亚甲基蓝褪色光度法测定痕量溴酸根动力学参数的测定

Methylene blue spectrophotometric determination of bromate determination of kinetic parameters

探讨了在盐酸介质中,溴酸根氧化亚甲基蓝褪色分光光度法测定痕量溴酸根的最佳条件,其最大吸收波长是665 nm,以及在一定的条件反应的动力学性质,测定了反应的表观活化能是67.25KJ/mol,反应的速率常数为0.74×103(mol/L)-2,总反应级数为3级反应。

Discussion of hydrochloric acid medium, Bromate oxidation of methylene blue Spectrophotometric Determination of Bromate in the best conditions, the maximum absorption wavelength of 655nm, and in certain conditions the kinetic nature, the reaction of the apparent activation energy is 67.25KJ/mol ,the reaction rate constant of 0.74 × 103 （mol/L）^ -2 · s^-1, the overall order for three reactions.