The photocatalytic degradation activities of titanium dioxide composite system modified by phosphotungstic acid/ammoniumoxalate using methyl orange as model pollutant were studied.
The ferrous oxalate with crystal water was prepared with ferrous ammonium sulfate and oxalic acid in acid medium.
采用硫酸亚铁铵和草酸溶液在酸性介质条件下合成含有结晶水的草酸亚铁。
3
Study is made of a new process for directly extraction of the cobalt oxalate from ammoniumoxalate in the acid solution directly dissolved from lithium cobaltate.