Abstract
Coals and coal-derived samples provide a unique mixture for development and comparison of mass spectrometric techniques for high molecular weight analyses. The Argonne Premium Coal samples (APCS) are convenient for assessing classical and novel mass spectrometric techniques. Vacuum pyrolysis mass spectrometry of APCS 4 (Pittsburgh No. 8) has been reported. Alkyl-substituted aromatic compounds and hydroxy- and dihydroxy-substituted aromatic compounds were observed. Newer techniques such as laser desorption (LD), as well as in-beam techniques, such as desorption chemical ionization (DCI) and desorption electron ionization (DEI) are better suited to the studies of mixture characterization as presented by fossil fuels.
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