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ISOCONCENTRATES OF UO$sub 2$(NO$sub 3$)$sub 2$-NH$sub 4$NO$sub 3$-HNO$sub 3$-(C$sub 2$H$sub 5$)$sub 2$O-H$sub 2$O SYSTEM
Andrey Vladimirovich Nikolaev, A.G. Kurnakova
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Abstract
Diagrams were plotted for quadruple systems ub 2/H/sub 5/) /sub 2/O at 25 deg C in rectangular coordinates showing the aqueous systems in rectangnlar co- ordinates and the ether system plotted as equilibrium magnitudes of distribution constants) for the total field of aqueous solutions. An isoconcentrate diagram of 1.5N HNO/sub 3/ for the quintuple system HNO/sub 3/-NH/sub 4/NO/sub 3/-- UO/ sub 2/(NO/sub 3/)/sub 2/-- H/sub 2/O-- (C/sub 2/H/sub 5/ )/sub 2/O is included. It is shown that nitric acid with a salting out reagent increases the extraction. (R.V.J.)