论文部分内容阅读
研究了KIO4-SC(NH2)2-H2SO4反应体系在封闭、半封闭以及开放系统中的非线性动力学行为.发现在封闭体系中体系的吸光度、铂电极电位和pH值呈现单峰或准振荡现象;在半封闭和开放系统中体系的铂电极电位和碘电极电位均呈振荡现象.封闭、半封闭及开放系统的动力学曲线受体系酸度和初始浓度比值犤KIO4犦0/犤SC(NH2)2犦0的影响.对照其在封闭、半封闭和开放系统中的动力学行为,以碘单质产生和消耗驱使的反应动力学可解释该反应体系的复杂现象.
The nonlinear kinetic behavior of KIO4-SC (NH2) 2-H2SO4 system in closed, semi-closed and open systems was investigated and the results showed that the absorbance, platinum electrode potential and pH of the system appeared single peak or quasi-oscillation Phenomenon in both semi-closed and open systems, the potentials of platinum electrode and iodine electrode all oscillate.The kinetic curves of closed, semi-closed and open systems depend on the ratio of acidity and initial concentration of the system 犤 KIO4 犦 0 / 犤 SC (NH2 ) 2 犦 0. In contrast to its kinetic behavior in closed, semi-closed and open systems, reaction kinetics driven by iodine production and consumption explain the complexities of the reaction system.