1、BS EN ISO439:2010ICS 77.080.01NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBRITISH STANDARDSteel and iron Determination of totalsilicon content Gravimetric method(ISO 439:1994)This British Standardwas published under theauthority of the StandardsPolicy and StrategyCommittee
2、on 31 May 2010 BSI 2010ISBN 978 0 580 69258 1Amendments/corrigenda issued since publicationDate CommentsBS EN ISO 439:2010National forewordThis British Standard is the UK implementation of EN ISO 439:2010. Itis identical to ISO 439:1994. It supersedes BS 6200-3.26.1:1995 which iswithdrawn.The UK par
3、ticipation in its preparation was entrusted to TechnicalCommittee ISE/102, Methods of chemical analysis for Iron and Steel.A list of organizations represented on this committee can be obtained onrequest to its secretary.This publication does not purport to include all the necessary provisionsof a co
4、ntract. Users are responsible for its correct application.Compliance with a British Standard cannot confer immunityfrom legal obligations.EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN ISO 439 April 2010 ICS 77.080.01 English Version Steel and iron - Determination of total silicon content - Gr
5、avimetric method (ISO 439:1994) Aciers et fontes - Dosage du silicium total - Mthode gravimtrique (ISO 439:1994) Stahl und Eisen - Bestimmung des Gesamtsiliziumgehaltes - Gravimetrisches Verfahren (ISO 439:1994) This European Standard was approved by CEN on 18 March 2010. CEN members are bound to co
6、mply with the CEN/CENELEC 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 CEN Manag
7、ement Centre or to any 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 CEN Management Centre has the same status as t
8、he official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Roman
9、ia, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: Avenue Marnix 17, B-1000 Brussels 2010 CEN All rights of exploitation in any form and by any means reserved w
10、orldwide for CEN national Members. Ref. No. EN ISO 439:2010: EBS EN ISO 439:2010EN ISO 439:2010 (E) 3 Foreword The text of ISO 439:1994 has been prepared by Technical Committee ISO/TC 17 “Steel” of the International Organization for Standardization (ISO) and has been taken over as EN ISO 439:2010 by
11、 Technical Committee ECISS/TC 102 “Methods of chemical analysis for iron and steel” the secretariat of which is held by SIS. 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 October 2010, and confl
12、icting national standards shall be withdrawn at the latest by October 2010. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN and/or CENELEC shall not be held responsible for identifying any or all such patent rights. According
13、to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, L
14、atvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. Endorsement notice The text of ISO 439:1994 has been approved by CEN as a EN ISO 439:2010 without any modification. BS EN ISO 439:2010BS EN ISO
15、439:2010BS EN ISO 439:2010BS EN ISO 439:2010BS EN ISO 439:2010BS EN ISO 439:2010BS EN ISO 439:2010BS EN ISO 439:2010BS EN ISO 439:2010BS EN ISO 439:2010BS EN ISO 439:2010BS EN ISO 439:2010This page deliberately left blankBS EN ISO439:2010BSI GroupHeadquarters 389Chiswick High Road,London, W4 4AL, UK
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