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Spark-Source Mass Spectra of Several Aromatic Hydrocarbons Using a Spinning Electrode

Volume 21, Number 2 (April 1967) Page 81-85

Kessler, T.; Sharkey, A.G.; Hickam, W.M.; Sweeney, G.G.


The purpose of this investigation was to evaluate the application of a spark-source mass spectrograph equipped with a spinning-electrode system for the study of various high molecular-weight materials derived from coal. Eight structural types having molecular weights from 178 to 252 corresponding to those substances previously seen in an electron-impact mass spectrum of the coal-tar pitch were affirmed by this technique. Easily interpreted mass spectra of phenanthrene, anthracene, and chrysene were obtained by the spinning-electrode system. Mass spectra obtained from synthetic mixtures of anthracene and chrysene demonstrated that the technique is applicable for semiquanitative analysis.