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An Intercomparison Study of Analytical Methods for the Determination of Magnesium in Low Alloy Steel
BAM Bundesanstalt für Materialforschung und -prüfung, Berlin, Germany.
BAM Bundesanstalt für Materialforschung und -prüfung, Berlin, Germany.
Ovako Hofors AB, Hofors, Sweden.
Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Kemiska sektionen, Institutionen för kemi - BMC, Analytisk kemi.
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2012 (engelsk)Inngår i: Steel Research International, ISSN 1611-3683, E-ISSN 1869-344X, Vol. 83, nr 2, s. 146-149Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

In an intercomparison study three low alloy steel materials were analyzed on their content of the trace element Mg, and five different analytical techniques were used, namely spark-OES, inductively coupled plasma optical emission spectrometry (ICP-OES), inductively coupled plasma time of flight mass spectrometry (ICP-TOFMS), inductively coupled plasma quadrupole mass spectrometry (ICP-QMS), and glow discharge mass spectrometry (GD-MS). Solid steel discs were used for analysis with spark-OES and GD-MS. For the analyses with ICP-OES, ICP-TOFMS, and ICP-QMS steel chips were wet-digested in aqua regia, and the wet-digestion was performed either in polypropylene tubes placed in a heating block or in Teflon pressure vessels using a microwave assisted system. The Mg concentrations obtained for the three steel materials were: 2.0, 2.8, and 10.3 mu gg-1, respectively, and the spread in results was acceptable, giving RSD values in the range of 20-30%.

sted, utgiver, år, opplag, sider
2012. Vol. 83, nr 2, s. 146-149
Emneord [en]
Mg, steel, spark-OES, ICP-OES, ICP-MS, GD-MS
HSV kategori
Identifikatorer
URN: urn:nbn:se:uu:diva-169948DOI: 10.1002/srin.201100187ISI: 000299818400004OAI: oai:DiVA.org:uu-169948DiVA, id: diva2:508440
Tilgjengelig fra: 2012-03-08 Laget: 2012-03-07 Sist oppdatert: 2017-12-07bibliografisk kontrollert

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