Synthesis, Characterization, and Phosphoesterase Activity of a Series of 4f- and 4d-Sandwich-Type Germanotungstates [(<i>n</i>-C<sub>4</sub>H<sub>9</sub>)<sub>4</sub>N]<sub><i>l</i>/<i>m</i></sub>H<sub>2</sub>[(M(H<sub>2</sub>O)<sub>3</sub>)(γ-GeW<sub>10</sub>O<sub>35</sub>)<sub>2</sub>] (M = Ce<sup>III</sup>, Nd<sup>III</sup>, Gd<sup>III</sup>, Er<sup>III</sup>, <i>l</i> = 7; Zr<sup>IV</sup>, <i>m</i> = 6)
Inorganic chemistry