Thermoacoustic properties of methyl esters ofn-alkanoic acids |
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| Authors: | Sandya Cole J. V. Rao P. Venkatacharyulu |
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| Affiliation: | (1) Physics Department, Nagarjuna University, 522 510 Nagarjuna Nagar, India;(2) Present address: Chemistry Department, Bapatla Engineering College, 522101 Baptla, India |
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| Abstract: | A number of thermoacoustic parameters, including the Sharma constant S0, the isochoric temperature coefficient of volume expansivity (d Inα/d InT)V, the isochoric temperature coefficient of internal pressure (d InP
i/d InT)V, reduced volume V, reduced compressibility β and the Huggins parameter F, are estimated by using only the volume expansivity
α from the density temperature data for a number of methyl esters ofn-alkanoic acids. The methyl esters give excellent separation of saturated fatty acid mixtures. The Sharma constant, which
relates the molecular constantn and other thermoacoustic parameters, is a constant with a characteristic value of 1.11+0.01 for all these esters. |
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| Keywords: | Alkanoic acids density Huggins parameter internal pressure isochoric temperature coefficient methyl esters reduced compressibility reduced volume Sharma constant thermoacoustic properties volume expansivity |
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