5100.-000 BSI Tobacco Determination of the content of reducing substances - Continuous-flow 18:26, analysis method 28/06/2009 Sheffield, TheUniversityof ICS 65.160 BSi National foreword BSI This British Standard reproduces verbatim IS0 15153:2003 and implements it as the UK national standard. The UK participation in its preparation was entrusted to Technical Committee () AW/4o, Tobacco and tobacco products, which has the responsibility to: Copy, aid enquirers to understand the text; present to the responsible international/European committee any Uncontrolled 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 request to its secretary. 18:26, Cross-references The British Standards which implement international or European publications referred to in this document may be found in the BSI Catalogue under the section entitled “International Standards Correspondence Index", or 28/06/2009 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. f Sheffield, of The University Summary of pages This document comprises a front cover, an inside front cover, the ISO title page, pages ii to V, a blank page, pages 1 to 6, an inside back cover and a back cover. The BSI copyright notice displayed in this document indicates when the document was last issued. X This British Standard was published undertheauthority of the Standards Policy and Amendments issued since publication Strategy Committee on 16May2003 Amd. No. Date Comments Licensed C BSI 16 May 2003 ISBN 0 580 41888 X ISO INTERNATIONAL STANDARD 15153 BS , Uncontrolled Copy, (c) First edition 2003-04-15 18:26, Tobacco Determination of the content of reducing substances Continuous-flow analysis method 28/06/2009 Tabac-Determination delateneurensubstancesreductrices- Methode par analyse en flux continu f Sheffield, of The University I Copy: X X, Licensed Reference number ISO 15153:2003(E) BS , Uncontrolled Copy, (c) f Sheffield, 28/06/2009 18:26, S B () Copy, Contents Page 1 Scope 2 Principle Uncontrolled 3 Reagents . 4 Apparatus 2 5 Procedure 2 6 Calculation 3 7 Repeatability and reproducibility 3 8 Test report 18:26, 3 Annex A (informative) Example of a continuous-flow analyser Bibliography f Sheffield, of University The Licensed BSI Foreword Copy, 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 led technical committees. Each member body interested in a subject for which a technical committee has been OJ non-governmental, in liaison with isO, also take part in the work. IsO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization, C Jnco adopted by the technical committees are circulated to the member bodies for voting. Publication as an :26 International Standard requires approval by at least 75 % of the member bodies casting a vote 28/06/2009 rights. IsO shall not be held responsible for identifying any or all such patent rights ISO 15153 was prepared by Technical Committee ISO/TC 126, Tobacco and tobacco products, Subcommittee SC 2, Leaf tobacco. f Sheffield, ot The University Licensed BSI (c) Copy, Introduction A CORESTA1) Task Force studied the various widely used procedures for the determination of reducing sugars in tobacco in order to adopt one of them as the CORESTA Recommended Method. Two procedures were Uncontrolled adopted as ISO 15154 and this International Standard. Studies