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The proposed nondestructive method is used for the accurate detection of complex permittivity and adulteration in petroleum liquid. The microstrip straight resonator is used to record the resonant frequency shift and Quality factor change for different percentages of ethanol in gasoline. The instrument prototype with the necessary GPIB interface and the network analyzer is used for the efficient and...
Complex permittivity spectra of mixtures of 1-heptanol and phenol over a range of concentration are obtained in the frequency range 30 MHz to 3.0 GHz using Vector Network Analyzer (VNA). Obtained complex permittivity data points at different frequencies were fitted into Debye model to evaluate dielectric relaxation parameters like, a relaxation time (tau), static permittivity (isin0) and permittivity...
Complex permittivity of 1-butanol and its mixtures with fluorobenzene over a range of concentration were obtained in the radio and lower microwave frequency range at constant temperature. Vector network analyzer (VNA) operating in the frequency range 0.03 MHz to 3.0 GHz was used to obtain complex permittivity spectra. Complex permittivity data points at different frequencies were fitted into Debye...
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