Abstract

An electrolysis apparatus has been constructed for the safe and trouble-free generation of deuterium gas from heavy water for experimental purposes. It has been found particularly suitable for introducing the gas at a rate of millitres per minute (S.T.P.) into a vacuum system without the use of an extra pumping unit, because the electrolysis is done under atmospheric pressure and not in a vacuum. The apparatus is equipped with electrical control-relays and needs little attention. It operates within a specified pressure range of the liberated deuterium gas, and is automatically shut off if the pressure exceeds a certain value. There is an almost complete absence of danger of explosion arising from the electrical devices should the generated deuterium gas be accidentally mixed with air.

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