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本文利用超过滤法研究了Ni(Ⅱ)-BTAMB-SDBS体系的热力学性质,同时利用光度法研究了体系的动力学性质,讨论了表面活性剂与各组份之间的作用情况,结果表明,胶束对显色反应的“催化”作用,实质上是由胶束对过量试剂的“富集”作用引起,BTAMB几乎不被SDBS富集,故体系中观察不到这种催化作用,并且在通常所涉及的表面活性剂用量范围内,不存在过量胶束使显色体系腿色的效应,这与通常的表面活性剂增敏体系相比,有其特殊之处.
In this paper, the thermodynamic properties of Ni (Ⅱ) -BTAMB-SDBS system were studied by means of ultrafiltration. At the same time, the kinetic properties of Ni (Ⅱ) -BTAMB-SDBS system were studied by spectrophotometry. The interaction between the surfactant and the components was discussed. The “catalysis” effect of micelles on the color reaction is essentially caused by the “enrichment” of the excess agent by the micelles, with almost no enrichment of the BTBSB by the SDBS, so this catalysis is not observed in the system and at In general, the amount of surfactant involved is such that there is no effect of excess micelles on the leg color of the color developing system, which is peculiar to the usual surfactant sensitizing systems.