Phase equilibria in the liquid ternary system [Y(NO3)3(TBP)3]-[UO2(NO3)2(TBP)2]-C14H30 at different temperatures |
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| Authors: | V. A. Keskinov V. V. Lishchuk A. K. Pyartman |
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| Affiliation: | (1) St. Petersburg State Institute of Technology (Technical University), St. Petersburg, Russia |
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| Abstract: | ![]()
The phase diagrams of the ternary system [Y(NO3)3(TBP)3]-[UO2(NO3)2(TBP)2]-tetradecane in the temperature range 298.15–333.15 K were constructed. These diagrams contain the field of homogeneous solutions and the field of separation into two liquid phases (I, II). Phase I is enriched in [Y(NO3)3(TBP)3] and [UO2(NO3)2(TBP)2], and phase II is enriched in tetradecane. With increasing temperature, the two-phase fields contract. The critical points of the ternary liquid systems depend on temperature. In the two-phase systems, [UO2(NO3)2(TBP)2] is preferentially distributed in phase I, although the binary system [UO2(NO3)2(TBP)2] tetradecane is homogeneous over the entire temperature range. Original Russian Text ? V.A. Keskinov, V.V. Lishchuk, A.K. Pyartman, 2007, published in Radiokhimiya, 2007, Vol. 49, No. 5, pp. 417–419. |
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