Praseodymium selenates

The measurements of Serebrennikov, Batyreva, and Tsybukova [78SER7BAT], which established the phase diagram of the system Pr2(Se04)3-Nd2(Se04)3-H20, indicate that Pr2(Se04)3 5H20 is the stable praseodymium selenate in contact with water at 298.15 K. The reported solubility is accepted [Pg.378]

Suponitskii et al. [69SUP/MA1] determined the enthalpy change of the reaction between Pr2(Se04)3 5H20(cr) and a solution of barium chloride with formation of BaSe04(cr) by a calorimetric measurement. The review calculated the enthalpy of formation [Pg.378]

No other thermodynamic data have been found for praseodymium selenates. [Pg.379]

It does not appear possible to obtain the anhydrous compound by heating of the hydrates without decomposition. Friend [1]. [Pg.470]

The influence of H2Se04 added to the solution is given in the following table [Pg.471]

The results are compared with La2(Se04)3 and Nd2(Se04)3 solutions, Friend [1]. The saturated solution contains 24.61 wt% Pr2(Se04)3 at 25°C [3]. [Pg.471]

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