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We have determined, via electrophoresis, the zeta-potential at solid/non-polar liquid interfaces. The particles used were either metallic (Al, Ag, Pt) or non-conducting (capacitor paper, polyethylene) ones. The liquid was cyclohexane and its resistivity was modified by the addition of an electrolyte: triisoamylammonium picrate (TiAP). The zeta-potential and thus the electrical charge at the interface,...
Using two different time-of-flight techniques (pulse voltage and V.U.V. photons pulse) ion mobility measurements have been performed, at room temperature, on a purified and direct 50 cSt polydimethylsiloxane silicone oil (Rhône Poulenc 604 V 50). These experiments have been carried out in a cell with plane parallel electrodes, for electric fields strengths ranging from 0.4 kV cm−1 to 8 kV cm−1 and...
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