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Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.
Аннотация:The formation of solid phases and soluble complexes in the YbCl3-Li6P6O18-H2O system was studied. Raising the Li6P6O18 concentration from 0.01 to 0.05 mol/l at a fixed YbCl3 concentration of 0.05 mol/l leads to Yb2P6O18 . 16H(2)O precipitation (solubility product, 7.2 x 10(10)). If Li6P6O18 is present in excess, ytterbium cyclohexaphosphate dissolves owing to the formation Of Soluble complexes, primarily [YbP6O18](3-) and [Yb(P6O18)(2)](9-). The mole fractions and stability constants of ytterbium cyclohexaphosphate complexes were determined.