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Citation: He Zhan-Bo, Yan Xi-Long, Nie Yu-Min, Zhang Feng-Cai. New Type of Liquid Membrane Oscillator[J]. Acta Physico-Chimica Sinica, ;1999, 15(04): 370-374. doi: 10.3866/PKU.WHXB19990416 shu

New Type of Liquid Membrane Oscillator

1.
Department of Chemistry,Tianjin University,Tianjian 300072

Received Date: 29 June 1998
Available Online: 15 April 1999

A new type of liquid membrane oscillator in which non-ionic surfactant is the key component was designed in a U type tube and monitored by a pair of Pt electrodes. The fundamental composition is 1. 0% emulsifier OP (aq) / n-butanol: nitrobenzene = 1: 5 (V/ V) /0. 5mol•dm-3 NaCl(aq). The molecular formula of emulsifier OP is C8H17 O(CH2CH2O) 10H. The mechanism and influence factors were studied by replacing component, changing concentration, adding additive, comparison between different experimental apparatus and auxiliary experiment. The oscillatory mechanism is repetitive formation and abrupt destruction of interface membrane of the surfactant, induced by hydrogen bond between n-butanol and emulsifier OP.
- Oscillator,
- Liquid membrane,
- Nonionic surfactant
  ,
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