DIN EN 12441-1-2004 Zinc and zinc alloys - Chemical analysis - Part 1 Determination of aluminium in zinc alloys Titrimetric method German version EN 12441-1 2001 + A1 2004《锌及锌合金 化学.pdf

1、DEUTSCHE NORM October 2004DIN EN 12441-1 No part of this standard may be reproduced without the 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).English price group 8 www.din

2、.de www.beuth.de02.05 9606694Document comprises 9 pages.Zinc and zinc alloys Chemical analysisPart 1: Determination of aluminium in zinc alloys Titrimetric method(includes Amendment A1 : 2004)English version of DIN EN 12441-1 : 2001 + A1 : 2004Zink und Zinklegierungen Chemische Analyse Teil 1: Besti

3、mmung von Aluminium in Zinklegierungen Titrimetrisches Verfahren (enthlt nderung A1 : 2004)European Standard EN 12441-1 : 2001 + A1 : 2004 has the status of a DIN Standard.A comma is used as the decimal marker.National forewordThis standard has been prepared by CEN/TC 209 Zinc and zinc alloys (Secre

4、tariat: France).The responsible German body involved in its preparation was the Normenausschuss Nichteisenmetalle (Nonferrous Metals Standards Committee), Technical Committee Zink.AmendmentsThis standard differs from the February 2002 edition in that it has been editorially revised.Previous editions

5、DIN ISO 1169: 1983-06; DIN EN 12441-1: 2002-02.ICS 77.040.30; 77.120.60 Supersedes February 2002 edition.English versionICS 77.040.30; 77.120.60 Supersedes EN 12441-1 : 2001Management Centre: rue de Stassart 36, B-1050 BrusselsEuropean Committee for StandardizationComit Europen de NormalisationEurop

6、isches Komitee fr Normung 2004. 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 EZinc et alliages de zinc Analyse chi-mique Partie 1: Dosage de lalumi-nium dans les alliages de zinc M-thode titrimtrique (a

7、mendement A1 : 2004 inclus)Zink und Zinklegierungen Chemi-sche Analyse Teil 1: Bestimmung von Aluminium in Zinklegierungen Titrimetrisches Verfahren (enthlt nderung A1 : 2004)This European Standard was approved by CEN on 2001-08-11 and Amendment A1 on 2004-06-21.CEN members are bound to comply with

8、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 stand-ards may be obtained on application to the Management Centre o

9、r to any CEN member.The European Standards exist in three ofcial 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 notied to the Management Centre has the same status as the ofcial versions.CEN m

10、embers are the national standards bodies of Austria, Belgium, Cyprus, the Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerl

11、and, and the United Kingdom.EN 12441-1 October 2001+ A1 August 2004Zinc and zinc alloys Chemical analysisPart 1: Determination of aluminium in zinc alloys Titrimetric method (includes Amendment A1 : 2004)Page 2 EN 12441-1 : 2001 + A1 : 2004ContentsPageForeword to EN 12441-1 : 2001 . . . . . . . . .

12、. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2Foreword to EN 12441-1 : 2001/A1:2004 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 Scope . . . . . . . . . . . . . . . . . . . . . .

13、. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 Normative references . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 Terms and denitions . . . . . . .

14、 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 Principle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .35 Reagents . . . .

15、 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36 Apparatus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

16、. 47 Sampling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48 Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

17、 . . . . . . . . . . . 49 Calculation and expression of results . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 510 Test report . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

18、. . . . . . . . . . . . . . 6Annex A (informative) Additional information on round-robin tests . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7Annex B (informative) Graphical representation of precision data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8Foreword

19、 to EN 12441-1 : 2001This European Standard 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, and

20、conicting national standards withdrawn, by April 2002 at the latest.Within its programme of work, Technical Committee CEN/TC 209 entrusted 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: Determination of a

21、luminium in zinc alloys Titri-metric 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 atomic absorption spect

22、rometric 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 of tin Flame atomic absorp

23、tion 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 titanium in zinc alloys Spectro

24、photometric method Part 11 : Determination of silicon in zinc alloys Spectrophotometric methodIn accordance with the CEN/CENELEC Internal Regulations, the national standards organizations of the follo-wing countries are bound to implement this European Standard:Austria, Belgium, the Czech Republic,

25、Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, the Netherlands, Norway, Portugal, Spain, Sweden, Switzerland, and the United Kingdom.Foreword to EN 12441-1 : 2001/A1 : 2004This amendment to EN 12441-1 : 2001 has been prepared by Technical Committee CEN/TC 209 Zinc an

26、d zinc alloys, the Secretariat of which is held by AFNOR.This amendment shall be given the status of a national standard, either by publication of an identical text or by endorsement, and conicting national standards withdrawn, by February 2005 at the latest.In accordance with the CEN/CENELEC Intern

27、al Regulations, the national standards organizations of the follo-wing countries are bound to implement this European Standard:Austria, Belgium, Cyprus, the Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the

28、 Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland, and the United Kingdom.Page 3 EN 12441-1 : 2001 + A1 : 2004Page 4 EN 12441-1 : 2001 + A1 : 2004Page 5 EN 12441-1 : 2001 + A1 : 2004Page 6 EN 12441-1 : 2001 + A1 : 2004Page 7 EN 12441-1 : 2001 + A1 : 2004Page 8 EN 12441-1 : 2001 + A1 : 2004