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IJPAP Vol.44(12) [December 2006] >


Title: Molecular associations in binary mixture of pyridine and N, N-dimethylacetamide in benzene solution using microwave absorption data
Authors: Kumar, Sandeep
Sharma, D R
Thakur, N
Negi, N S
Rangra, V S
Keywords: Dielectric relaxation
Binary mixture
Pyridine
N, N-dimethylacetamide
Issue Date: Dec-2006
Publisher: CSIR
IPC CodeG0lR 27/26
Abstract: The dielectric relaxation time (τ) of binary mixtures of different molar concentrations of pyridine (C5H5N) and N, N- dimethylacetamide (DMA) in benzene solution has been calculated by using standard microwave techniques and Gopala Krishna's [Trans Farad Soc, 33 (1957) 767.] single frequency (9.875 GHz) concentration variational method at different temperatures (25, 30, 35 and 40°C). It is found that the dielectric relaxation time (τ) varies non-linearly with the increasing molar concentration of pyridine in the binary mixture of pyridine and DMA. Hence, solute-solvent and solute-solute molecular associations have been proposed.
Page(s): 939-942
ISSN: 0975-1041 (Online); 0019-5596 (Print)
Source:IJPAP Vol.44(12) [December 2006]

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