Abstract

ESR methods were used to examine details of ethyl and vinyl radical production in radiation chemical studies of the ethane -ethylene, ethane - deuteroethylene and deuteroethane-ethylene systems. ESR measurements provide a very direct means of investigating the relative ratio of decomposition of each of the two components. In general ethylene is found to decompose to a considerably greater extent than expected from the composition of the system. The production of vinyl radicals from ethylene can be described in terms of a simple competition by ethylene and ethane for the energy deposited in the system. Ethylene is approximates 10 times more effective than ethane in this competition. This study shows that 55% of the ethyl radicals observed in pure ethane are produced directiy and 45% by reactions of hydrogen atoms. (auth)

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