ISO INTERNATIONAL STANDARD 3890-1 IDF 75-1 Second edition 2009-10-15 Milk and milk products Determination of residues of organochlorine compounds (pesticides) - Part 1: General considerations and extraction methods Lait et produits laitiers Détermination des résidus de composés organochloreés (pesticides) Partie 1: Considérations génerales et méthodes d'extraction Reference numbers ISO 3890-1:2009(E) IDF 75-1:2009(E) So @ ISO and IDF 2009 HS unde I without license from IHS Not for Resale ISO 3890-1:2009(E) IDF 75-1:2009(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 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, electronic or mechanical, including photocopying and microfilm, without permission in writing from either IsO or IDF at the respective address below. ISO copyright office International DairyFederation 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 copyright@iso.org E-mail info@fil-idf.org Web www.iso.org Web www.fil-idf.org Published in Switzerland Copyrgh Interatinal Oorganization for Standardization @ISO and IDF 2009-All rights reserved ed by IHS unde I without license from IHS Not for Resale ISO 3890-1:2009(E) IDF 75-1:2009(E) Contents Page Foreword .iv 1 Scope. 2 Normative references... 3 Terms and definitions .. 4 Principle... .2 5 Requirements for reagents and materials ... 6 Requirements for apparatus. 7 Sampling. 8 Preparation of test sample .. 8.1 Milk.... 8.2 Evaporated milk....... .6 8.3 Sweetened condensed milk . 8.4 Powdered milk products... 8.5 Butter and butterfat . 8.6 8.7 Othermilkproducts 9 Procedure 9.1 General 9.2 Extraction 9.3 Clean-up . 10 Preliminary tests.... 11 Quantitative determination... 12 Confirmatory tests..... 13 Evaluation of results .... .8 13.1 Calculation of results . 13.2 Presentation and expression of results .8 14 Precision... 14.1 Evaluation of precision. .9 14.2 Repeatability ..... 9 14.3 Reproducibility 9 14.4 Limit of determination... 10 15 Test report. 10 Annex A (normative) Extraction of fat and organochlorine compounds and determination of fat content............... 11 Annex B (informative) Analysis in the presence of polychlorinated biphenyls (PcBs)... 15 Copyright IntemationalOrganzatinfr standadzaiongAll rights reserved ii ed without license from IHS Not for Resale

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