3199.     SIOMI, K., AND IWAMOTE, T.  [Hydrogenation of Acetylene.]  Jour. Soc. Chem. Ind. (Japan), vol. 41, 1938, p. 401B.

        Best catalyst for obtaining liquid hydrocarbons and C₂H₄ from C₂H₂ and H₂ at ordinary pressure in a mixture of Ni, Co, and Cr.