Citation: Jian Ping LEI, Ying LI, Kong Shuang ZHAO. Dielectric Behavior of Middle Phase Microemulsion[J]. Chinese Chemical Letters, ;2000, 11(8): 739-742. shu

Dielectric Behavior of Middle Phase Microemulsion

Department of Chemistry, South China Normal University, Guangzhou 510631

Received Date: 11 February 2000

Fund Project: This work was supported by NNSFC(No 29873015), The Excellent Young Teacher Foundation of the State Education Committee, NSF of Guangdong Province and the Fund for Fundament Research Project of Guangzhou City.

Dielectric measurements were performed on middle phase microemulsions composed of sodium dodecylsulfate(SDS), cetyltrimethylammonium bromide(CTAB), n-butanol, n-heptane and brine. Distinct and unique dielectric behavior, with characteristic frequency dependence regularity on the salinity of the microemulsions, was observed in the low-frequency range from 10-10³Hz. It can be considered to be an interfacial polarization mechanism.
- Middle phase microemulsions,
- dielectric spectroscopy,
- relaxation time
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