BS ISO 9727-7-2007 Cylindrical cork stoppers - Physical tests - Determination of dust content《圆柱形软木塞 物理试验 含尘量测定》.pdf
《BS ISO 9727-7-2007 Cylindrical cork stoppers - Physical tests - Determination of dust content《圆柱形软木塞 物理试验 含尘量测定》.pdf》由会员分享,可在线阅读,更多相关《BS ISO 9727-7-2007 Cylindrical cork stoppers - Physical tests - Determination of dust content《圆柱形软木塞 物理试验 含尘量测定》.pdf(10页珍藏版)》请在麦多课文档分享上搜索。
1、BRITISH STANDARD BS ISO 9727-7:2007 Cylindrical cork stoppers Physical tests Part 7: Determination of dust content ICS 55.100; 79.100 BS ISO 9727-7:2007 This British Standard was published under the authority of the Standards Policy and Strategy Committee on 29 June 2007 BSI 2007 ISBN 978 0 580 5294
2、0 5 National foreword This British Standard was published by BSI. It is the UK implementation of ISO 9727-7:2007. The UK participation in its preparation was entrusted to Technical Committee PRI/81, Cork. A list of organizations represented on this committee can be obtained on request to its secreta
3、ry. 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 cannot confer immunity from legal obligations. Amendments issued since publication Amd. No. Date Comments Reference numbe
4、r ISO 9727-7:2007(E)INTERNATIONAL STANDARD ISO 9727-7 First edition 2007-05-15 Cylindrical cork stoppers Physical tests Part 7: Determination of dust content Bouchons cylindriques en lige Essais physiques Partie 7: Dtermination de la quantit de poussires BS ISO 9727-7:2007ii iii Foreword ISO (the In
5、ternational 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 h
6、as been established has the right to be represented on that committee. International organizations, governmental and 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
7、 standardization. International Standards are drafted in accordance with the rules given in the ISO/IEC 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 bodi
8、es 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
9、or all such patent rights. ISO 9727-7 was 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. ISO 9727 consists of the following parts, under the gen
10、eral title Cylindrical cork stoppers Physical tests: Part 1: Determination of dimensions Part 2: Determination of mass and apparent density for agglomerated cork stoppers Part 3: Determination of humidity content Part 4: Determination of dimensional recovery after compression Part 5: Determination o
11、f extraction force Part 6: Determination of liquid tightness Part 7: Determination of dust content BS ISO 9727-7:2007 blank1 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 cyli
12、ndrical 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
13、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 For the purposes of this document, the terms and definitions given in ISO 633 and the following apply
14、. 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 the bottle 4 Materials 4.1 Ethanolic solution (10 %), prepared with demineralised water and previously filtered through a membrane of 1,2 m porosity. 5 Appa
15、ratus 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 or stainless-steel filter, fixed to a vacuum device. 5.4 Membranes and oven, to dry them. BS ISO 9727-7:200
16、72 5.4.1 First possibility 5.4.1.1 Membrane, of cellulose acetate or polycarbonate with 1,2 m porosity. 5.4.1.2 Oven, regulated at 30 C 2 C. 5.4.2 Second possibility 5.4.2.1 Membrane, of glass microfibre with 1,2 m porosity. 5.4.2.2 Oven, regulated at 103 C 4 C. 5.5 Balance, with a resolution inferi
17、or or equal to 0,000 1 g. 5.6 Desiccator, with hygroscopic salt and saturation indicator. 6 Test conditions 6.1 Environment The test shall be carried out in an environment with the following characteristics: temperature 21 C 4 C; relative humidity of air 60 % 20 %. 6.2 Cork stoppers 6.2.1 Temperatur
- 1.请仔细阅读文档,确保文档完整性,对于不预览、不比对内容而直接下载带来的问题本站不予受理。
- 2.下载的文档,不会出现我们的网址水印。
- 3、该文档所得收入(下载+内容+预览)归上传者、原创作者;如果您是本文档原作者,请点此认领!既往收益都归您。
下载文档到电脑,查找使用更方便
5000 积分 0人已下载
下载 | 加入VIP,交流精品资源 |
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- BSISO972772007CYLINDRICALCORKSTOPPERSPHYSICALTESTSDETERMINATIONOFDUSTCONTENT 圆柱形 软木塞 物理 试验 含尘量 测定 PDF
![提示](http://www.mydoc123.com/images/bang_tan.gif)
链接地址:http://www.mydoc123.com/p-396106.html