论文部分内容阅读
本文探讨了钛(IV)-DCTA络合物在极谱过程中的一些电化学行为,讨论了极谱测定Ti(IV)-DCTA络合物的理论依据,并对迄今未见报导的该络合物稳定常数进行了测定.得到1.在离子强度为0.2M(KNO_3),(25±0.2)℃pH3-5.0,条件下,测得Ti(IV)与DCTA络合物稳定常数为lgk=19.12±0.70;2.确定Ti(IV)与DCTA络合物在极谱过程中两个氢离子参予了电极反应;3.确定了络合物的电极反应电子转移数为n=1;4.并确定了在本文实验条件下,Ti(IV)与DCTA络合物极谱波的可逆情况.
In this paper, some electrochemical behaviors of titanium (IV) -DCTA complexes during polarographic observation were discussed. The theoretical basis for the polarographic determination of Ti (IV) -DCTA complexes was discussed. The stability constants of the complexes were measured and the results showed that the stability constant of Ti (IV) complex with DCTA was 1gk at ionic strength of 0.2M (KNO 3) and (25 ± 0.2) ℃ pH 3-5.0. 19.12 ± 0.70; 2. Determine the electrode reaction of two hydrogen ions in the complex between Ti (IV) and DCTA during the polarography; 3.Determine the electrode reaction electron transfer number of the complex is n = 1; 4 The reversibility of the polarographic wave of the complex of Ti (IV) with DCTA was also determined under the experimental conditions in this paper.