BS-EN-ISO-3071-2006.pdf
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1、BRITISH STANDARD BS EN ISO 3071:2006 Textiles Determination of pH of aqueous extract The European Standard EN ISO 3071:2006 has the status of a British Standard ICS 59.080.01 ? Licensed Copy: sheffieldun sheffieldun, na, Sun Nov 19 13:35:39 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS EN ISO 3071:2
2、006 This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 March 2006 BSI ISBN 0 580 47998 6 National foreword This British Standard is the official English language version of EN ISO 3071:2006. It is identical with ISO 3071:2005. It supersedes B
3、S EN 1413:1998 which is withdrawn. The UK participation in its preparation was entrusted to Technical Committee TCI/80, Textiles Chemical testing, which has the responsibility to: A list of organizations represented on this committee can be obtained on request to its secretary. Cross-references The
4、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 the BSI Electronic Catalogue or of British Standards
5、 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 enquirers to understand the text; present to the resp
6、onsible 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 document comprises a front cover, an inside front cover,
7、 the EN ISO title page, the EN ISO foreword page, the ISO title page, pages ii to v, a blank page, 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 issued since publication Amd. No. DateCo
8、mments Licensed Copy: sheffieldun sheffieldun, na, Sun Nov 19 13:35:39 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN ISO 3071 March 2006 ICS 59.080.01Supersedes EN 1413:1998 English Version Textiles Determination of pH of aqueous extract (ISO 3071:20
9、05) Textiles Dtermination du pH de lextrait aqueux (ISO 3071:2005) Textilien Bestimmung des pH des wssrigen Extraktes (ISO 3071:2005) This European Standard was approved by CEN on 3 February 2006. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the condition
10、s 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 any CEN member. This European Standard exists in three offi
11、cial 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. CEN members are the national standards bodies of Austria,
12、Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STAND
13、ARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: rue de Stassart, 36 B-1050 Brussels 2006 CENAll rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN ISO 3071:2006: E Licensed Copy: sheffieldun sheffie
14、ldun, na, Sun Nov 19 13:35:39 GMT+00:00 2006, Uncontrolled Copy, (c) BSI Foreword The text of ISO 3071:2005 has been prepared by Technical Committee ISO/TC 38 “Textiles” of the International Organization for Standardization (ISO) and has been taken over as EN ISO 3071:2006 by Technical Committee CEN
15、/TC 248 “Textiles and textile products“, the secretariat of which is held by BSI. 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 September 2006, and conflicting national standards shall be withdr
16、awn at the latest by September 2006. This document supersedes EN 1413:1998. 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, Fi
17、nland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. Endorsement notice The text of ISO 3071:2005 has been approved by CEN as EN ISO 3
18、071:2006 without any modifications. EN ISO 3071:2006 Licensed Copy: sheffieldun sheffieldun, na, Sun Nov 19 13:35:39 GMT+00:00 2006, Uncontrolled Copy, (c) BSI Reference number ISO 3071:2005(E) INTERNATIONAL STANDARD ISO 3071 Third edition 2005-06-15 Textiles Determination of pH of aqueous extract T
19、extiles Dtermination du pH de lextrait aqueux EN ISO 3071:2006 Licensed Copy: sheffieldun sheffieldun, na, Sun Nov 19 13:35:39 GMT+00:00 2006, Uncontrolled Copy, (c) BSI ii Licensed Copy: sheffieldun sheffieldun, na, Sun Nov 19 13:35:39 GMT+00:00 2006, Uncontrolled Copy, (c) BSI iii Contents Page Fo
20、reword iv Introduction v 1 Scope . 1 2 Normative references. 1 3 Terms and definitions. 1 4 Principle. 1 5 Reagents 1 6 Apparatus 2 7 Preparation of test samples. 2 8 Procedure 2 8.1 Preparation of the aqueous extract 2 8.2 Measurement of the pH of the aqueous extract 2 9 Calculation. 3 10 Precision
21、 3 11 Test report . 3 Annex A (informative) Preparation of standard buffer solutions 4 EN ISO 3071:2006 Licensed Copy: sheffieldun sheffieldun, na, Sun Nov 19 13:35:39 GMT+00:00 2006, Uncontrolled Copy, (c) BSI iv Foreword ISO (the International Organization for Standardization) is a worldwide feder
22、ation 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 represented on that commit
23、tee. 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 drafted in accordanc
24、e 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 International Standard requires a
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