E.s.r. study of pyrolysis vapour of coal
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Soon Sam Kim; Mark L. Jarand; Kandaswamy Durai-Swamy
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Article
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1982
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Elsevier Science
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English
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Wyodak and Heatburg subbituminous coals were pyrolysed in-situ in an e.s.r. microwave cavity at -510ยฐC in an evacuated sealed tube. At least two kinds of radicals are detected; first, phenalenyl-like radicals and then, polymerized radicals from the initial ones.