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A liquid/liquid interface excited by stimulation with water
Abstract.
An immiscible interface, which was composed of CaCl2 aqueous and ester phases, was excited by the
addition of a small amount of water. The excitation, i.e., burst and flow at the interface, was observed
above a critical concentration of CaCl2 in the aqueous phase. The critical concentration and degree of
excitation depended on the kind of ester. The mechanism of excitation is discussed in relation to the
interfacial tension and the Marangoni effect.
Keywords:
Excitation
Interface
Nonequilibrium
Liquid/liquid interface
Marangoni effect
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