a 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 1740liDF 6 was prepared by Technical Committee ISO/TC 34, Food products, Subcommittee SC 5, Milk being published jointly by ISO and IDF and separately by AOAC International. This edition of ISO 1740liDF 6 cancels and replaces ISO 1740:1991, of which it constitutes a minor revision. Only editorial changes have been made. ional Organization for Standardization @ ISO and IDF 2004-All rights reserved ISO.1740:2004(E) IDF 6:2004(E) Foreword IDF (the International Dairy Federation) is a worldwide federation of the dairy sector with a National Committee in every member country. Every National Committee has the right to be represented on the IDF Standing Committees carrying out