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Preparation and Characterization of Heteropolytungstoarsenate Complexes Containing Lanthanide Elemen
PreparationandCharacterizationofHeteropolytungstoarsenateComplexesContainingLanthanideElements¥WangWeiqing(DepartmentofChemic.........
报道了高价钨砷杂多酸盐[(C_4H_9)_4N]_21;[KAs_4W_40O_140(CrO)_2]、[(C_4H_9)_4N]_21[KAs_4W_40O_140Co_2]和[(C_4H_9)_4N]_21[KAs_4W_40O_140Mn_2]的合成,表征及其氧化性质.通过元素分析、磁化率、电子吸收光谱及e.s.r谱证明,标题化合物中取代元素Cr、Mn、Co的氧化......
本文报道了[KAs_4W_(40)O_(140)(M·H_2O_2]~(n-)杂多阴离子中配位水的取代反应.在水溶液中,许多配体,如[Fe(CN)_6]~(4-)、[Fe......