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A comparative study of five reference materials and the Lombard meteorite for the determination of the platinum-group elements and gold by LA-ICP-MS

Citation

Gilbert, S and Danyushevsky, L and Robinson, P and Wohlgemuth-Ueberwasser, C and Pearson, N and Savard, D and Norman, M and Hanley, J, A comparative study of five reference materials and the Lombard meteorite for the determination of the platinum-group elements and gold by LA-ICP-MS, Geostandards and Geoanalytical Research, 37, (1) pp. 51-64. ISSN 1639-4488 (2013) [Refereed Article]

Copyright Statement

Copyright 2012 The Authors. Geostandards and Geoanalytical Research Copyright 2012 International Association of Geoanalysts

DOI: doi:10.1111/j.1751-908X.2012.00170.x

Abstract

A range of independently characterised reference materials (RMs) for LA-ICP-MS, used for the determination of the platinum-group elements (PGE) and Au in a sulfide matrix, were analysed and compared: 8b, PGE-A, NiS-3, Po727-T1, Po724-T and the Lombard meteorite. The newly developed RM NiS-3 was used as the RM for the calibration of all LA-ICP-MS analyses and the measured concentrations of the other RMs compared against their published concentrations. This data were also used to assess the consistency of concentrations calibrated against the different RMs. It was found that Po727-T1 and 8b produced results that were comparable, within uncertainty, for all elements. Po727-T1 also produced consistent results with NiS-3 for all elements. All other RMs showed differences for some elements, especially Ru in Po724-T, and Os, Ir and Au in PGE-A. The homogeneity of the PGE and Au in each RM was assessed, by comparing the precision of multiple LA-ICP-MS spot analyses with the average uncertainty of the signal. Po724-T, Po727-T1 and the Lombard meteorite were found to be homogeneous for all elements, but 8b, PGE-A and NiS-3 were heterogeneous for some elements. This is the first direct comparison between a range of independently characterised PGE and Au LA-ICP-MS RMs. © 2012 The Authors. Geostandards and Geoanalytical Research © 2012 International Association of Geoanalysts.

Item Details

Item Type:Refereed Article
Keywords:laser ablation, ICP-MS, platinum-group elements, gold, comparative study
Research Division:Earth Sciences
Research Group:Geochemistry
Research Field:Geochemistry not elsewhere classified
Objective Division:Expanding Knowledge
Objective Group:Expanding Knowledge
Objective Field:Expanding Knowledge in the Earth Sciences
Author:Gilbert, S (Ms Sarah Gilbert)
Author:Danyushevsky, L (Professor Leonid Danyushevsky)
Author:Robinson, P (Mr Philip Robinson)
ID Code:87890
Year Published:2013
Web of Science® Times Cited:30
Deposited By:Centre for Ore Deposit Research - CODES CoE
Deposited On:2013-12-14
Last Modified:2014-04-15
Downloads:0

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