IN petroleum refinery practice de-sulphurization is carried out by catalysts consisting of an η - or γ-type alumina impregnated with cobalt and molybdenum ... and crystal structure of cobalt ...

It has a melting temperature of 2610 C. The electronic configuration of Molybdenum is: (Kr)(4d) 5 (5s) 1, and it has an atomic radius of 0.139 nm. At room temperature the metal has the body centered ...