Measurement of Sulfur Isotope Compositions by Tunable Laser Spectroscopy of SO^sub 2

Sulfur isotope measurements offer comprehensive information on the origin and history of natural materials. Tunable laser spectroscopy is a powerful analytical technique for isotope analysis that has proven itself readily adaptable for in situ terrestrial and planetary measurements. Measurements of...

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Bibliographic Details
Published in:Analytical chemistry (Washington) 2007-12, Vol.79 (24), p.9261
Main Authors: Christensen, Lance E, Brunner, Benjamin, Truong, Kasey N, Mielke, Randall E, Webster, Christopher R, Coleman, Max
Format: Article
Language:English
Subjects:
Analytical chemistry
Isotopes
Measurement
Spectrum analysis
Sulfide compounds
Sulfur
Online Access:Get full text
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Summary:Sulfur isotope measurements offer comprehensive information on the origin and history of natural materials. Tunable laser spectroscopy is a powerful analytical technique for isotope analysis that has proven itself readily adaptable for in situ terrestrial and planetary measurements. Measurements of ... in ... were made using tunable laser spectroscopy of combusted gas samples from six sulfur-bearing solids with ... ranging from -34 to +22" (also measured with mass spectrometry). Standard deviation between laser and mass spectrometer measurements was 3.7" for sample sizes of 200 ± 75 nmol ... Although ...(g) decreased 9% over 15 min upon entrainment in the analysis cell from wall uptake, observed fractionation was insignificant (+0.2 ± 0.6''). We also describe a strong, distinct ... rovibrational transition in the same spectral region, which may enable simultaneous ... and ... measurements. (ProQuest: ... denotes formulae/symbols omitted.)
ISSN:0003-2700
1520-6882