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Received December 1, 2011
Accepted March 31, 2012
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Excess molar enthalpies of ternary and constituent binary systems {1,2-dichloropropane+2-propanol+2-butanol} at T=298.15K
School of Nano&Materials Sciences and Engineering, Kyungpook National University, 386, Gajang-dong, Sangju-si, Gyeongbuk 742-711, Korea
mg_kim@knu.ac.kr
Korean Journal of Chemical Engineering, September 2012, 29(9), 1253-1258(6)
https://doi.org/10.1007/s11814-012-0045-9
https://doi.org/10.1007/s11814-012-0045-9
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Abstract
Ternary excess molar enthalpies at T=298.15 K and P=101.3 kPa for the system of {1,2-dichloropropane+2-propanol+2-butanol} and their constituent binary systems {1,2-DCP+2-propanol}, {1,2-DCP+2-butanol}, and {2-propanol+2-butanol} have been measured over the whole composition range using an isothermal micro-calorimeter with flow-mixing cell. All of the binary and ternary systems, including three pseudobinary systems, show endothermic behavior except for the binary mixture {2-propanol+2-butanol}, which shows small exothermicity. The Redlich-Kister equation was used to correlate the binary HEm, ij data, and the Morris equation to correlate the ternary HEm, 123 data. Comparisons between the Morris and Radojkovi equations for the prediction of HEm, 123 have been also made. The experimental results have been qualitatively discussed in terms of self-association, isomeric effect and chain length among_x000D_
molecules.
Keywords
References
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Sen D, Kim MG, Fluid Phase Equilib., 280(1-2), 94 (2009)
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Redlich O, Kister AT, Ind. Eng. Chem., 40, 345 (1948)
Morris JW, Mulvey PJ, Abbott MM, Van Ness HC, J.Chem. Eng. Data., 20(4), 403 (1975)
Riddick JA, Bunger WB, Sakano TK, (Eds.), Organic Solvents, vol. 2, 4th Ed., Wiley-Interscience, New York (1986)
Eduijee GH, Boyes AP, J. Chem. Eng. Data., 25(3), 249 (1980)
Sabbah R, An XW, Chickos JS, Leitao MLP, Roux MV, Torres LA, Thermochim. Acta, 331(2), 93 (1999)
Wadso I, Thermochim. Acta, 347(1-2), 73 (2000)
Tanaka R, D’Arcy PJ, Benson GC, Thermochim. Acta., 11, 163 (1975)
Christensen JJ, Izatt RM, Eatough DJ, Hansen LD, J.Chem. Thermodyn., 10(1), 25 (1978)
Ott JB, Marsh KN, Stokes RH, J. Chem. Thermodyn., 12(12), 1139 (1980)
Chand A, Fenby DV, J. Chem. Thermodyn., 10, 997 (1978)
Costigan MJ, Hodges LJ, Marsh KN, Stokes RH, Tuxford CW, Aust. J. Chem., 33, 2103 (1980)
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Kirkup L, Data analysis with excel, Cambridge University Press, Cambridge (2002)
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Radojkovic N, Tasic A, Grozdanic D, Djordjevic B, Malic D, J. Chem. Thermodyn., 9(4), 349 (1977)
