BS-EN-12441-1-2002.pdf
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1、BRITISH STANDARD BS EN 12441-1:2002 Incorporating Amendment No. 1 Zinc and zinc alloys Chemical analysis Part 1: Determination of aluminium in zinc alloys Titrimetric method The European Standard EN 12441-1:2001, with the incorporation of amendment A1:2004, has the status of a British Standard ICS 7
2、7.120.60; 77.040.30 ? Licensed Copy: sheffieldun sheffieldun, na, Sat Oct 28 07:11:37 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS EN 12441-1:2002 This British Standard, having been prepared under the direction of the Engineering Sector Policy and Strategy Committee, was published under the authori
3、ty of the Standards Policy and Strategy Committee on 23 January 2002 BSI 26 August 2004 ISBN 0 580 38161 7 National foreword This British Standard is the official English language version of EN 12441-1:2001, including amendment A1:2004. It supersedes BS 3630-6:1965 which is withdrawn. The UK partici
4、pation in its preparation was entrusted by Technical Committee NFE/8, Zinc and zinc alloys, to Subcommittee NFE/8/4, Sampling and analysis of zinc and zinc alloys, which has the responsibility to: A list of organizations represented on this subcommittee can be obtained on request to its secretary. C
5、ross-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 Electronic Catalogue or
6、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 understand the text;
7、 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 comprises a front cover
8、, an inside front cover, the EN title page, pages 2 to 10, an inside back cover and a back cover. The BSI copyright notice displayed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. DateComments 1535426 August 2004Changes to Table 1 Licensed
9、Copy: sheffieldun sheffieldun, na, Sat Oct 28 07:11:37 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 12441-1 October 2001 + A1 August 2004 ICS 77.040.30; 77.120.60 English version Zinc and zinc alloys - Chemical analysis - Part 1: Determination of al
10、uminium in zinc alloys - Titrimetric method (includes amendment A1:2004) Zinc et alliages de zinc - Analyse chimique - Partie 1: Dosage de laluminium dans les alliages de zinc - Mthode titrimtrique (inclut lamendement A1:2004) Zink und Zinklegierungen - Chemische Analyse - Teil 1: Bestimmung von Alu
11、minium in Zinklegierungen - Titrimetrisches Verfahren (enthlt nderung A1:2004) This European Standard was approved by CEN on 11 August 2001, and amendment A1 was approved by CEN on 21 June 2004. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions
12、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 CEN member. This European Standard exists in three official
13、 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 members are the national standards bodies of Austria, Belgiu
14、m, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMI
15、T EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: rue de Stassart, 36 B-1050 Brussels 2001 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 12441-1:2001 + A1:2004 E Licensed Copy: sheffieldun sheffieldun,
16、na, Sat Oct 28 07:11:37 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 12441-1:2001 (E) 2 Contents page Foreword3 1 Scope 5 2 Normative references5 3 Terms and definitions .5 4 Principle5 5 Reagents.5 6 Apparatus .6 7 Sampling.6 8 Procedure .6 9 Calculation and expression of results.7 10 Test report8
17、 Annex A (informative) Additional information on round - Robin tests9 Annex B (informative) Graphical representation of precision data .10 Licensed Copy: sheffieldun sheffieldun, na, Sat Oct 28 07:11:37 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 12441-1:2001 (E) 3 Foreword This European Standard
18、has been prepared by Technical Committee CEN/TC 209, “Zinc and zinc alloys“, the secretariat of which is held 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 April 2002, and conflicting
19、national standards shall be withdrawn at the latest by April 2002. Within its programme of work, Technical Committee CEN/TC 209 entrusted CEN/TC 209/WG 6 “Methods of analysis and testing” with the preparation of the following document: EN 12441-1, Zinc and zinc alloys - Chemical analysis - Part 1: D
20、etermination of aluminium in zinc alloys Titrimetric method. This standard is part of a series of eleven standards. The other standards are: Part 2 : Determination of magnesium in zinc alloys Flame atomic absorption spectrometric method Part 3 : Determination of lead, cadmium and copper - Flame atom
21、ic absorption spectrometric method Part 4 : Determination of iron in zinc alloys - Spectrophotometric method Part 5 : Determination of iron in primary zinc - Spectrophotometric method Part 6 : Determination of aluminium and iron - Flame atomic absorption spectrometric method Part 7 : Determination o
22、f tin - Flame atomic absorption spectrometric method after extraction Part 8 : Determination of tin in secondary zinc - Flame atomic absorption spectrometric method Part 9 : Determination of nickel in zinc alloys - Flame atomic absorption spectrometric method Part 10 : Determination of chromium and
23、titanium in zinc alloys Spectrophotometric method Part 11 : Determination of silicon in zinc alloys - Spectrophotometric method The annexes A and B are informative. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to impleme
24、nt this European Standard: Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and the United Kingdom. Licensed Copy: sheffieldun sheffieldun, na, Sat Oct 28 07:11:37 GMT+00:00 200
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