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KMID : 1059519840280060349
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Journal of the Korean Chemical Society
1984 Volume.28 No. 6 p.349 ~ p.354
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The Behavior of Electrolytes in Nonaqueous Solutions (IV). Relative Viscosities and Osmotic Coefficients of Alkaline Metal Iodides
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Kim Si-Joong
Kim Jin-Ho
Choi Kyu-Seong
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Abstract
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The relative viscosities and the osmotic coefficients of alkaline metal iodides (NaI, KI, RbI, CsI) in methanol, ethanol, dimethylsulfoxide (DMSO), and sulfolane (TMS) have been measured by Ubbelohde viscometer and vapor pressure osmometry at 45 ∼ 120℃. The order of A and B coefficients in viscosity for alkaline metal iodides are MeOH > EtOH > TMS > DMSO, and TMS > EtOH > DMSO > MeOH. dB/dT values for the alkaline metal iodides are in the order of NaI > KI > RbI > CsI in the protic solvents, while those for the aprotic solvents are in the reverse order. The order of the osmotic coefficients for the alkaline metal iodides is EtOH > DMSO > MeOH > TMS.
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