BS ISO BRITISH STANDARD 2911:2004 Sweetened condensed milk Determination of sucrose content Polarimetric method ICS 67.100.10 BSi NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW British Standards BS ISO 2911:2004 National foreword This British Standard reproduces verbatim IS0 2911:2004 and implements it as the UK national standard.It supersedes BS 1742-6:1990 which is withdrawn. The UK participation in its preparation was entrusted to Technical Committee AW/5, Milk and milk products, which has the responsibility to: aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep the 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 requestto its secretary. Cross-references The British Standards which implement international publications referred to in this document may be found in the BSI Catalogue under the section entitled "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 of itself confer immunity from legal obligations. Summary of pages This document comprises a front cover, an inside front cover, the ISO title page, pages i to v, a blank page, pages 1 to 7 and a back cover. The BSI copyright notice displayed in this document indicates when the document was last issued. Amendments issued sincepublication This British Standard was published under the authority Amd. No. Date Comments of the Standards Policy and Strategy Committee on 23 December 2004 BSI 23 December 2004 ISBN 0 580 45162 3 BS IS0 2911:2004 ISO INTERNATIONAL 2911 STANDARD IDF 35 Second edition 2004-12-01 Sweetened condensed milk Determination of sucrose content - Polarimetric method Laits concentréssucrésDeterminationde lateneuren saccharose-Methode polarimetrique Reference numbers ISO 2911:2004(E) ISO IDF35:2004(E) BS IS0 2911:2004 = BSIS0 2911:2004 Contents Foreword. 1 Scope 2 Normativereferences 3 Terms and definitions. Principle 5 Reagents 6 Apparatus 7 Sampling.. 8 Procedure.... 8.1 Preparationoftestsample 8.2 Checktest 8.3 Determination. 8.4 Direct polarization 8.5 Inversion 8.6 Invert polarization 6 Expressionofresults.. 9.1 Method of calculation and equations.. 9.2 Values of the inversion division factor, 10 Repeatability 11 Test repor Bibliography ii BSIS02911:2004 Foreword Iso (the International Organization for Standardization) is a worldwide federation of national standards been established has the right to be represented on that committee. International organizations,governmental 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 Standardrequiresapproval byat least75%of thememberbodies castingavote rights. IsO shall not be held responsible for identifying any or all such patent rights. It is being published jointly by ISO and IDF and separately by AOAC International. ThiseditionofISO29111IDF35cancelsandreplaceslSO2911:1976,ofwhichitconstitutesaminorrevision Onlyeditorial changes have beenmade. iv BS IS0 2911:2004 Foreword IDF (the International Dairy Federation) is a worldwide federation of the dairy sector with a National the development of standard methods of analysis and sampling for milk and milk products. Draft International Standards adopted by the A