The exchanges of energy between a platinum surface and hydrogen and deuterium molecules

Abstract
The results obtained by Strachan suggested that it might be of interest to determine the accommodation coefficients of hydrogen and deuterium relative to the same platinum surface after that surface had been cleaned by prolonged heating at a high temperature. By determining the rates of increase of the accommodation coefficients with time, after flashing and lowering to normal temperatures, both for hydrogen and deuterium, it was hoped that some indication as to the relative times of life of hydrogen and deuterium molecules on a platinum surface would also be forthcoming. It is very doubtful, however, if the process of contamination is due only to adsorption of hydrogen and deuterium molecules on the surface; evidence has, indeed, been obtained which indicates that the quantity of gas taken up by the platinum is far too great to be attributed only to surface effects.

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