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Citation: Wang Shou-Xiang, Qiu Zhi-Xin, Chen Sen, ng Jian-Ping. Spontaneous Oscillation of Electrical Potential Across Liquid Membrane[J]. Acta Physico-Chimica Sinica, ;1993, 9(02): 273-276. doi: 10.3866/PKU.WHXB19930225 shu

Spontaneous Oscillation of Electrical Potential Across Liquid Membrane

1.
Department of Chemistry, Shanghai Normal University, Shanghai 200234

Received Date: 9 October 1991
Available Online: 15 April 1993

An artificial membrane consisting of pricramic acid in nitrobenzene was used as an oil phase imposed between two aqueous phases. The right one contained trimethyl-slearylammonium chloride and aicohol; and the left contained sucrose solution (or H_2O).
We found that this system exhibited rhythmic oscillation of electrical potential. The amplitude of the oscillations was between 20—150 mV. The oscillations were observed even when ethyl alcohol was absent in the aqueous of trimethylslearylammonium Chloride, and the increase in amplitude of oscillation with time was found to be less in the presence of sucrose. Some of the expremental results have been explained.
- Oscillation of Electrical potencial; Trimethylslearylammonium chloride; Pricramic acid; Liquid membrane
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