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Physical and derived excess properties of the system {x1CH3COOCH3+x2CH3OH + (1−x1−x2)CH3CH2C(OH)(CH3)2} at the temperature 298.15 K

✍ Scribed by A Rodrı́guez; J Canosa; J Tojo

Publisher
Elsevier Science
Year
1998
Tongue
English
Weight
203 KB
Volume
30
Category
Article
ISSN
0021-9614

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✦ Synopsis

Vigo, Espana ˜Ä Ž Density and refractive index data in the binary mixtures xCH COOCH q 1 y 3 3 . Ž . Ž .4 Ä Ž . Ž . Ž .4 xCH CH C OH CH and xCH OH q 1 y x CH CH C OH CH , and the ternary 3 2 3 2 3 3 2 3 2

sented at T s 298.15 K over the whole range of mole fractions and atmospheric pressure. These results are used to calculate excess molar volumes and changes of refractive index of mixing. The calculated quantities are further fitted to the Redlich᎐Kister and the Cibulka equations to estimate the binary and ternary interaction parameters, respectively, and standard deviations from the regression lines. To compare the physical and derived properties we applied several estimation methods. A comparison is made in terms of excess molar volumes and ternary contribution to these properties by variation of the number of methyl groups in the carbon that has the hydroxyl group.

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Excess molar volumes V E m of the ternary mixture {x1CH3(CH2)3OH+x2CH3(CH2)4CH3 + (1-x1-x2)CH3(CH2)3NH2} at the temperatures 298.15 K and 313.15 K, and the binary mixtures {xCH3(CH2)3OH + (1-x)CH3(CH2)3NH2}, {xCH3(CH2)4CH3 + (1-x)CH3(CH2)3NH2} at T=313.15 K have been determined from density measurem

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Densities and refractive indices at the temperature 298.15 K of {x1CH3COCH3 + x2CH3OH + (1 -x1 -x2)CH3(CH2)4OH} and of the corresponding binary mixtures: {xCH3COCH3 + (1x)CH3(CH2)4OH}, and {xCH3OH + (1x)CH3(CH2)4OH}, have been determined experimentally as a function of the mole fraction at atmospher