Abstract
Nickel mordenites were prepared by ion exchange methods. From hydrogen adsorption data and X.p.s. investigations it is concluded that the reduction of nickel in mordenite is rather difficult and during reduction multiple species of nickel are formed. Incomplete reduction, and not just sintering and agglomeration of metal alone, is responsible for the low dispersion of nickel. The difficulty in reduction also suggests the formation of NiAl 2O 4 as indicated by the binding energies of Ni2P 3 2 in reduced nickel mordenite samples.
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