ISO INTERNATIONAL STANDARD 12080-1 IDF 142-1 Second edition 2009-10-01 Dried skimmed milk Determination of vitamin A content Part 1: Colorimetric method Lait écréme en poudre - Détermination de la teneur en vitamine A - Partie 1: Methode colorimetrique Reference numbers ISO 12080-1:2009(E) so IDF 142-1:2009(E) @ ISO and IDF 2009 ISO 12080-1:2009(E) IDF142-1:2009(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 parameters were optimized for printing. Every care has been taken to ensure that the file is suitable for use by IsO member bodies 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. COPYRIGHT PROTECTED DOCUMENT @ ISO and IDF 2009 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 Diamant Building · Boulevard Auguste Reyers 80 · B-1030 Brussels 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 Web www.fil-idf.org Published in Switzerland ii @ ISO and IDF 2009 - All rights reserved ISO 12080-1:2009(E) IDF 142-1:2009(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 established has the right to be represented on that committee. International organizations, 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 adopted by the technical committees are circulated to the member bodies for voting. Publication as 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 12080-1liDF 142-1 was prepared by Technical Committee ISO/TC 34, Food products, Subcommittee and IDF ISO 12080liDF 142 consists of the following parts, under the general title Dried skimmed milk- Determination of vitamin A content: Part 1: Colorimetric method Part 2: Method using high-performance liquid chromatography which it constitutes a minor revision. @ ISO and IDF 2009 - All rights reserved ili