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

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Abstract:

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.

Document Type: Research Article

DOI: http://dx.doi.org/10.1366/000370267774385245

Affiliations: 1: U. S. Department of Interior, Bureau of Mines, Pittsburgh Coal Research Center, Pittsburgh, Pennsylvania 2: Westinghouse Research Laboratories, Pittsburgh, Pennsylvania

Publication date: March 1, 1967

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