Issue 10, 2002
From the journal:

Journal of Analytical Atomic Spectrometry

Precise determination of the isotopic composition of Sn using MC-ICP-MS

Robin Clayton,a   Per Andersson,b   Noel H. Gale,c   Carole Gillisd  and  Martin J. Whitehouseb  

a Birkbeck/UCL School of Geological Sciences, University of London, Malet Street, London, UK
E-mail: r.clayton@ucl.ac.uk

b Laboratory for Isotope Geology, Swedish Museum of Natural History, Box 50007, 104 05 Stockholm, Sweden

c Isotrace Laboratory, University of Oxford, Keble Road, Oxford, UK

d Department of Classical Archaeology and Ancient History, University of Lund, Solveg. 2, 223 62 Lund, Sweden

Abstract

High precision isotopic measurements of Sn in two commercially available high purity materials and a previously analysed cassiterite from Straits Settlement, Malaysia, are presented as a basis for a new measurement procedure using the Micromass IsoProbe MC-ICP-MS. The results show that under optimised instrumental conditions two laboratory calibration standard solutions (Johnson–Matthey Puratronic Grade 1 Sn metal foil and Specpure ICP/DCP Sn solution) are isotopically identical and an external reproducibility of 0.000017 2 s.d. at 150 ppb Sn concentration (122Sn/116Sn 0.318597, n = 14) can be achieved. An isotopic fractionation of +0.13‰/u (1.3 epsilon units) relative to these in-house standards has been verified for the cassiterite, which indicates a natural isotopic fractionation of approximately 2.8 times greater than the long-term reproducibility of the current optimised measurement procedure.

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Article information

DOI
https://doi.org/10.1039/B205835A
Article type
Paper
Submitted
20 Jun 2002
Accepted
13 Aug 2002
First published
09 Sep 2002

J. Anal. At. Spectrom., 2002,17, 1248-1256

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Precise determination of the isotopic composition of Sn using MC-ICP-MS

R. Clayton, P. Andersson, N. H. Gale, C. Gillis and M. J. Whitehouse, J. Anal. At. Spectrom., 2002, 17, 1248 DOI: 10.1039/B205835A

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