Microplasma jet mass spectrometry of halogenated organic compounds
- 15 July 2004
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of Analytical Atomic Spectrometry
- Vol. 19 (8) , 990-994
- https://doi.org/10.1039/b401319k
Abstract
The microhollow cathode discharge is investigated as a promising miniaturized ionization source for mass spectrometry. The plasma operated at atmospheric pressure generates power densities of about 1 MW cm−3 at a small input power of 1 W. It has the advantage of focused sample introduction in the plasma core, exhibits good analytical reproducibility and a long lifetime. The microhollow cathode discharge-mass spectrometry delivers detection limits in the pg s−1 range (corresponding to a few ppbv/v) for halogenated molecules in gaseous or volatile samples.Keywords
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