Simultaneous determination of delta(33) SV-CDT and delta S-34(V-CDT) using masses 48, 49 and 50 on a continuous flow isotope ratio mass spectrometer

Baublys, Kim A., Golding, Suzanne D., Young, Elisa and Kamber, Balz S. (2004) Simultaneous determination of delta(33) SV-CDT and delta S-34(V-CDT) using masses 48, 49 and 50 on a continuous flow isotope ratio mass spectrometer. Rapid Communications In Mass Spectrometry, 18 22: 2765-2769. doi:10.1002/rcm.1681


Author Baublys, Kim A.
Golding, Suzanne D.
Young, Elisa
Kamber, Balz S.
Title Simultaneous determination of delta(33) SV-CDT and delta S-34(V-CDT) using masses 48, 49 and 50 on a continuous flow isotope ratio mass spectrometer
Journal name Rapid Communications In Mass Spectrometry   Check publisher's open access policy
ISSN 0951-4198
Publication date 2004
Sub-type Article (original research)
DOI 10.1002/rcm.1681
Volume 18
Issue 22
Start page 2765
End page 2769
Total pages 5
Editor Boyd, R. K.
Place of publication Canada
Publisher Wiley InterScience
Collection year 2004
Language eng
Subject C1
260301 Geochronology and Isotope Geochemistry
780104 Earth sciences
Abstract A new, fast, continuous flow technique is described for the simultaneous determination of 633 S and delta(34)S using SO masses 48, 49 and 50. Analysis time is similar to5min/sample with measurement precision and accuracy better than +/-0.3parts per thousand. This technique, which has been set up using IAEA Ag2S standards S-1, S-2 and S-3, allows for the fast determination of mass-dependent or mass-independent fractionation (MIF) effects in sulfide, organic sulfur samples and possibly sulfate. Small sample sizes can be analysed directly, without chemical pre-treatment. Robustness of the technique for natural versus artificial standards was demonstrated by analysis of a Canon Diablo troilite, which gave a delta(33)S of 0.04parts per thousand and a delta(34)S of -0.06parts per thousand compared to the values obtained for S-1 of 0.07parts per thousand and -0.20parts per thousand, respectively. Two pyrite samples from a banded-iron formation from the 3710 Ma Isua Greenstone Belt were analysed using this technique and yielded MIF (Delta(33)S of 2.45 and 3.31parts per thousand) comparable to pyrite previously analysed by secondary ion probe. Copyright (C) 2004 John Wiley Sons, Ltd.
Keyword Sulphur isotopes in terrestrial materials
Spectroscopy
Sulfur Isotopes
Atmosphere
Oxygen
Q-Index Code C1

 
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Created: Wed, 15 Aug 2007, 04:52:40 EST