BS ISO BRITISH STANDARD 17129:2006 Milk powder Determination of soy and pea proteins using capillary electrophoresis in the presence of sodium dodecyl sulfate (SDS-CE) Screening method ICS 67.100.01 BSi NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW British Standards BSISO17129:2006 National foreword ThisBritishStandardreproducesverbatimIS017129:2006andimplementsit as the UK national standard. The UK participation in its preparation was entrusted to Technical Committee AW/5, Milk and milk products, which has the responsibility to: aid enquirers tounderstand thetext; present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep UK interests informed; monitor related international and European developments and promulgate them in the UK. A list of organizations represented on this committee can be obtained on request to its secretary. Cross-references The British Standards which implement international publications referred to inthisdocumentmaybefoundintheBSICatalogueunderthesectionentitled "International Standards Correspondence Index",or by using the“Search facility of the BSI Electronic Catalogue or of British Standards Online This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Compliance with a British Standard does not ofitself confer immunity from legal obligations. Summary of pages This document comprises a front cover, an inside front cover, the ISO title page, pages ii to vi, pages 1 to 13 and a back cover. The BSI copyright notice displayed in this document indicates when the document was last issued. This British Standard was Amendmentsissuedsincepublication published under the authority of the Standards Policy and Amd. No. Date Comments Strategy Committee on31July2006 BSI 2006 ISBN0580490254 BSISO17129:2006 ISO INTERNATIONAL STANDARD 17129 IDF 206 First edition 2006-07-01 Milk powder Determination of soy and pea proteins using capillary electrophoresis in the presence of sodium dodecyl sulfate (SDS-CE) - Screening method Lait en poudre-Determination des proteines de soja et de pois par électrophorese capillaire enprésence dedodecyl sulfatede sodium (SDS-CE)Methode de criblage Reference numbers ISO 17129:2006(E) IDF206:2006(E) ISO ii BSISO17129:2006 Contents Page Foreword. iv Foreword Introduction. 1 Scope 2 Normative references... Terms and definitions... 4 Principle.. 5 Reagents 6 Apparatus. 7 Sampling 8 Preparation.. 8.1 Protein content oftest sample 8.2 Preparation of test portion.... 9 Procedure 9.1 Operating conditions... 9.2 Testing instrument suitability. 9.3 Qualitative analysis. 9.4 Quantitative analysis.. 10 Calculationandexpressionofresults. 10.1 Qualitative analysis... 10.2 Quantitative analysis. 11 Precision... 11.1 Interlaboratorytest 11.2 Repeatability..... 11.3 Reproducibility. 12 Test report. AnnexA(informative)Examples ofelectropherograms AnnexB(informative)Interlaboratorytrials Bibliography .... ili BSIS017129:2006 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 International Electrotechnical Commission (IEC)on allmatters 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 byat least 75%of thememberbodies castinga vote rights. isO shall not be held responsible for identifying any or all such patent rights. ISO17129JI