| 离子型-非离子型混合表面活性剂对显色反应作用的研究及应用 IV:用显色剂在胶束相的有效介电常数及分配系数探讨反应机理 |
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| 引用本文： | 戚文彬,王耕. 离子型-非离子型混合表面活性剂对显色反应作用的研究及应用 IV:用显色剂在胶束相的有效介电常数及分配系数探讨反应机理[J]. 化学学报, 1988, 46(2): 187-190 |
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| 作者姓名： | 戚文彬 王耕 |
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| 作者单位： | 杭州大学化学系 |
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| 摘 要： | 近年来,将离子型和非离子型混合表面活性剂应用于痕量. 微量金属分析已有一些报道,但对显色反应的机理研究还不多. 我们曾指出混合胶束的形成改变了反应微环境,是产生协同增敏作用的机理之一. 本文以PAR-混合表面活性剂相互作用为例,用超过滤法. 紫外-可见光度法研究了显色剂在混合胶束中分配系数和有效介电常数,并讨论了这些常数与某些体系光度性质的相关性.
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| 关 键 词： | 显色剂 显色反应 表面活性 非离子表面活性剂 吡啶偶氮间苯二酚 胶束溶液 分布函数 介电常数 |
Studies on the effect of Ionic-Nonionic surfactants on color reaction and its application IV: Distribution coefficients and effective dielectric constants of color reagents in micellar solution |
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| QI WENBIN,WANG GENG. Studies on the effect of Ionic-Nonionic surfactants on color reaction and its application IV: Distribution coefficients and effective dielectric constants of color reagents in micellar solution[J]. Acta Chimica Sinica, 1988, 46(2): 187-190 |
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| Authors: | QI WENBIN WANG GENG |
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| Abstract: | The distribution coefficients of PAR and effective dielec. constants of PAR microenvironment in mixed ionic-nonionic surfactant solns. were determine by ultrafiltration and UV-visible spectrophotometric method. The relation between the data and synergic sensitizing effect of mixed ionic-nonionic surfactants on color reaction were deduced. The main causes of synergic sensitizing effect of mixed ionic-nonionic surfactants on color reaction were the synergic enrichment effect of the micelle and the unsym. microenvironment effect on the color complex. |
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| Keywords: | COLOUR REAGENTS COLOR REACTION SURFACE ACTIVITY NON IONIC SURFACTANTS PYRIDINE AZO RESORCINOL MICELLAR SOLUTION DISTRIBUTION FUNCTION DIELECTRIC CONSTANT |
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