The Study of Aggregation Properties of Sodium Alkyl Benzenensulfonate

doi:10.7517/j.issn.1674-0475.2005.03.175

Abstract

Abstract: Critical micelle concentration (CMC), aggregation numbers and micropolarity of four sodium branched-alkyl benzene sulfonates were determined by steady-state fluorescence probe method in which pyrene was used as fluorescence probe and benzophenone was used as quencher. The comparison was performed between the CMC results obtained by steady-state fluorescence probe method and that obtained by surface tension method. The Mulliken charge distributions were computed at HF level with 6-31G^* basis set.

Key words: steady-state fluorescence, critical micelle concentration, aggregation number

CLC Number:

O648

SHI Fu-qiang, ZHANG Lu, ZHAO Sui, AN Jing-yi, YU Jia-yong. The Study of Aggregation Properties of Sodium Alkyl Benzenensulfonate[J]. Imaging Science and Photochemistry, 2005, 23(3): 175-182.

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