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Citation: Guo Rong, Shen Ming, Liu Tian-Qing. Thermodynamical and Electrochemical Properties of CTAB/C_nH_2n+1OH/H₂O[J]. Acta Physico-Chimica Sinica, ;1999, 15(03): 269-273. doi: 10.3866/PKU.WHXB19990314 shu

Thermodynamical and Electrochemical Properties of CTAB/C_nH_2n+1OH/H₂O

1.
Department of Chemistry,Teacher's College,Yangzhou University,Yangzhou 225002

Received Date: 16 March 1998
Available Online: 15 March 1999

Distribution coefficient K of C n H 2 n +1 OH between micellar phase and water phase in CTAB/C n OH/H 2O O/W system increases with the increase of alcohol chain length. The relationship between solubilization Gibbs free energyΔGmΘ(A) of alcohol in CTAB micellar system and alcohol chain length( n C.) is given by an equation,viz: ΔGmΘ(A) = -6.82-1.175 n C. The measurement of cyclic voltammetry shows that the second cmc of CTAB reduces with the addition of alcohol and the increase of alcohol chain length, which is advantageous to the CTAB micelle sphere to rod transition.
- Micelle,
- Microemulsion,
- Distribution coefficient,
- Solubilization Gibbs free energy,
- Second CMC
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Thermodynamical and Electrochemical Properties of CTAB/CnH2n+1OH/H2O

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Thermodynamical and Electrochemical Properties of CTAB/C_nH_2n+1OH/H₂O