In this paper,the method of UV-visible reflection spectrum（UV method） was theoretically and experimentally proposed to investigate the initial kinetic characters of the solid-solid reaction with the mixture of dimet...In this paper,the method of UV-visible reflection spectrum（UV method） was theoretically and experimentally proposed to investigate the initial kinetic characters of the solid-solid reaction with the mixture of dimethylglyoxime and Ni（Ac）2·4H2O,and the mixture of dimethylglyoxime and anhydrous Ni（Ac）2 as the modeling reaction examples.The results indicated that the UV method was very sensitive in the initial period of solid-solid reaction.The reactive rates for above two reaction systems were varied non-linearly with the change of reaction time.The fastest reaction rates can be reasonably explained by the formation of the cold-melting layer or cold-dissolvingmelting layer.展开更多
文摘In this paper,the method of UV-visible reflection spectrum（UV method） was theoretically and experimentally proposed to investigate the initial kinetic characters of the solid-solid reaction with the mixture of dimethylglyoxime and Ni（Ac）2·4H2O,and the mixture of dimethylglyoxime and anhydrous Ni（Ac）2 as the modeling reaction examples.The results indicated that the UV method was very sensitive in the initial period of solid-solid reaction.The reactive rates for above two reaction systems were varied non-linearly with the change of reaction time.The fastest reaction rates can be reasonably explained by the formation of the cold-melting layer or cold-dissolvingmelting layer.
