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Densities, speeds of sound, and isentropic compressibilities of binary and ternary mixtures containing CH3(CH2)3OH, CH3(CH2)4CH3, and CH3(CH2)3NH2at a temperature of 298.15 K

✍ Scribed by M. Domı́nguez; M.C. López; J. Santafé; F.M. Royo; J.S. Urieta

Publisher
Elsevier Science
Year
1997
Tongue
English
Weight
289 KB
Volume
29
Category
Article
ISSN
0021-9614

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✦ Synopsis

Densities r and speeds of sound u have been measured for {x1CH3(CH2)3OH + x2CH3(CH2)4CH3 + (1-x1-x2)CH3(CH2)3NH2}, and the corresponding mixtures CH2)3NH2}, at T = 298.15 K. Using these results, the isentropic compressibilities kS, the excess isentropic compressibilities k E S , and the speed of sound deviations Du, have been calculated for both the binary mixtures and the ternary system. Excess isentropic compressibilities and the speed of sound deviations have been fitted with the Redlich-Kister equation in the case of binary mixtures, while Cibulka's equation was used to fit the values relating to the ternary system.

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Excess molar volumes at the temperature 298.15 K were measured for , and {xCH3(CH2)4 CH3 +(1x)CH3(CH2)3OH}. Excess molar volumes were determined using an Anton Paar DMA 60/602 densimeter. The experimental values obtained in this work were compared with results obtained using methods which estimate

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## Excess molar volumes at CH2 )n-2CH3}, (n= 10 or n = 12), and {xCH3(CH2)3CH2Cl + (1x)CH3(CH2)n-2CH3}, (n= 10 or n = 12), were determined using a densimeter Anton Paar DMA 60/602. All the experimental values were compared with the results obtained by empirical expressions for estimating ternar