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本文用TI(Ⅰ)离子选择性电极测定了TI~(3+)-H_2O_2-Fe~(2+)体系的反应参数,据此计算了该体系的反应级数,得到了反应速率方程式。对该反应体系的反应机理进行了探讨,并用稳态处理法对所提出机理进行验证,其结论与实验所得速率方程完全相符合。
In this paper, the reaction parameters of TI ~ (3 +) - H_2O_2-Fe 2+ system were determined by TI (Ⅰ) ion selective electrode. The reaction order of the system was calculated and the reaction rate equation was obtained. The reaction mechanism of the reaction system was discussed, and the steady-state method was used to verify the proposed mechanism. The conclusion is in good agreement with the experimental rate equation.