引用本文:
李海朝, 刘金彦, 张迎春. 自探针荧光法研究十二烷基苯磺酸钠与TritonX-100相互作用[J]. 应用化学,
2011, 28(1): 113-117.
doi:
10.3724/SP.J.1095.2011.00243
Citation: LI Haichao, LIU Jinyan, ZHANG Yingchun. Interaction of Sodium Dodecyl Benzene Sulfonate and TritonX-100 Studied by Intrinsic Fluorescence[J]. Chinese Journal of Applied Chemistry, 2011, 28(1): 113-117. doi: 10.3724/SP.J.1095.2011.00243
Citation: LI Haichao, LIU Jinyan, ZHANG Yingchun. Interaction of Sodium Dodecyl Benzene Sulfonate and TritonX-100 Studied by Intrinsic Fluorescence[J]. Chinese Journal of Applied Chemistry, 2011, 28(1): 113-117. doi: 10.3724/SP.J.1095.2011.00243
自探针荧光法研究十二烷基苯磺酸钠与TritonX-100相互作用
English
Interaction of Sodium Dodecyl Benzene Sulfonate and TritonX-100 Studied by Intrinsic Fluorescence
Abstract:
Using the chromophore base of benzene sulfonate in sodium dodecyl benzene sulfonate(SDBS), the aggregation property of SDBS with non-ionic surfactant TritonX-100 in aqueous solution was studied by fluorescence. Results show there are two turning points in the variation curve of fluorescence intensity I as a function of concentration, which is the critical micelle concentration and the concentration at which the micelle shape changed, respectively. The interaction parameter βM between SDBS and TritonX-100 was calculated by the formula of mixed micelle interaction. The results show there is synergism and strong interaction between them.
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Key words:
- intrinsic fluorescence
- / interaction
- / mixed micelle
- / critical micelle concentration
- / surface tension
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