✦ LIBER ✦

The mass spectrometer as a chlorine-selective chromatographic detector : I. Description and evaluation of the technique

✍ Scribed by J.L. LaBrosse; R.J. Anderegg

Book ID: 104146659
Publisher: Elsevier Science
Year: 1984
Tongue: English
Weight: 717 KB
Volume: 314
Category: Article
ISSN: 1873-3778
DOI: 10.1016/s0021-9673(01)97724-6

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✦ Synopsis

A computer program to selectively locate the mass spectra of chlorinated compounds in a gas chromatography-mass spectrometry data set is described. The method is based on a search for chlorine isotope patterns and functions as a chlorine-selective "detector". Its performance has been evaluated using the EPA/NIH Mass Spectral Data Base of 31,333 mass spectra. Ninety-five percent of the chlorinated compounds in the library were "found"; and mass spectra of chlorinated compounds were assigned scores which averaged 18 times higher than those of nonchlorinated species. Positive and negative interferences are discussed.

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