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Definition permittivity of weakly concentrated solutions in the microwave range

In this paper a modification of the well-known method of resonance dielectrometry is proposed with the aim to define a real part of the permittivity of weakly concentrated solutions in the microwave frequency band. By using the results of numerical simulations, the optimized electrodynamical module has been fabricated and tested. The experimental verification of the proposed method points out the high sensitivity and accuracy of measurements.