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在极谱学中,各作者得到的从半波电位E_(1/2)求络合物稳定常数的公式中,都要用到半波电位E_(1/2)和汞滴表面络合剂X~(b-)的平衡浓度[X]_0这两个最基本的量.其中,E_(1/2)这个量不但可以从实验上直接测定,而且它与标准电极电位、稳定常数、活度系数、扩散系数以及汞滴表面络合剂的平衡浓度等的关系式已由许多学者从理论上进行了推导.
In the polarography, the formulas of the stability constants of complex obtained from the half wave potential E_ (1/2) obtained by each author should use half wave potential E_ (1/2) and mercury drop surface complexing agent X ~ (b-) of the balance of the concentration [X] _0 these two most basic amount of which E_ (1/2) this amount can not only be measured directly from the experiment, but also with the standard electrode potential stability constant Degree coefficient, the diffusion coefficient and the equilibrium concentration of mercury drop surface complexing agent and other relations have been derived theoretically by many scholars.