Comparing the salting-out effects of alkali-metal nitrates on the water-isopropanol system
作者： K. K. Il’in , D. G. Cherkasov , V. F. Kurskii
DOI: 10.1134/S003602361110010X
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摘要: The salting-out effects of sodium, potassium, and cesium nitrates on the water-isopropanol system, which is homogeneous throughout its liquid-state temperature range, are compared at different temperatures. alkali-metal nitrates, undergo homoselective solvation in aqueous-organic solvents, exert a effect aqueous isopropanol. As crystallographic radius cation decreases order CsNO3-KNO3-NaNO3, monotectic critical tie line for salt-water-isopropanol system (79.0, 47.2, 6.1°C, respectively). In each ternary isopropanol strengthens with an increasing temperature, particularly containing sodium nitrate. Among salts examined, strongest between 6.1 90.0°C produced by
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