SIST EN 12441-1:2004

Zinc and zinc alloys - Chemical analysis - Part 1: Determination of aluminium in zinc alloys - Titrimetric method

This European Standard specifies a titrimetric method for the determination of aluminium in zinc alloys. It is applicable to the products specified in EN 1774 and EN 12844.
It is suitable for the determination of aluminium contents (mass fractions) between 3 % and 30 %.

Zink und Zinklegierungen - Chemische Analyse - Teil 1: Bestimmung von Aluminium in Zinklegierungen - Titrimetrisches Verfahren

Diese Europäische Norm legt ein titrimetrisches Verfahren für die Bestimmung von Aluminium in Zinklegierungen fest. Das Verfahren ist auf die in EN 1774 und EN 12844 festgelegten Produkte anwendbar.
Es ist geeignet für die Bestimmung von Aluminiumgehalten (Massenanteile) zwischen 3 % und 30 %.

Zinc et alliages de zinc - Analyse chimique - Partie 1: Dosage de l'aluminium dans les alliages de zinc - Méthode titrimétrique

La présente Norme européenne spécifie une méthode titrimétrique utilisée pour déterminer la teneur en aluminium dans les alliages de zinc. Elle s'applique aux produits spécifiés dans l'EN 1774 et dans l'EN 12844.
Elle convient pour la détermination des teneurs (fractions massiques) de l'aluminium comprises entre 3 % et 30 %.

Cink in cinkove zlitine – Kemična analiza – 1. del: Določevanje aluminija v cinkovih zlitinah – Titrimetrijska metoda

General Information

• Status: Published
• Publication Date: 31-Dec-2003
• ICS: 77.040.30 - Chemical analysis of metals
• ICS: 77.120.60 - Lead, zinc, tin and their alloys
• Technical Committee: INEK - Nonferrous metals
• Current Stage: 6060 - National Implementation/Publication (Adopted Project)
• Start Date: 01-Jan-2004
• Due Date: 01-Jan-2004
• Completion Date: 01-Jan-2004
• Ref Project: EN 12441-1:2001 - Zinc and zinc alloys - Chemical analysis - Part 1: Determination of aluminium in zinc alloys - Titrimetric method

Relations

• Child: SIST EN 12441-2:2004 - Zinc and zinc alloys - Chemical analysis - Part 2: Determination of magnesium in zinc alloys - Flame atomic absorption spectrometric method
• Effective Date: 22-Dec-2008
• Child: SIST EN 12441-3:2004 - Zinc and zinc alloys - Chemical analysis - Part 3: Determination of lead, cadmium and copper - Flame atomic absorption spectrometric method
• Effective Date: 22-Dec-2008
• Amended By: SIST EN 12441-1:2004/A1:2004 - Zinc and zinc alloys - Chemical analysis - Part 1: Determination of aluminium in zinc alloys - Titrimetric method
• Effective Date: 22-Dec-2008

Standards Content (Sample)

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Zink und Zinklegierungen - Chemische Analyse - Teil 1: Bestimmung von Aluminium in Zinklegierungen - Titrimetrisches VerfahrenZinc et alliages de zinc - Analyse chimique - Partie 1: Dosage de l'aluminium dans les alliages de zinc - Méthode titrimétriqueZinc and zinc alloys - Chemical analysis - Part 1: Determination of aluminium in zinc alloys - Titrimetric method77.120.60Svinec, cink, kositer in njihove zlitineLead, zinc, tin and their alloys77.040.30Kemijska analiza kovinChemical analysis of metalsICS:Ta slovenski standard je istoveten z:EN 12441-1:2001SIST EN 12441-1:2004en01-januar-2004SIST EN 12441-1:2004SLOVENSKI
STANDARD



SIST EN 12441-1:2004



EUROPEAN STANDARDNORME EUROPÉENNEEUROPÄISCHE NORMEN 12441-1October 2001ICS 77.040.30; 77.120.60English versionZinc and zinc alloys - Chemical analysis - Part 1: Determinationof aluminium in zinc alloys - Titrimetric methodZinc et alliages de zinc - Analyse chimique - Partie 1:Dosage de l'aluminium dans les alliages de zinc - MéthodetitrimétriqueZink und Zinklegierungen - Chemische Analyse - Teil 1:Bestimmung von Aluminium in Zinklegierungen -Titrimetrisches VerfahrenThis European Standard was approved by CEN on 11 August 2001.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this EuropeanStandard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such nationalstandards may be obtained on application 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 translationunder the responsibility of a CEN member into its own language and notified to the Management Centre has the same status as the officialversions.CEN members are the national standards bodies of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece,Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMITÉ EUROPÉEN DE NORMALISATIONEUROPÄISCHES KOMITEE FÜR NORMUNGManagement Centre: rue de Stassart, 36
B-1050 Brussels© 2001 CENAll rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 12441-1:2001 ESIST EN 12441-1:2004



EN 12441-1:2001 (E)2ContentspageForeword.31Scope.42Normative references.43Terms and definitions.44Principle.45Reagents.46Apparatus.57Sampling.58Procedure.59Calculation and expression of results.610Test report.7Annex A (informative)
Additional information on round - Robin tests.8Annex B (informative)
Graphical representation of precision data.9SIST EN 12441-1:2004



EN 12441-1:2001 (E)3ForewordThis European Standard has been prepared by Technical Committee CEN/TC 209, "Zinc and zinc alloys", thesecretariat 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 orby endorsement, at the latest by April 2002, and conflicting national standards shall be withdrawn at the latest byApril 2002.Within its programme of work, Technical Committee CEN/TC 209 entrusted CEN/TC 209/WG 6 “Methods ofanalysis and testing” with the preparation of the following document:EN 12441-1, Zinc and zinc alloys - Chemical analysis - Part 1: Determination 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 atomic 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 of 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 titanium in zinc alloys – Spectrophotometric method Part 11 : Determination of silicon in zinc alloys - Spectrophotometric methodThe annexes A and B are informative.According to the CEN/CENELEC Internal Regulations, the national standards organizations of the followingcountries are bound to implement 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.SIST EN 12441-1:2004



EN 12441-1:2001 (E)41 ScopeThis European Standard specifies a titrimetric method for the determination of aluminium in zinc alloys. It isapplicable to the products specified in EN 1774 and EN 12844.It is suitable for the determination of aluminium contents (mass fractions) between 3 % and 30 %.2 Normative referencesThis European Standard incorporates by dated or undated reference, provisions from other publications. Thesenormative references are cited at the appropriate places in the text, and the publications are listed hereafter. Fordated references, subsequent amendments to or revisions of any of these publications apply to this EuropeanStandard only when incorporated in it by amendment or revision. For undated references, the latest edition of thepublication referred to applies (including amendments).EN 1774, Zinc and zinc alloys - Alloys for foundry purposes - Ingot and liquid.EN 12060, Zinc and zinc alloys - Method of sampling - Specifications.EN 12844, Zinc and zinc alloys - Castings - Specifications.ISO 5725-1, Accuracy (trueness and precision) of measurement methods and results - Part 1: General principlesand definitions.3 Terms and definitionsFor the purposes of this European Standard, the terms and definitions given in EN 12060 apply.4 PrincipleAn excess of EDTA is added to the hydrochloric solution of a test portion. This is followed by quantitativecomplexing of the excess with a standard zinc solution. The aluminium-EDTA complex is decomposed with sodiumfluoride and the liberated EDTA is titrated against
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