A COMBINED FLASH PHOTOLYSIS AND SHOCK WAVE METHOD FOR THE STUDY OF BROMINE ATOM RECOMBINATION OVER A WIDE TEMPERATURE RANGE

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Abstract
A combined flash photolysis shock wave experiment is described in which bromine is first flash photolyzed, then compressed and heated by a shock wave, and finally allowed to recombine at the high temperature. Some of the problems connected with working in a shock tube used as a photolysis vessel are analyzed. The apparatus was used to measure recombination rates with argon as a third body at room temperature, to estimate the efficiency of bromine as a third body at room temperature, and to obtain a preliminary measurement of the recombination rate of bromine in the presence of argon at 950 °K.