Peculiarities of interaction of small metal partcles with reagents

摘要

Using as an example a chemical reactionsoccurring under relatively soft conditions, it isshown, that temperature inside of the ultrafineparticles during its oxidation is essential higherthan that in reacting layer. The temperaturedifference may come up to hundreds degree. This leadsto change of the reaction kinetics and stabilizationof the reaction finished products, which are not atypical ones for the same processes with normalsize(not ultrafine) powders. Obtained results may beused for analysis of the powders reactivity.