ISO INTERNATIONAL STANDARD 9727-7 First edition 2007-05-15 Cylindrical cork stoppers -- Physical tests - Part 7: Determination of dust content Bouchons cylindriques en liege-Essais physiques- Partie 7: Determination de la quantite de poussieres Reference number ISO 9727-7:2007(E) ISo @ISO 2007 ISO 9727-7:2007(E) PDF disclaimer 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. The Iso Central Secretariat accepts no liability in this area. Adobe is atrademarkofAdobeSystems 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 the unlikely event that a problem relating to it is found, please inform the Central Secretariat at the address given below. COPYRIGHTPROTECTEDDOCUMENT ISO 2007 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 sO at the address below or ISO's member body in the country of the requester. ISO copyright office Casepostale56.CH-1211Geneva20 Tel. + 41 22 749 01 11 Fax+41227490947 E-mail [email protected] Web www.iso.org Published in Switzerland ii @ IS0 2007 - All rights reserved ISO9727-7:2007(E) Foreword Iso (the International Organization for Standardization) is a worldwide federation of national standards bodies International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. International Standards are drafted in accordance with the rules given in the ISO/lEc Directives, Part 2 adopted by the technical committees are circulated to the member bodies for voting. Publication as an 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 ISO9727-7was prepared by Technical Committee ISO/TC 87,Cork. This first edition of ISo 9727-7, together with the other parts of Iso 9727:2007, cancels and replaces ISO 9727:1991, which has been technically revised. Part 1: Determination of dimensions Part 3:Determination of humidity content Part 4:Determinationof dimensionalrecoveryafter compression Part 5:Determination of extractionforce Part 6: Determination of liquid tightness Part 7:Determination of dust content @ IS0 2007 - All rights reserved ili INTERNATIONALSTANDARD ISO 9727-7:2007(E) Cylindrical cork stoppers Physical tests Part 7: Determination of dust content 1 Scope This part of iso 9727 specifies a test method for determining the dust content of a cylindrical cork stopper It is applicable to all types of cylindrical cork stoppers ready for use, intended to be completely inserted in the bottle neck (straight cork stoppers). 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. Iso 633, Cork-Vocabulary 3 Terms and definitions 3.1 straight cork stopper 《ras de bague》 stopper which is completely introduced in the bottle neck, its superior end reaching the top border of thebottle 4 Materials 4.1 Ethanolic solution (1o %), prepared with demineralised water and previously filtered through a membrane of 1,2 μm porosity. 5 Apparatus 5.1 Conical flask, of 500 ml capacity, with a bottom diameter of at least 100 mm. 5.2 Orbital stirrer, allowing to reach a rotational frequency between 140 r/min and 160 r/min. 5.3 Glass orstainless-steel filter, fixedtoa vacuumdevice. 5.4 Mem