摘要
用循环线性电流扫描计时电位法和循环伏安法研究了双1∶11镝的硅钼杂多酸阴离子在水/硝基苯界面的转移。在pH=1.1~5.3时,转移离子为H9Dy(SiMo11O39)24-.根据循环伏安结果计算得转移离子的标准电位差和Gibbs转移自由能分别为0.102V和-39.5kJ·ml-1,并由循环线性电流扫描计时电位法计算了转移离子的有关动力学参数,H9Dy(SiMo11O39)24-在水/硝基苯界面的转移属准可逆转移.
The transfer of bis-1:11 molybdosilicate heteropolyanion with dysprosium across the water/nitrobenzene interface has been investigated by chronopotentiometry with linear current scanning and cyclic votammtry. The standard transfer potential and Gibbs energy estimated from cyclic voltammtry were 0.102V and -39.5kJ.mol-1, respectively. The kinetic paramters of the transfer were determinated by chronopotentiometry with linear current scanning.
出处
《物理化学学报》
SCIE
CAS
CSCD
北大核心
1995年第3期242-246,共5页
Acta Physico-Chimica Sinica
基金
国家自然科学基金
关键词
镝
硅钼杂多酸
水/硝基苯界面
CLC
循环伏安法
Bis-1:11 molybdosilicate heteropolyanion with dysprosium,Water/nitrobenzene interface, Chronopotentiometry with linear current scanning, Cyclic voltammetry