Catalyst system for the detection and elimination of hydrogen ga

Chemistry: physical processes – Physical processes – Crystallization

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23288R, 23288K, 73 29, 252430, 252477R, 423219, 423248, 423580, 429 57, C01N 3110, C01N 3122, B01J 800, H01M 806

Patent

active

040788938

ABSTRACT:
A catalyst system for the elimination of hydrogen gas which comprises a ptetrafluoroethylene-bonded catalyst layer of carbon mixed with platinum black, a porous polytetrafluoroethylene film on the side thereof which faces the gas flow, and a metal backplate, all integrally bonded together. The assembly is particularly useful for the elimination of hydrogen gas in sealed equipment housings, for example, those containing batteries. A similar system may also be used as a detector of hydrogen by utilizing a detector paper therewith which indicates the presence of water.

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