Abstract
1H nuclear magnetic resonance spectroscopy and gas chromatography were used to study the changes in composition during hydrogenation of an anthracene oil. It is shown that the amount of hydroaromatic and naphthenic compounds determined by chromatography correlates well with the n.m.r. bands corresponding to protons in hydroaromatic and naphthenic rings. Most donor groups in the solvent correspond to substances identified and quantified by g.c.-m.s.
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