Figure 3. Phase diagrams of (a) Pd-Sn , (b) Pd-Ni

From

Pd-based Catalysts for Ethanol Oxidation in Alkaline Electrolyte

A. M. Sheikh, E. L. Silva, L. Moares, L. M. Antonini, Mohammed Y. Abellah, C. F. Malfatti

American Journal of Mining and Metallurgy. 2014, 2(4), 64-69 doi:10.12691/ajmm-2-4-1