本文研究了甲基膦酸二甲庚酯(P_(350),以 B 表示)与伯胺 N_(1923)(以RNH_2表示)的正庚烷溶液,在(Na,H)C1介质中对 Cd(Ⅱ)的协同萃取。用等摩尔系列法和斜率法确定二元协萃配合物组成为(RNH_3C1)_2·CdC1_2·B;求得协萃反应平衡...本文研究了甲基膦酸二甲庚酯(P_(350),以 B 表示)与伯胺 N_(1923)(以RNH_2表示)的正庚烷溶液,在(Na,H)C1介质中对 Cd(Ⅱ)的协同萃取。用等摩尔系列法和斜率法确定二元协萃配合物组成为(RNH_3C1)_2·CdC1_2·B;求得协萃反应平衡常数1gK_(Bc)=2.08,协萃配合物的生成常数1gβ=0.70;计算了协萃反应的热力学函数△H=-14.56kJ/mol,△G=-12.07kJ/mol 和△S=-8.22J/mol·K;还讨论了协萃配合物的 IR 和NMR 谱。展开更多
The formation of reversed micelle of primary amine N1923 in different solvents is firstly investigated by determining the interfacial tension and electric conductivity in the organic phase and the IR spectra. A signif...The formation of reversed micelle of primary amine N1923 in different solvents is firstly investigated by determining the interfacial tension and electric conductivity in the organic phase and the IR spectra. A significant difference has been discovered for the formation of reversed micelle between the sulfate and the chloride.展开更多
The extraction of lactic acid(HA) with primary amine N1923(RNH 2) has been studied by means of a slope method and IR spectrophotometry at (298±1) K. The composition of the extracted complex was found to be RNH 2H...The extraction of lactic acid(HA) with primary amine N1923(RNH 2) has been studied by means of a slope method and IR spectrophotometry at (298±1) K. The composition of the extracted complex was found to be RNH 2HA. The equilibrium constant of extraction was determined as lg K ex = 1 63. The results showed that lower temperature was favorable for the extraction.展开更多
文摘本文研究了甲基膦酸二甲庚酯(P_(350),以 B 表示)与伯胺 N_(1923)(以RNH_2表示)的正庚烷溶液,在(Na,H)C1介质中对 Cd(Ⅱ)的协同萃取。用等摩尔系列法和斜率法确定二元协萃配合物组成为(RNH_3C1)_2·CdC1_2·B;求得协萃反应平衡常数1gK_(Bc)=2.08,协萃配合物的生成常数1gβ=0.70;计算了协萃反应的热力学函数△H=-14.56kJ/mol,△G=-12.07kJ/mol 和△S=-8.22J/mol·K;还讨论了协萃配合物的 IR 和NMR 谱。
文摘The formation of reversed micelle of primary amine N1923 in different solvents is firstly investigated by determining the interfacial tension and electric conductivity in the organic phase and the IR spectra. A significant difference has been discovered for the formation of reversed micelle between the sulfate and the chloride.
文摘The extraction of lactic acid(HA) with primary amine N1923(RNH 2) has been studied by means of a slope method and IR spectrophotometry at (298±1) K. The composition of the extracted complex was found to be RNH 2HA. The equilibrium constant of extraction was determined as lg K ex = 1 63. The results showed that lower temperature was favorable for the extraction.