EN 12441-2:2001
(Main)Zinc and zinc alloys - Chemical analysis - Part 2: Determination of magnesium in zinc alloys - Flame atomic absorption spectrometric method
Zinc and zinc alloys - Chemical analysis - Part 2: Determination of magnesium in zinc alloys - Flame atomic absorption spectrometric method
This European Standard specifies a flame atomic absorption spectrometric method for the determination of magnesium in zinc alloys. It is applicable to the products specified in EN 1774 and EN 12844.
It is suitable for the determination of magnesium contents (mass fractions) between 0,002 % and 0,08 %.
Zink und Zinklegierungen - Chemische Analyse - Teil 2: Bestimmung von Magnesium in Zinklegierungen - FAAS-Verfahren
Diese Europäische Norm legt ein flammenatomabsorptionsspektrometrisches Verfahren (FAAS-Verfahren) für die Bestimmung von Magnesium in Zinklegierungen fest. Das Verfahren ist auf die in EN 1774 und EN 12844 festgelegten Produkte anwendbar.
Es ist geeignet für die Bestimmung von Magnesiumgehalten (Massenanteile) zwischen 0,002 % und 0,08 %.
Zinc et alliages de zinc - Analyse chimique - Partie 2: Dosage du magnésium dans les alliages de zinc - Méthode par spectrométrie d'absorption atomique dans la flamme
La présente Norme européenne spécifie une méthode par spectrométrie d'absorption atomique dans la flamme pour le dosage du magnésium dans les alliages de zinc. La méthode s'applique aux produits spécifiés dans l'EN 1774 et l'EN 12844.
Elle convient pour la détermination des teneurs (fractions massiques) du magnésium comprises entre 0,002 % et 0,08 %.
Cink in cinkove zlitine – Kemična analiza – 2. del: Določevanje magnezija v cinkovih zlitinah – Metoda plamenske atomske absorpcijske spektrometrije
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2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.PHWULMHZink und Zinklegierungen - Chemische Analyse - Teil 2: Bestimmung von Magnesium in Zinklegierungen - FAAS-VerfahrenZinc et alliages de zinc - Analyse chimique - Partie 2: Dosage du magnésium dans les alliages de zinc - Méthode par spectrométrie d'absorption atomique dans la flammeZinc and zinc alloys - Chemical analysis - Part 2: Determination of magnesium in zinc alloys - Flame atomic absorption spectrometric 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 12441-2:2001SIST EN 12441-2:2004en01-januar-2004SIST EN 12441-2:2004SLOVENSKI
STANDARD
EUROPEAN STANDARDNORME EUROPÉENNEEUROPÄISCHE NORMEN 12441-2October 2001ICS 77.040.30; 77.120.60English versionZinc and zinc alloys - Chemical analysis - Part 2: Determinationof magnesium in zinc alloys - Flame atomic absorptionspectrometric methodZinc et alliages de zinc - Analyse chimique - Partie 2:Dosage du magnésium dans les alliages de zinc - Méthodepar spectrométrie d'absorption atomique dans la flammeZink und Zinklegierungen - Chemische Analyse - Teil 2:Bestimmung von Magnesium in Zinklegierungen - FAAS-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 12441-2:2001 ESIST EN 12441-2:2004
Additional information on international round - Robin tests.9Annex B (informative)
Graphical representation of precision data.10SIST EN 12441-2:2004
= 1,19 g/ml5.3 Nitric acid,
= 1,4 g/ml5.4 Hydrochloric acid - nitric acid mixtureMix 180 volumes of hydrochloric acid (5.2) with 4 volumes of nitric acid (5.3). This mixture shall be freshly preparedjust before use.5.5 Lanthanum, 5 % solutionIntroduce 29,5 g of lanthanum oxide (La2O3) in a 400 ml beaker. Add 5 ml of water, then carefully add 50 ml ofhydrochloric acid (5.2). After dissolution, cool to room temperature. Transfer quantitatively to a 500 ml volumetricflask. Dilute to the mark with water and mix.5.6 Zinc, 10 g/l solutionDissolve 10 g of zinc (99,99 %), free from magnesium, (see 5.11), with 60
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