3769.     ZOLOTOV, N. N., AND SHAPIRO, M. I.  [Activity and Structure of Copper-Zinc Catalysts for the Decomposition of Methanol.]  Jour. Gen. Chem. (U.S.S.R.), vol. 4, 1934, pp. 679-682; Chem. Abs., vol. 29, 1935, p. 2062.

        ZnO-CuO catalyst used for the decomposition of MeOH undergoes reduction at not less than 220°, the CuO being reduced completely and the ZnO partly.  In consequence, a-brass is formed, the Zn content of which increases with duration of contact.