1、August 2010 Translation by DIN-Sprachendienst.English price group 8No part of this translation may be reproduced without 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).ICS
2、77.080.01!$j6“1712919www.din.deDDIN EN ISO 439Steel and iron Determination of total silicon content Gravimetric method (ISO 439:1994)English translation of DIN EN ISO 439:2010-08Stahl und Eisen Bestimmung des Gesamtsiliziumgehaltes Gravimetrisches Verfahren (ISO 439:1994)Englische bersetzung von DIN
3、 EN ISO 439:2010-08Aciers et fontes Dosage du silicium total Mthode gravimtrique (ISO 439:1994)Traduction anglaise de DIN EN ISO 439:2010-08www.beuth.deIn case of doubt, the German-language original shall be considered authoritative.Document comprises 11 pages07.10 DIN EN ISO 439:2010-08 2 A comma i
4、s used as the decimal marker. National foreword This standard has been prepared by Technical Committee ISO/TC 17 “Steel” and has been taken over by Technical Committee ECISS/TC 102 “Methods of chemical analysis for iron and steel” (Secretariat: SIS, Sweden) as a European Standard without any modific
5、ation. The responsible German body involved in its preparation was the Normenausschuss Eisen und Stahl (Iron and Steel Standards Committee), Working Committee NA 021-00-30 AA Analysenverfahren. There is no national standard on the subject. EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN ISO 439
6、 April 2010 ICS 77.080.01 English Version Steel and iron - Determination of total silicon content - Gravimetric method (ISO 439:1994) Aciers et fontes - Dosage du silicium total - Mthode gravimtrique (ISO 439:1994) Stahl und Eisen - Bestimmung des Gesamtsiliziumgehaltes - Gravimetrisches Verfahren (
7、ISO 439:1994) This European Standard was approved by CEN on 18 March 2010. CEN members are bound to comply 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 bibliog
8、raphical references concerning such national standards may be obtained on application to the CEN Management 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
9、 a CEN member into its own language and notified to the CEN Management Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Icela
10、nd, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: Avenue
11、Marnix 17, B-1000 Brussels 2010 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN ISO 439:2010: EDIN EN ISO 439:2010-08 EN ISO 439:2010 (E) 2 Contents Page Foreword3 1 Scope 4 2 Normative references 4 3 Principle4 4 Reagents.4 5 Appa
12、ratus .5 6 Sampling.5 7 Procedure .5 7.1 Test portion 5 7.2 Blank test5 7.3 Determination.5 8 Expression of results 6 8.1 Method of calculation6 8.2 Precision.6 9 Test report 7 Annex A (normative) Additional information on the international cooperative tests 8 Annex B (informative) Graphical represe
13、ntation of precision data .9 DIN EN ISO 439:2010-08 EN 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 Technical Committee ECISS/T
14、C 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 conflicting national standards sh
15、all 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 to the CEN/CENELEC Internal
16、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, Latvia, Lithuania, Luxembourg
17、 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. DIN EN ISO 439:2010-08 EN ISO 439:2010 (E) 4 DIN EN ISO 439:2010-08 EN ISO 439:2010 (E) 5 DIN EN ISO 439:2010-08 EN ISO 439:2010 (E) 6 DIN EN ISO 439:2010-08 EN ISO 439:2010 (E) 7 DIN EN ISO 439:2010-08 EN ISO 439:2010 (E) 8 DIN EN ISO 439:2010-08 EN ISO 439:2010 (E) 9
