化学
临界胶束浓度
肺表面活性物质
二甲酚橙
极谱法
胶束化热力学
电导法
蒸馏水
分光光度法
胶束
钠
无机化学
核化学
色谱法
水溶液
有机化学
生物化学
作者
J. Garcı́a-Antón,J. L. Guiñón
出处
期刊:Colloids and Surfaces
[Elsevier]
日期:1991-12-01
卷期号:61: 137-145
被引量:12
标识
DOI:10.1016/0166-6622(91)80305-8
摘要
The critical micelle concentration (CMC) values of the Hyamine 2389 surfactant, an alkyl (C9C15) benzyltrimethylammonium chloride, are determined. With the conductometric method the CMC value in distilled water is 0.67 g l−1. With the spectrophotometric method the CMC is 0.33 g l−1 when the Hyamine 2389-Xylenol Orange complex is used in the presence of 4·10−3M acetic acid/3.6·10−3M sodium acetate. With the polarographic method, involving measurement of the electrocapillary curves in the presence of 0.1 M potassium nitrate, two CMC values, 0.12 and 0.60 g l−1 are found due to the so-called sphero-to-rod transition.
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