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本文从β-环糊精(β-CD)的包合作用及其对表面活性剂(SF)包合后引起的包合常数增大等方面,探讨了β-CD-与离子表面活性剂对显色反应的协同增敏作用机理。研究表明:β-CD与SF形成包合物SF-β-CD及SF-β-CD对显色剂及其显色络合物包合作用的增强,是产生协同增敏作用的主要因素,但还须考虑对空白值的影响以及配合物的稳定性,还提出了对同一显色体系应用不同SF-β-CD估计协同增敏趋势的方法。
In this paper, β-cyclodextrin (β-CD) and its inclusion of surfactant (SF) after inclusion caused by increased inclusion constants, discussed the β-CD- and ionic surfactant pairs Synergistic sensitization mechanism of color reaction. The results show that the inclusion of SF-β-CD and SF-β-CD on β-CD and SF enhanced the inclusion of chromogenic reagent and its chromogenic complex, which is the main factor of synergistic sensitization. However, the effect on the blank value and the stability of the complex have to be considered, and a method of estimating synergistic sensitization trends by applying different SF-β-CDs to the same chromogenic system has also been proposed.