BS-EN-12441-5-2003.pdf
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1、BRITISH STANDARD BS EN 12441-5:2003 Zinc and zinc alloys Chemical analysis Part 5: Determination of iron in primary zinc Spectrophotometric method The European Standard EN 12441-5:2003 has the status of a British Standard ICS 77.040.30; 77.120.60 ? Licensed Copy: sheffieldun sheffieldun, na, Sat Oct
2、 28 07:06:14 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS EN 12441-5:2003 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 41492 2 National foreword This British Standard is the official English langua
3、ge version of EN 12441-5:2003. It supersedes BS 3630-5:1963 which is withdrawn. 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
4、to its secretary. Cross-references The British Standards 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 Elect
5、ronic Catalogue or of British Standards Online. This 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 u
6、nderstand the text; present to the responsible international/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 comp
7、rises a front cover, an inside front cover, the EN 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 2
8、8 07:06:14 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 12441-5 March 2003 ICS 77.040.30; 77.120.60 English version Zinc and zinc alloys - Chemical analysis - Part 5: Determination of iron in primary zinc - Spectrophotometric method Zinc et alliages
9、 de zinc - Analyse chimique - Partie 5: Dosage du fer dans le zinc primaire - Mthode spectrophotomtrique Zink und Zinklegierungen - Chemische Analyse - Teil 5: Bestimmung von Eisen in Primrzink - Spektrophotometrisches Verfahren This European Standard was approved by CEN on 21 November 2002. CEN mem
10、bers 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 national standards may be obtained on applicat
11、ion to the 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 notified to the Management Centre has the same
12、 status as the official versions. CEN members 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.
13、 EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT 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 12441-5:2003 E License
14、d Copy: sheffieldun sheffieldun, na, Sat Oct 28 07:06:14 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 12441-5:2003 (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 re
15、sults.7 10Test report 7 Licensed Copy: sheffieldun sheffieldun, na, Sat Oct 28 07:06:14 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 12441-5:2003 (E) 3 Foreword This document (EN 12441-5:2003) has been prepared by Technical Committee CEN /TC 209 “Zinc and zinc alloys“, the secretariat of which is h
16、eld by AFNOR. 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 September 2003, and conflicting national standards shall be withdrawn at the latest by September 2003. Within its programme of work, T
17、echnical Committee CEN/TC 209 entrusted CEN/TC 209/WG 6, “Methods of analysis and testing” with the preparation of the following document: EN 12441-5, Zinc and zinc alloys - Chemical analysis Part 5: Determination of iron in primary zinc Spectrophotometric method. This standard is part of series of
18、eleven standards. The other standards are: 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 spectrometr
19、ic method; EN 12441-3, Zinc and zinc alloys Chemical analysis Part 3: Determination of lead, cadmium and copper Flame atomic absorption spectrometric method; EN 12441-4, Zinc and zinc alloys Chemical analysis Part 4: Determination of iron in zinc alloys Spectrophotometric method EN 12441-6, Zinc and
20、 zinc alloys Chemical analysis Part 6: Determination 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
21、 Chemical analysis Part 8: Determination 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 Chemic
22、al analysis Part 10: Determination of chromium 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 stan
23、dards organizations of the following countries 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
24、United Kingdom. Licensed Copy: sheffieldun sheffieldun, na, Sat Oct 28 07:06:14 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 12441-5:2003 (E) 4 1 Scope This European Standard specifies a spectrophotometric method for the determination of iron in primary zinc. It is applicable to the products specif
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