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Received March 4, 2002
Accepted June 28, 2002
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Isentropic Compressibility of Aqueous and Methanolic Electrolytic Solution
Thermodynamics & Green Processing Laboratory, Department of Chemical Engineering, Sogang University, C.P.O. Box 1142, Seoul 121-742, Korea 1Material Science Division, Regional Research Laboratory, Jorhat-785 006, Assam, India 2Department of Chemistry, Dibrugarh University, Dibrugarh-786 004, Assam, India
Korean Journal of Chemical Engineering, July 2002, 19(4), 679-684(6), 10.1007/BF02699317
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Abstract
We studied the effect of ion-solvent and ion-ion interactions on the isentropic compressibility of aqueous and methanolic electrolytic solutions. In aqueous electrolytic solutions a critical concentration is attained and correlated with the completion of the primary hydration shell. Such a situation is lacking in methanolic solutions. An expression has been derived for estimating the hydration numbers of the electrolyte in its solutions by using the isentropic compressibility data.
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References
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Vaslow F, J. Phys. Chem., 73, 3745 (1969)
Blandamer MJ, J. Chem. Soc.-Faraday Trans., 94, 1057 (1998)
Bockris JOM, Saluja PPS, J. Phys. Chem., 76, 2140 (1972)
Davis CM, Litovitz TA, J. Chem. Phys., 42, 2563 (1965)
Eisenberg D, Kauzman W, "The Structure and Properties of Water," Oxford University Press, Oxford (1969)
Hinton JF, Amis ES, Chem. Rev., 71, 627 (1971)
Horne RA, "Water and Aqueous Solutions," Wiley Interscience, New York (1972)
Horvath AL, "Handbook of Aqueous Electrolyte Solutions," Ellis Horwood Limited Publishers, Chichester (1985)
Mahiuddin S, Ismail K, J. Phys. Chem., 87, 5241 (1983)
Mahiuddin S, Ismail K, J. Phys. Chem., 88, 1027 (1984)
Marcus Y, "Ion Solvation," Wiley Interscience, New York (1985)
Mellor JW, "A Comprehensive Treatise on Inorganic and Theoretical Chemistry," Vol. 10, Longmans, Green and Co., London (1952)
Millero FJ, Ricco J, Schreiber DR, J. Soln. Chem., 11, 671 (1982)
Ohtaki H, Radnai T, Chem. Rev., 93, 1157 (1993)
Onori G, J. Chem. Phys., 89, 510 (1988)
Rohman N, "Ultrasonic Velocities and Transport Properties of Aqueous and Nonaqueous Electrolytes," Ph.D. Thesis, The Dibrugarh University, Assam, India (2000)
Rohman N, Mahiuddin S, J. Chem. Soc.-Faraday Trans., 93, 2053 (1997)
Rohman N, Dass NN, Mahiuddin S, J. Chem. Eng. Data, 44, 465 (1999)
Roy S, Bagchi B, J. Chem. Phys., 99, 9938 (1993)
Roy S, Bagchi B, J. Chem. Phys., 101(5), 4150 (1994)
Sheng P, "Homogenization and Effective Moduli of Materials and Media," Eriksen, J.L, Kinderleher, D., Kohn, R. and Lions, J.L., eds., Springer-Verlag, New York (1983)
Strutt JW, Baron R, "The Theory of Sound," 3rd ed. Macmillan, London (1986)
Vaslow F, J. Phys. Chem., 73, 3745 (1969)
