平行催化体系线性与阶梯扫描伏安法的对比  

Studies on Correlation Between Linear Sweep Voltammetry and Staircase Voltammetry for Catalytic System

作　　者：莫金垣[1] 余新玄[1] 张润建[1] 蔡佩祥 

机构地区：[1]中山大学化学系

出　　处：《中山大学学报（自然科学版）》1997年第4期61-65,共5页Acta Scientiarum Naturalium Universitatis Sunyatseni

摘　　要：推导了平行催化体系线性扫描伏安法（ＣＬＳＶ）与阶梯扫描伏安法（ＣＳＣＶ）皆适合的电流理论方程，使这两种基本电分析方法得到有机的统一，从而说明ＣＳＣＶ是ＣＬＳＶ的近似，ＣＬＳＶ是ＣＳＣＶ的极限；在此基础上，详细讨论了ＣＬＳＶ与ＣＳＣＶ相似性的内在联系．结果表明：在阶梯数不多的情况下，取适当的采样分率，可使两者的重合性程度达到最佳．在化学反应速度常数值较大时。The current equations that were appropriate for both linear sweep voltammetry(CLSV) and staircase voltammetry for catalytic system(CSCV) were deducted.That made these two basic electroanalytical methods united organically.It proved that CSCV was the approximation of CLSV and CLSV was the ultimate of CSCV.On the basis of this, the relations of the similarities between CLSV and CSCV in details were discussed.Under the condition of few sampling numbers and stuitable sampling fraction,the best coicidence of these two methods could be got.The rate constant of chemical reaction was very large,they could be simplified to the same currennt equation.

关 键 词：催化伏安法 阶梯扫描伏安法 平行催化体系 

分 类 号：O657.14[理学—分析化学]