BS-EN-12441-4-2003.pdf
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1、BRITISH STANDARD BS EN 12441-4:2003 Zinc and zinc alloys Chemical analysis Part 4: Determination of iron in zinc alloys Spectrophotometric method The European Standard EN 12441-4:2003 has the status of a British Standard ICS 77.040.30; 77.120.60 ? Licensed Copy: sheffieldun sheffieldun, na, Sat Oct
2、28 07:06:11 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS EN 12441-4:2003 This British Standard was published under the authority of the Standards Policy and Strategy Committee on 3 April 2003 BSI 3 April 2003 ISBN 0 580 41491 4 National foreword This British Standard is the official English languag
3、e version of EN 12441-4:2003. The UK participation in its preparation was entrusted to Technical Committee NFE/8, Zinc and zinc alloys, which has the responsibility to: A list of organizations represented on this committee can be obtained on request to its secretary. Cross-references The British Sta
4、ndards which implement international or European publications referred to in this document may be found in the BSI Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of British Standards Online. Th
5、is publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. aid enquirers to understand the text; present to the responsible int
6、ernational/European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK. Summary of pages This document comprises a front cover, an inside front cover, the EN
7、 title page, pages 2 to 7 and a back cover. The BSI copyright date displayed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. DateComments Licensed Copy: sheffieldun sheffieldun, na, Sat Oct 28 07:06:11 GMT+00:00 2006, Uncontrolled Copy, (c)
8、BSI EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 12441-4 March 2003 ICS 77.040.30; 77.120.60 English version Zinc and zinc alloys - Chemical analysis - Part 4: Determination of iron in zinc alloys - Spectrophotometric method Zinc et alliages de zinc - Analyse chimique - Partie 4: Dosage du f
9、er dans les alliages de zinc - Mthode spectrophotomtrique Zink und Zinklegierungen - Chemische Analyse - Teil 4: Bestimmung von Eisen in Zinklegierungen - Spektrophotometrisches Verfahren This European Standard was approved by CEN on 21 November 2002. CEN members are bound to comply with the CEN/CEN
10、ELEC 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 Management Centre or to any CE
11、N 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 Management Centre has the same status as the official versions. CEN mem
12、bers are the national standards bodies of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Luxembourg, Malta, Netherlands, Norway, Portugal, Slovakia, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION C
13、OMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: rue de Stassart, 36 B-1050 Brussels 2003 CENAll rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 12441-4:2003 E Licensed Copy: sheffieldun sheffieldun, na, Sat
14、Oct 28 07:06:11 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 12441-4:2003 (E) 2 Contents page Foreword3 1Scope 4 2Normative references 4 3Terms and definitions4 4Principle4 5Reagents.4 6Apparatus .5 7Sampling.5 8Procedure .5 9Calculation and expression of results.7 10Test report 7 Licensed Copy: sh
15、effieldun sheffieldun, na, Sat Oct 28 07:06:11 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 12441-4:2003 (E) 3 Foreword This document (EN 12441-4:2003) has been prepared by Technical Committee CEN /TC 209 “Zinc and zinc alloys“, the secretariat of which is held by AFNOR. This European Standard shal
16、l be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by September 2003, and conflicting national standards shall be withdrawn at the latest by September 2003. Within its programme of work, Technical Committee CEN/TC 209 entrusted C
17、EN/TC 209/WG 6 “Methods of analysis and testing” with the preparation of the following document: EN 12441-4, Zinc and zinc alloys Chemical analysis Part 4: Determination of iron in zinc alloys Spectrophotometric method. This standard is part of a series of eleven standards. The other standards are:
18、EN 12441-1, Zinc and zinc alloys Chemical analysis Part 1: Determination of aluminium in zinc alloys Titrimetric method; EN 12441-2, Zinc and zinc alloys Chemical analysis Part 2: Determination of magnesium in zinc alloys Flame atomic absorption spectrometric method; EN 12441-3, Zinc and zinc alloys
19、 Chemical analysis Part 3: Determination of lead, cadmium and copper Flame atomic absorption spectrometric method; EN 12441-5, Zinc and zinc alloys Chemical analysis Part 5: Determination of iron in primary zinc Spectrophotometric method; EN 12441-6, Zinc and zinc alloys Chemical analysis Part 6: De
20、termination of aluminium and iron Flame atomic absorption spectrometric method; prEN 12441-7, Zinc and zinc alloys Chemical analysis Part 7: Determination of tin Flame atomic absorption spectrometric method after extraction; prEN 12441-8, Zinc and zinc alloys Chemical analysis Part 8: Determination
21、of tin in secondary zinc Flame atomic absorption spectrometric method; prEN 12441-9, Zinc and zinc alloys Chemical analysis Part 9: Determination of nickel in zinc alloys Flame atomic absorption spectrometric method; prEN 12441-10, Zinc and zinc alloys Chemical analysis Part 10: Determination of chr
22、omium and titanium in zinc alloys Spectrophotometric method; prEN 12441-11, Zinc and zinc alloys Chemical analysis Part 11: Determination of silicon in zinc alloys Spectrophotometric method; According to the CEN/CENELEC Internal Regulations, the national standards organisations of the following coun
23、tries are bound to implement this European Standard: Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Luxembourg, Malta, Netherlands, Norway, Portugal, Slovakia, Spain, Sweden, Switzerland and the United Kingdom. Licensed Copy: sheffieldu
24、n sheffieldun, na, Sat Oct 28 07:06:11 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 12441-4:2003 (E) 4 1 Scope This European Standard specifies a spectrophotometric method for the determination of iron in zinc alloys. It is applicable to the products specified in EN 1774 and EN 12844. It is suitabl
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