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THE INTERACTION OF ELECTROPHORETIC AND DIELECTROPHORETIC FORCES,
HARVARD UNIV CAMBRIDGE MASS CRUFT LAB
The effect of ionic space charge on dielectrophoretic forces in dielectric fluids is examined both theoretically and experimentally. Two new general theoretical results are presented. The alteration of dielectrophoretic force by space charge is illustrated experimentally by exhibiting the frequency dependencies of the PellatGreinacher method of determining the electric susceptibility of liquids. Finally, a new method is developed for measuring the electrical conductivity of liquids. Author