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This article is a U.S. Government work and is in the public domain in the U.S.A.
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Research Article
Applying the silver-tube introduction method for thermal conversion elemental analyses and a new δ2H value for NBS 22 oil†
Article first published online: 6 JUL 2010
DOI: 10.1002/rcm.4638
This article is a U.S. Government work and is in the public domain in the U.S.A. Published in 2010 by John Wiley & Sons, Ltd.
Additional Information
How to Cite
Coplen, T. B. and Qi, H. (2010), Applying the silver-tube introduction method for thermal conversion elemental analyses and a new δ2H value for NBS 22 oil. Rapid Commun. Mass Spectrom., 24: 2269–2276. doi: 10.1002/rcm.4638
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Publication History
- Issue published online: 13 JUL 2010
- Article first published online: 6 JUL 2010
- Manuscript Revised: 20 MAY 2010
- Manuscript Accepted: 20 MAY 2010
- Manuscript Received: 9 APR 2010
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Abstract
The δ2HVSMOW–SLAP value of total hydrogen of the international measurement standard NBS 22 oil was determined by a new method of sealing water in silver tubes for use in a thermal conversion elemental analysis (TC/EA) reduction unit. The isotopic fractionation of water due to evaporation is virtually non-existent in this silver-tube method. A new value for the δ2HVSMOW–SLAP of NBS 22 oil, calibrated with isotopic reference waters, was determined to be −116.9 ± 0.8‰ (1σ and n = 31). Published in 2010 by John Wiley & Sons, Ltd.