物理化学学报 >> 1999, Vol. 15 >> Issue (04): 370-374.doi: 10.3866/PKU.WHXB19990416

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新型液膜振荡器

贺占博, 阎喜龙, 聂玉敏, 张凤才   

  1. 天津大学化学系，天津 300072
  • 收稿日期:1998-06-29 修回日期:1998-10-08 发布日期:1999-04-15
  • 通讯作者: 贺占博

New Type of Liquid Membrane Oscillator

He Zhan-Bo, Yan Xi-Long, Nie Yu-Min, Zhang Feng-Cai   

  1. Department of Chemistry,Tianjin University,Tianjian 300072
  • Received:1998-06-29 Revised:1998-10-08 Published:1999-04-15
  • Contact: He Zhan-Bo

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关键词: 振荡器, 液膜, 乳化, 混合溶剂, 非离子表面活性剂

Abstract:

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.

Key words: Oscillator, Liquid membrane, Nonionic surfactant