Recycling molecular beam reactor

Abstract
A novel recycling molecular beam reactor (RMBR) is described which has proved useful in the study of reactive molecule–surface collisions. A beam of reactant gas molecules is formed from a supersonic free jet. After collision with a target surface the molecules pass through the vacuum pumps and are returned to the nozzle source. Continuous recycling permits the integration of very small reaction probabilities into measurable conversions which can be analyzed by gas chromatography. Some successful experiments have been carried out on the isomerization of cyclopropane to propylene.

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