Additive reactions of Ni[(C 4H 9O) 2PS 2] 2 with ethylamine,diethylamine and triethylamine were studied by spectrophotometric methods in ethanol at several tempertures.With ethylamine,the adduct formation of NiL 2...Additive reactions of Ni[(C 4H 9O) 2PS 2] 2 with ethylamine,diethylamine and triethylamine were studied by spectrophotometric methods in ethanol at several tempertures.With ethylamine,the adduct formation of NiL 2·B and NiL 2·B 2 was established.For diethylamine and triethylamine,being of their steric hindrance effect,the formation of NiL 2·B only was concluded.Their additive equilibrium constants(lg β n)and additive molecular number(n) were discussed.Thermodynamic parameters △ r H m and △ r S m were found by the least square method.The additive equilibrium constants in the range 278 0~303 0K were described by empirical equation.展开更多
文摘Additive reactions of Ni[(C 4H 9O) 2PS 2] 2 with ethylamine,diethylamine and triethylamine were studied by spectrophotometric methods in ethanol at several tempertures.With ethylamine,the adduct formation of NiL 2·B and NiL 2·B 2 was established.For diethylamine and triethylamine,being of their steric hindrance effect,the formation of NiL 2·B only was concluded.Their additive equilibrium constants(lg β n)and additive molecular number(n) were discussed.Thermodynamic parameters △ r H m and △ r S m were found by the least square method.The additive equilibrium constants in the range 278 0~303 0K were described by empirical equation.