DIN EN ISO 3908-2010 Hardmetals - Determination of insoluble (free) carbon - Gravimetric method (ISO 3908 2009) German version EN ISO 3908 2009《硬质合金 不溶解(游离)碳素测定 重量法(ISO 3908-2009) .pdf
《DIN EN ISO 3908-2010 Hardmetals - Determination of insoluble (free) carbon - Gravimetric method (ISO 3908 2009) German version EN ISO 3908 2009《硬质合金 不溶解(游离)碳素测定 重量法(ISO 3908-2009) .pdf》由会员分享,可在线阅读,更多相关《DIN EN ISO 3908-2010 Hardmetals - Determination of insoluble (free) carbon - Gravimetric method (ISO 3908 2009) German version EN ISO 3908 2009《硬质合金 不溶解(游离)碳素测定 重量法(ISO 3908-2009) .pdf(9页珍藏版)》请在麦多课文档分享上搜索。
1、February 2010 Translation by DIN-Sprachendienst.English price group 6No 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).IC
2、S 77.160!$Gs“1573680www.din.deDDIN EN ISO 3908Hardmetals Determination of insoluble (free) carbon Gravimetric method (ISO 3908:2009)English translation of DIN EN ISO 3908:2010-02Hartmetalle Bestimmung des unlslichen (freien) Kohlenstoff-Gehaltes Gravimetrisches Verfahren (ISO 3908:2009)Englische ber
3、setzung von DIN EN ISO 3908:2010-02Mtaux-durs Dosage du carbone insoluble (libre) Mthode gravimtrique (ISO 3908:2009)Traduction anglaise de DIN EN ISO 3908:2010-02SupersedesDIN ISO 3908:1991-07www.beuth.deIn case of doubt, the German-language original shall be considered authoritative.Document compr
4、ises 9 pages02.10 DIN EN ISO 3908:2010-02 2 National foreword This standard has been prepared by Technical Committee ISO/TC 119 “Powder metallurgy” (Secretariat: SIS, Sweden) in collaboration with Technical Committee CEN/SS M11 “Powder metallurgy” (Secretariat: CMC). The responsible German body invo
5、lved in its preparation was the Normenausschuss Werkstofftechnologie (Technology of Materials Standards Committee), Working Committee NA 145-01-04 AA Probenahme und Prfverfahren fr Hartmetalle. The DIN Standard corresponding to the International Standard referred to in this document is as follows: I
6、SO 3907:2009 DIN EN ISO 3907:2010-02 Amendments This standard differs from DIN ISO 3908:1991-07 as follows: a) The standard has been editorially revised. b) In the German version, the national footnote has been deleted. Previous editions DIN ISO 3908: 1991-07 National Annex NA (informative) Bibliogr
7、aphy DIN EN ISO 3907:2010-02, Hardmetals Determination of total carbon content Gravimetric method SO 3907:2009(I ) A comma is used as the decimal marker. EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN ISO 3908 October 2009 ICS 77.160 Supersedes EN 23908:1993English Version Hardmetals - Determi
8、nation of insoluble (free) carbon - Gravimetric method (ISO 3908:2009) Mtaux-durs - Dosage du carbone insoluble (libre) - Mthode gravimtrique (ISO 3908:2009) Hartmetalle - Bestimmung des unlslichen (freien) Kohlenstoffgehaltes - Gravimetrisches Verfahren (ISO 3908:2009) This European Standard was ap
9、proved by CEN on 29 September 2009. 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 bibliographical references concerning such nat
10、ional 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 a CEN member into its own language and
11、 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, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembour
12、g, 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 Marnix 17, B-1000 Brussels 2009 CEN All rights o
13、f exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN ISO 3908:2009: E2 DIN EN ISO 3908:2010-02 EN ISO 3908:2009 (E) Contents Page Foreword 3 1 Scope4 2 Normative references4 3 Principle .4 4 Reagents 4 5 Apparatus.5 6 Sampling 5 7 Procedure.5 7.1 Test
14、portion5 7.2 Attack5 7.3 Preparation of the Gooch crucible 5 7.4 Filtering.6 7.5 Blank test .6 7.6 Determination 6 8 Expression of results6 8.1 Calculation .6 8.2 Tolerances6 8.3 Final result .7 9 Test report7 Foreword 3 This European Standard shall be given the status of a national standard, either
15、 by publication of an identical text or by endorsement, at the latest by April 2010, and conflicting national standards shall be withdrawn at the latest by April 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 CEN
16、ELEC shall not be held responsible for identifying any or all such patent rights. This document supersedes EN 23908:1993. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium
17、, Bulgaria, 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 the United Kingdom. Endorsement notice Th
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