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Citation: LIU Yan, GUO Xia, GUO Rong. Interaction between N, N-diethylaniline and SDS/n-C₅H₁₁OH/H₂O Microemulsion[J]. Acta Physico-Chimica Sinica, ;2005, 21(01): 38-41. doi: 10.3866/PKU.WHXB20050108 shu

Interaction between N, N-diethylaniline and SDS/n-C₅H₁₁OH/H₂O Microemulsion

1.
School of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou　225002

Received Date: 15 June 2004
Available Online: 15 January 2005

The interaction between N, N-diethylaniline (DEA) and SDS/n-C5H11OH/H2O microemulsion was investigated by cyclic voltammetric method. DEA has two oxidation peaks in both O/W and W/O microemulsions, and the potential difference is only about 0.099 V between the two peaks ( Table 1, Fig.2).Since the energy needed for the radical cation DEA＋● losing an electron to form DEA2＋ is about 0.50 V (E(DEA /DEA＋●)－E(DEA＋●/DEA)≈0.50 V),the two peaks are both produced by DEA molecule losing an electron to form DEA＋●. The results indicate that DEA molecules can reside in the membrane phase of O/W and W/O microemulsion droplets with two ways. Some of them are located in the membrane phase of microemulsion near to the polar head of surfactant and cosurfactant, and others are located in the side of the hydrophobic tail of the surfactant. The distribution between the two locations depends on the structures and compositions of the microemulsions.
- Cyclic voltammetry;Microemulsions;N,N-diethylaniline;Sodium dodecyl sulfate(SDS)
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Interaction between N, N-diethylaniline and SDS/n-C5H11OH/H2O Microemulsion

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通讯作者: 陈斌, bchen63@163.com

Interaction between N, N-diethylaniline and SDS/n-C₅H₁₁OH/H₂O Microemulsion