1. Simultaneous on-line analysis of 18O/16O and 13C/12C ratios of organic compounds using GC-pyrolysis-IRMS
- Author
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Hener, U., Brand, W. A., Hilkert, A. W., Juchelka, D., Mosandl, A., and Podebrad, F.
- Subjects
Gas chromatography -- Technology application ,Pyrolysis -- Usage ,Organic compounds -- Identification and classification ,Vanillin -- Properties ,Technology application ,Business, international - Abstract
Byline: U. Hener (1), W. A. Brand (2), A. W. Hilkert (2), D. Juchelka (1), A. Mosandl (1), F. Podebrad (1) Keywords: Key wordsaGC-pyrolysis-IRMS; GC-combustion-IRMS; [delta]18O values; [delta]13C values; Vanillin; 13C analysis; 18O analysis; Multi-element analysis Abstract: aThe on-line coupling of gas chromatography and isotope ratio mass spectrometry via a pyrolysis interface (GC-pyrolysis-IRMS, GC-P-IRMS) allows the simultaneous determination of [delt[a].sup.13]C and [delt[a].sup.18]O values for organic compounds. On the basis of illustrative investigations of vanillin from different origins, the scope and limitations of the new method are discussed. Author Affiliation: (1) Johann Wolfgang Goethe-Universitat Frankfurt, Institut fur Lebensmittelchemie, Marie-Curie-Strasse 9, D-60439 Frankfurt, Germany, DE (2) Finnigan MAT, Barkhausenstrasse 2, D-28197 Bremen, Germany, DE Article note: Received: 18 October 1997 / Revised version: 18 December 1997
- Published
- 1998