BS-EN-ISO-172-1998.pdf
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1、BRITISH STANDARD BS EN ISO 172:1998 Implementing Amendment No. 1 to BS 2782-4: Method 451L:1980 (renumbers the BS as BS EN ISO 172:1998) not published separately Plastics Phenol-formaldehyde mouldings Detection of free ammonia (ISO 172:1978) ICS 83.140.99 Licensed Copy: sheffieldun sheffieldun, na,
2、Mon Nov 20 02:09:13 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS EN ISO 172:1998 BSI 05-1999 ISBN 0 580 11301 9 Foreword This British Standard is technically identical to International Standard ISO 172:1978 Plastics Phenol-formaldehyde mouldings Detection of free ammonia. In 1998 the European Commi
3、ttee for Standardization (CEN) accepted ISO 172:1978 as European Standard EN ISO 172:1998. A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are responsible for their correct application. Compliance with a British Standard does not
4、of itself confer immunity from legal obligations. Summary of pages This document comprises a front cover, an inside front cover, pages i and ii, the EN ISO title page, pages 2 and 3 and a back cover. This standard has been updated (see copyright date) and may have had amendments incorporated. This w
5、ill be indicated in the amendment table on the inside front cover. Amendments issued since publication Amd. No.DateComments 10253October 1998Implementing European Standard Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 20 02:09:13 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS EN ISO 172:1998 BS
6、I 05-1999i Contents Page National forewordInside front cover Foreword2 Text of EN ISO 1723 Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 20 02:09:13 GMT+00:00 2006, Uncontrolled Copy, (c) BSI ii blank Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 20 02:09:13 GMT+00:00 2006, Uncontrolled
7、Copy, (c) BSI EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN ISO 172 July 1998 ICS 83.080.10 Descriptors: See ISO document English version Plastics Phenol-formaldehyde mouldings Detection of free ammonia (ISO 172:1978) Plastiques Pices moules base de phnoplastes Recherche de la prsence dammoni
8、ac libre (ISO 172:1978) Kunststoffe Phenoplast-Formteile Nachweis von freiem Ammoniak (ISO 172:1978) This European Standard was approved by CEN on 12 June 1998. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard
9、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 official versions (English, French, Germ
10、an). 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, Belgium, Czech Republic, Denmark, Fi
11、nland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. CEN European Committee for Standardization Comit Europen de Normalisation Europisches Komitee fr Normung Central Secretariat: rue de Stassart 36, B-1050
12、Brussels 1998 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members Ref. No. EN ISO 172:1998 E Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 20 02:09:13 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN ISO 172:1998 BSI 05-1999 2 Foreword The text
13、of the International Standard from Technical Committee ISO/TC 61, Plastics, of the International Organization for Standardization (ISO) has been taken over as a European Standard by Technical Committee CEN/TC 249, Plastics, the secretariat of which is held by IBN. This European Standard shall be giv
14、en the status of a national standard, either by publication of an identical text or by endorsement, at the latest by January 1999, and conflicting national standards shall be withdrawn at the latest by January 1999. According to CEN/CENELEC Internal Regulations, the national standards organizations
15、of the following countries are bound to implement this European Standard: Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and the United Kingdom. Endorsement notice The text of
16、 the International Standard ISO 172:1978 has been approved by CEN as a European Standard without any modification. Contents Page Foreword2 1Scope and field of application3 2Principle3 3Apparatus3 4Preparation of test sample3 5Procedure3 6Expression of results3 7Test report3 Licensed Copy: sheffieldu
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