Abstract

The study deals with the field dissociation effect in solutions of tetra-n-butylammonium picrate in benzene at high electric stress. The field-assisted ionization of the ion-pair is recognized as the most important contribution to a whole of non-linear effects, detected by a modulated resonance method. Care has been taken to separate the resultant in-phase and quadrature components of the signal. The conductance increases with field strength as predicted by Onsager's theory for solutions of 7 × 10 −5 to 3 × 10 −3 M up to field strengths of 15 MV/m. The phase lag between the alternating field at 85 Hz and the induced ionization is measured as a function of concentration and field strength.

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