Synthesis, characterization and photocatalytic performance of transition metal tungstates
Tungstates of divalent transition metals (MIIWO4, M= CoII, NiII, CuII, ZnII) were synthesized
by reaction of transition metal nitrates with sodium tungstate. The precipitates were then
calcined at 500° C. The materials were characterized by means of ICP-AES elemental
analysis, UV–Visible spectroscopy, X-ray diffraction (XRD), Scanning Electron Microscopy
(SEM) and surface area analysis. The higher activity for the decolourization of Methylene
Blue (MB) and Methyl Orange (MO) of ZnWO4 compared to that of the other investigated …
by reaction of transition metal nitrates with sodium tungstate. The precipitates were then
calcined at 500° C. The materials were characterized by means of ICP-AES elemental
analysis, UV–Visible spectroscopy, X-ray diffraction (XRD), Scanning Electron Microscopy
(SEM) and surface area analysis. The higher activity for the decolourization of Methylene
Blue (MB) and Methyl Orange (MO) of ZnWO4 compared to that of the other investigated …
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