甲基橙褪色分光光度法测定亚硝酸根的动力学及机理探究

The nitrite catalysis potassium bromate oxidation methyl orangedynamics parameter determination and the mechanism inquired into

研究了在酸性介质中,NO_2^-对溴酸钾氧化甲基橙褪色反应的催化作用,以及在一定的条件下反应的动力学性质,测定了反应的表现活化能为69.20KJ·mol^(-1),25℃时反应的速率常数为10.261×10~7,反应为3.5级反应。利用动力学参数探讨了反应机理,并测试了干扰离子对反应的影响。

The study of the acid medium, with potassium bromate-orange discoloration of the catalyst and under certain conditions the kinetic nature, the reaction of the apparent activation energy of 69.20kJ/mol·25℃ reaction rate constant of 10.261×10^7, the reaction is 3.5 reaction. Discussion on the use of kinetic parameters of the reaction mechanism, and to test the ion interference effects on the reaction.