Abstract
Insitu isothermal reduction of NiCl 2 by dextrose in silica–alumina gel matrix has been carried out between 800 and 950 °C under nitrogen atmosphere. The predominant mechanism of reaction is found to be nucleation and growth. X-ray diffraction (XRD) analyses of reacted samples confirm the presence of metallic Ni, nickel aluminate and finely dispersed alumina in the reacted samples. The average particle size of nickel has been determined by transmission electron micrograph (14 nm) as well as XRD (17±2 nm).
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