Application of principal component analysis to the extraction of pure mass spectra in chemical analysis by gas chromatography/mass spectrometryстатья
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Дата последнего поиска статьи во внешних источниках: 27 мая 2015 г.
Аннотация:In this work, we investigated the possibility of the purification of mass spectra of coeluted substances containing at least one characteristic value of m/z using principal component analysis. Simulated and real gas chromatographic/mass spectrometric data were analyzed. For the simulated data, the resolution of the chromatographic peaks varied from 0.075 to 0.75, and the ratio of component concentrations ranged from 0.01 to 100. Noise-free simulated data and simulated data with randomly distributed noise were considered. It was shown that the method gave satisfactory results even when the chromatographic resolution (R (s) ) was less than 0.05.