BS-EN-ISO-24450-2005.pdf
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1、BRITISH STANDARD BS EN ISO 24450:2005 Laboratory glassware Wide-necked boiling flasks The European Standard EN ISO 24450:2005 has the status of a British Standard ICS 71.040.20 ? Licensed Copy: sheffieldun sheffieldun, na, Sun Nov 19 15:33:23 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS EN ISO 2445
2、0:2005 This British Standard was published under the authority of the Standards Policy and Strategy Committee on 23 January 2006 BSI 23 January 2006 ISBN 0 580 47137 3 National foreword This British Standard is the official English language version of EN ISO 24450:2005. It is identical with ISO 2445
3、0:2005. The UK participation in its preparation was entrusted by Technical Committee LBI/36, Laboratory glassware and related accessories, to Subcommittee LBI/36/1, General and volumetric glass, which has the responsibility to: A list of organizations represented on this subcommittee can be obtained
4、 on request to its secretary. 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 by using the “Search” facility of t
5、he 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. aid en
6、quirers 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. Summary of pages This docum
7、ent comprises a front cover, an inside front cover, the EN ISO title page, the EN ISO foreword page, the ISO title page, pages ii to iv, pages 1 to 4, an inside back cover and a back cover. The BSI copyright notice displayed in this document indicates when the document was last issued. Amendments is
8、sued since publication Amd. No. DateComments Licensed Copy: sheffieldun sheffieldun, na, Sun Nov 19 15:33:23 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN ISO 24450 November 2005 ICS 71.040.20 English Version Laboratory glassware - Wide-necked boilin
9、g flasks (ISO 24450:2005) Verrerie de laboratoire - Fioles coniques et ballons col large (ISO 24450:2005) Laborgerte aus Glas - Erlenmeyer-, Rund- und Stehkolben, weithalsig (ISO 24450:2005) This European Standard was approved by CEN on 28 October 2005. CEN members are bound to comply with the CEN/C
10、ENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the Central Secretariat or to an
11、y CEN member. This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the Central Secretariat has the same status as the official versions. C
12、EN members are the national standards bodies of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland
13、and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: rue de Stassart, 36 B-1050 Brussels 2005 CENAll rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN ISO
14、 24450:2005: E Licensed Copy: sheffieldun sheffieldun, na, Sun Nov 19 15:33:23 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN ISO 24450:2005 Foreword This document (EN ISO 24450:2005) has been prepared by Technical Committee ISO/TC 48 “Laboratory glassware and related apparatus“ in collaboration with
15、 Technical Committee CEN/TC 332 “Laboratory equipment“, the secretariat of which is held by DIN. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by May 2006, and conflicting national standards shall
16、be withdrawn at the latest by May 2006. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hung
17、ary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. Endorsement notice The text of ISO 24450:2005 has been approved by CEN as EN ISO 24450:2005 without any modifications. License
18、d Copy: sheffieldun sheffieldun, na, Sun Nov 19 15:33:23 GMT+00:00 2006, Uncontrolled Copy, (c) BSI Reference number ISO 24450:2005(E) INTERNATIONAL STANDARD ISO 24450 First edition 2005-11-01 Laboratory glassware Wide-necked boiling flasks Verrerie de laboratoire Fioles coniques et ballons col larg
19、e EN ISO 24450:2005 Licensed Copy: sheffieldun sheffieldun, na, Sun Nov 19 15:33:23 GMT+00:00 2006, Uncontrolled Copy, (c) BSI ii Licensed Copy: sheffieldun sheffieldun, na, Sun Nov 19 15:33:23 GMT+00:00 2006, Uncontrolled Copy, (c) BSI iii Contents Page Foreword iv 1 Scope . 1 2 Normative reference
20、s. 1 3 Series and capacities . 1 4 Material 2 5 Construction and dimensions. 2 6 Marking 3 Bibliography. 4 EN ISO 24450:2005 Licensed Copy: sheffieldun sheffieldun, na, Sun Nov 19 15:33:23 GMT+00:00 2006, Uncontrolled Copy, (c) BSI iv Foreword ISO (the International Organization for Standardization)
21、 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 has been established has the right to be repre
22、sented 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 standardization. International Standards are
23、 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 bodies for voting. Publication as an Internationa
24、l 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 24450 was prep
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