1、ICS 83.080.20Kunststoffe Bestimmung der Asche Teil 4: Polyamide(ISO 3451-4 : 1998)European Standard EN ISO 3451-4 : 2000 has the status of a DIN Standard.A comma is used as the decimal marker.National forewordThis standard has been published in accordance with a decision taken by CEN/TC 249 Plastics
2、 (Secretariat:Belgium) to adopt, without alteration, International Standard ISO 3451-4 as a European Standard.The responsible German body involved in its preparation was the Normenausschuss Kunststoffe (PlasticsStandards Committee), Technical Committee Polyamid-Formmassen.DIN EN ISO 3451-1 is the st
3、andard corresponding to International Standard ISO 3451-1 referred to inclause 2 of the EN.AmendmentsISO 3451-4 having been adopted as a European Standard, the status of the corresponding DIN Standard(DIN ISO 3451-4) has been changed accordingly.Previous editionDIN ISO 3451-4: 1991-04.National Annex
4、 NAStandard referred to(and not included in Normative reference and Annex ZA)DIN EN ISO 3451-1 Plastics Determination of ash Part 1: General methods (ISO 3451-1 : 1997)Ref. No. DIN EN ISO 3451-4 : 2001-08English price group 07 Sales No. 110712.01DEUTSCHE NORM August 2001EN ISO 3451-4Continued overle
5、af.EN comprises 7 pages. No part of this standard may be reproduced without the prior permission ofDIN Deutsches Institut fr Normung e. V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany,has the exclusive right of sale for German Standards (DIN-Normen).Plastics Determination of ashPart 4: Polyamid
6、es(ISO 3451-4 : 1998)English version of DIN EN ISO 3451-4Supersedes DIN ISO 3451-4,April 1991 edition.English versionICS 83.080.20Descriptors:Plastics Determination of ashPart 4: Polyamides(ISO 3451-4 : 1998) 2000. CEN All rights of exploitation in any form and by any meansreserved worldwide for CEN
7、 national members.Ref. No. EN ISO 3451-4 : 2000 EKunststoffe Bestimmung der Asche Teil 4: Polyamide (ISO 3451-4 : 1998)This European Standard was approved by CEN on 2000-09-08.CEN members are bound to comply with the CEN/CENELEC Internal Regulationswhich stipulate the conditions for giving this Euro
8、pean Standard the status of anational standard without any alteration.Up-to-date lists and bibliographical references concerning such national stand-ards may be obtained on application to the Management Centre or to anyCEN member.The European Standards exist in three official versions (English, Fren
9、ch, German).A version in any other language made by translation under the responsibility of aCEN member into its own language and notified to the Management Centre hasthe same status as the official versions.CEN members are the national standards bodies of Austria, Belgium, the CzechRepublic, Denmar
10、k, Finland, France, Germany, Greece, Iceland, Ireland, Italy,Luxembourg, the Netherlands, Norway, Portugal, Spain, Sweden, Switzerland,and the United Kingdom.EN ISO 3451-4September 2000Management Centre: rue de Stassart 36, B-1050 BrusselsEuropean Committee for StandardizationComit Europen de Normal
11、isationEuropisches Komitee fr Normung|Plastiques Dtermination du tauxde cendres Partie 4: Polyamides(ISO 3451-4 : 1998)SupersedesEN ISO 3451-4 : 1995.Page 2EN ISO 3451-4 : 2000ForewordInternational StandardISO 3451-4 : 2000 Plastics Determination of ash Part 4: Polyamides,which was prepared by ISO/T
12、C 61 Plastics of the International Organization for Standardization, has beenadopted by Technical Committee CEN/TC 249 Plastics, the Secretariat of which is held by IBN, as a EuropeanStandard.This European Standard shall be given the status of a national standard, either by publication of an identic
13、al textor by endorsement, and conflicting national standards withdrawn, by March 2001 at the latest.In accordance with the CEN/CENELEC Internal Regulations, the national standards organizations of thefollowing countries are bound to implement this European Standard:Austria, Belgium, the Czech Republ
14、ic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy,Luxembourg, the Netherlands, Norway, Portugal, Spain, Sweden, Switzerland, and the United Kingdom.Endorsement noticeThe text of the International Standard ISO 3451-4 : 1998 was approved by CEN as a European Standard withoutany modification.NOTE: Normative references to international publications are listed in Annex ZA (normative).3333344444555666Page 3EN ISO 3451-4 : 2000Page 4EN ISO 3451-4 : 2000Page 5EN ISO 3451-4 : 2000Page 6EN ISO 3451-4 : 2000m1m1m0m0srsRrRsr sR r RPage 7EN ISO 3451-4 : 2000
