Dielectric measurements on methyl acetate plus alcohol mixtures at (288, 298, 308, and 318) K using the time domain technique

Citation
Rm. Shirke et al., Dielectric measurements on methyl acetate plus alcohol mixtures at (288, 298, 308, and 318) K using the time domain technique, J CHEM EN D, 45(5), 2000, pp. 917-919
Citations number
14
Categorie Soggetti
Chemistry,"Chemical Engineering
Journal title
JOURNAL OF CHEMICAL AND ENGINEERING DATA
ISSN journal
00219568 → ACNP
Volume
45
Issue
5
Year of publication
2000
Pages
917 - 919
Database
ISI
SICI code
0021-9568(200009/10)45:5<917:DMOMAP>2.0.ZU;2-T
Abstract
Using picosecond time domain reflectometry (TDR), dielectric relaxation stu dies have been carried out for methyl acetate + methanol, methyl acetate ethanol, and methyl acetate + propan-1-ol mixtures over the frequency range 10 MHz to20 GHz at (288, 298, 308, and 318) K. The relaxation in this syst em can be described by a single relaxation time using the Debye model. The bilinear calibration method and least-squares fit method have been used to obtain dielectric parameters viz. static dielectric constant (epsilon(0)), dielectric constant at microwave frequency (epsilon(infinity)), and relaxat ion time (tau). The Kirkwood correlation factors have also been obtained fo r the systems. The values of the static dielectric constant and the relaxat ion time increase with an increase in the percentage of alcohol in methyl a cetate.