Hydrogen isotope analysis of natural abundance and deuterium- enriched waters by reduction over chromium on-line to a dynamic dual inlet isotope-ratio mass spectrometer

Donnelly, T., Waldron, S. , Tait, A., Dougans, J. and Bearhop, S. (2001) Hydrogen isotope analysis of natural abundance and deuterium- enriched waters by reduction over chromium on-line to a dynamic dual inlet isotope-ratio mass spectrometer. Rapid Communications in Mass Spectrometry, 15(15), pp. 1297-1303. (doi:10.1002/rcm.361)

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Publisher's URL: http://dx.doi.org/10.1002/rcm.361

Abstract

This paper describes the application of a simple chromium reduction furnace which can be interfaced with a dual inlet isotope-ratio mass spectrometer thus providing the capacity for cheap, fast, accurate and precise measurement of deltaD(V-SMOW) by dynamic mass spectrometry. Measurements are precise to the order of less than or equal to0.5%. Mean 95% confidence intervals for the Vienna Standard Mean Ocean Water (V-SMOW) to Standard Light Antarctic Precipitation (SLAP) range are in the order of 2.5 parts per thousand and the system is linear over the range -428 to 23,000 parts per thousand. Memory effects do exist, but are small for natural abundance samples and can be minimised by careful planning of the analytical load.

Item Type:Articles
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Waldron, Professor Susan and Tait, Mr Andrew and Dougans, Mrs Julie
Authors: Donnelly, T., Waldron, S., Tait, A., Dougans, J., and Bearhop, S.
Subjects:Q Science > QD Chemistry
College/School:College of Science and Engineering > Scottish Universities Environmental Research Centre
Journal Name:Rapid Communications in Mass Spectrometry
ISSN:0951-4198

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