α-和β-[SiW<sub>9</sub>O<sub>37</sub>M<sub>3</sub>(H<sub>2</sub>O)<sub>3</sub>]<sup>7-</sup>(M=Al<sup>3+</sup>,Ga<sup>3+</sup>,In<sup>3+</sup>)的合成和钨-183核磁共振研究

Studies on Synthesis and ¹⁸³W NMR Spectra of a- and β-[SiW₉O₃₇M₃(H₂O)]^7-= Al³⁺, Ga³⁺, In³⁺)

LIU Jing-Fu, MENG Lu, ZHAO Ben-Liang

Chem. J. Chinese Universities . 1993, (5): 602 -605 .