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Citation: YIN Bao-Lin, WEI Xi-Lian, SUN De-Zhi, SANG Qing. Solubilization and Phase Transfer Free Energy of Some Organic Compounds in R_nTAC/SDS Aqueous Solution[J]. Chinese Journal of Applied Chemistry, ;2003, 20(7): 680-683. shu

Solubilization and Phase Transfer Free Energy of Some Organic Compounds in R_nTAC/SDS Aqueous Solution

1.
Department of Chemistry, Liaocheng University, Liaocheng 252059

Corresponding author: YIN Bao-Lin,
Received Date: 19 November 2002
Available Online: 24 March 2003

The solubilization of n-butanol, n-pentanol, n-hexanol, benzyl alcohol, n-hexane, benzene, toluene and carbon tetrachloride in the aqueous solutions of 3-alkoxyl-2-hydroxylpropyltrimethyl ammonium chloride(R_nTAC), sodium dodecyl sulfate(SDS) and their mixtures have been studied by microtitration method. The experimental results show that the solubilizing ability of the mixture system for polar substances is lower than that of the single surfactant aqueous solution. "V"-shaped solubilization curves for polar substances have been observed, and the minimum solubilized amount occurs in the mixture with molar ratio of R₁₄TAC/SDS=1:1. However, the solubilization curves of R₁₄TAC/SDS for non-polar substances show a saddle shape and the maximum solubilized amount occurs when their molar ratio is of 1:1. The phase transfer free energy for organic compounds from aqueous phase to micelle phase is found dependent on their polarity and chain length of R_nTAC and the less the polarity of organic compound, the easier for it to transfer from aqueous phase to micelle phase.
- alkoxylhydroxylpropyltrimethyl ammonium chloride,
- anionic-cationic surfactant mixed system,
- solubilization,
- phase transfer free energy
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Solubilization and Phase Transfer Free Energy of Some Organic Compounds in RnTAC/SDS Aqueous Solution

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通讯作者: 陈斌, bchen63@163.com

Solubilization and Phase Transfer Free Energy of Some Organic Compounds in R_nTAC/SDS Aqueous Solution