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Citation: Liu Daojun, Ma Jiming, Cheng Humin, Zhao Zhenguo. Aggregation Behaviour of Mixed Surfactants in Apolar Solvent[J]. Chinese Journal of Applied Chemistry, ;1997, 14(6): 51-53. shu

Aggregation Behaviour of Mixed Surfactants in Apolar Solvent

1.
Department of Chemistry, Peking University, Beijing 100871

Received Date: 26 May 1997
Available Online: 2 September 1997
Fund Project:

The aggregation behaviour of mixed surfactants, sodium bis(2-ethylhexyl) sulfosuccinate and Brij30, in n-heptane has been investigated by iodine spectrometric method. The results showed that the CMC of the mixed surfactants firstly decreased and then increased with the increase of the proportion of nonionic surfactant Brij30 due to electric interaction and geometry of the surfactants. The water solubilization investigation indicated that at lower surfactant concentration the solubilizing capacity of the mixed reverse micelles firstly increased and then decreased with the increase of the proportion of Brij30. The difference of CMC values determined by iodine spectrometric method and water solubilization has been discussed.
- mixed surfactant,
- apolar solvent,
- aggregation behaviour,
- iodine spetrometric method,
- water solubilization,
- critical micelle concentration
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