Abstract
A process based on the acoustic near-field technique is proposed to characterize the system constituted by two non-miscible liquids. The method consists of studying the variations of the conditions of resonance of a vibrating probe during its immersion in the sample. The results are interpreted according to the modelling of the interactions between the probe and the liquid medium. A methodology to characterize the thickness, the viscosity and the density of the upper layer, the viscosity and the density of the aqueous phase is described.
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