BS ISO BRITISH STANDARD 23713:2005 Pulps - Determination of fibre coarseness by automated optical analysis - Polarized light method ICS 85.040 BSi NOCOPYINGWITHOUTBSIPERMISSIONEXCEPTASPERMITTEDBYCOPYRIGHTL British Standards BS ISO 23713:2005 National foreword This British Standard reproduces verbatim IS0 23713:2005 and implements it as the UK national standard. The UK participation in its preparation was entrusted to Technical Committee PAI/11, Methods of test for paper, board and pulps, 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 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 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.Usersareresponsibleforitscorrectapplication. 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 i to iv, pages 1 to 8, an inside back cover and a back cover. The BSI copyright notice displayed in this document indicates when the document was last issued. Amendments issued since publication This British Standard was published under the authority Amd. No. Date Comments of the Standards Policy and StrategyCommittee on21October2005 @ BSI 21 October 2005 ISBN 0 580 46433 4 BS IS0 23713:2005 INTERNATIONAL ISO STANDARD 23713 First edition 2005-07-01 Pulps Determination of fibre coarseness by automated optical analysis Polarized light method PatesDétermination de la grosseur de fibre par analyse optique automatisée- Méthode de la lumiere polarisée Reference number ISO 23713:2005(E) ISO i BS IS0 23713:2005 Contents Page 1 Scope.. 2 Normative references.... 3 Terms and definitions 4 5 Apparatus and materials .. 2 6 Sampling and preparation of specimen. 7 Measurement and verification procedures..... 8 Calculation and expression of results , 5 Test report. Bibliography. .8 ii BS IS0 23713:2005 Foreword IsO (the International Organization for Standardization) is a worldwide federation of national standards bodies established has the right to be represented on that committee. International organizations, governmental and Electrotechnical Commission (IEC) on all matters of electrotechnical standardization The main task of technical committees is to prepare International Standards. Draft International Standards 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 23713 was prepared by Technical Committee ISO/TC 6, Paper, board and pulps, Subcommittee SC 5, Test methodsandqualityspecificationsforpulps iv BS ISO 23713:2005 Pulps - Determination of fibre coarseness by automated optical analysis Polarized light method 1 Scope This International Standard specifies a method for determining fibre coarseness using polarized light. The method is applicable to all kinds of pulp that polarize light. However fibrous particles shorter than O,2 mm the results. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated (including any amendments) applies. ISO 638, Pulps - Determination of dry matter content IsO 4119, Pulp