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IJPAP Vol.44(03) [March 2006] >


Title: Dielectric relaxation studies of binary mixture of pyridine and N,N-dimethylformamide in benzene solution using microwaves absorption data
Authors: Kumar, Sandeep
Sharma, D R
Thakur, N
Negi, N S
Rangra, V S
Keywords: Dielectric relaxation
Binary mixture
Pyridine
N,N-dimethylformamide
Issue Date: Mar-2006
Publisher: CSIR
IPC CodeG01R 27/26
Abstract: The dielectric relaxation time (t) of binary mixtures of different molar concentrations of pyridine (C5H5N) and N,N-dimethylformamide (DMF) in benzene solution has been calculated by using standard microwave techniques and Gopala Krishna’s single frequency (9.875 GHz) concentration variational method at different temperatures (25, 30, 35 and 40°C). The solute-solute molecular associations have been proposed. The dielectric relaxation has been found to be an activated process. The energy parameters for this activated process have been calculated and compared with that of viscous flow process.
Page(s): 264-268
ISSN: 0975-1041 (Online); 0019-5596 (Print)
Source:IJPAP Vol.44(03) [March 2006]

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