Abstract
The kinetics of thermal decomposition of nickel formate are significantly influenced by the disposition of crystallites of the reactant. Both the induction periods and the rates of subse- quent product evolution during the main reaction were different for samples of powder (i) tightly packed, (ii) loosely aggregated or (iii) dispersed on glass wool, when heated under otherwise identical conditions. Electron microscopic exami- ion of surfaces of partially decomposed material showed that the onset of reaction was markedly inhomogeneous. Within a single sample some crystallites had undergone extenive surface nucleation and reaction while others were unaltered. The effect of various additives was also investigated.
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