he present paper covers tlie preparation and isolation of a series of monosub-stituted molybdophosphates Na_5 [PZ(H_2O)Mo_11 O_39]· 5H_2O (Z=Mn￣2+, Co￣2+,Ni￣2+, Cu￣2+, Zn￣2+)by an improved method. These comp...he present paper covers tlie preparation and isolation of a series of monosub-stituted molybdophosphates Na_5 [PZ(H_2O)Mo_11 O_39]· 5H_2O (Z=Mn￣2+, Co￣2+,Ni￣2+, Cu￣2+, Zn￣2+)by an improved method. These complexes were characterized byfull elemental analysis, IR spectra and UV-Vis. The studies show that the pre-pared products still keep Keggin structure and the substituting metal would belooated in coordination site. Based on this, their some pysico-cliemical propertiesrelated with their catalytic beliaviour,such as thermal stability and acidity proper-ty, were studied.展开更多
文摘he present paper covers tlie preparation and isolation of a series of monosub-stituted molybdophosphates Na_5 [PZ(H_2O)Mo_11 O_39]· 5H_2O (Z=Mn￣2+, Co￣2+,Ni￣2+, Cu￣2+, Zn￣2+)by an improved method. These complexes were characterized byfull elemental analysis, IR spectra and UV-Vis. The studies show that the pre-pared products still keep Keggin structure and the substituting metal would belooated in coordination site. Based on this, their some pysico-cliemical propertiesrelated with their catalytic beliaviour,such as thermal stability and acidity proper-ty, were studied.
