in water
rapid addn. (stirring) of oxalic acid soln. to neutral soln. of rare earth nitrate (95°C), pptn.; ppt. filtartion, washing, drying to const. weight over satd. NH4Cl at 25°C; thermal anal., differential thermal anal., powder X-ray diffraction;
参考文献
Fuller; Pinkstone
Journal of the less-common metals, 1980 , vol. 70, # 2 p. 127 - 142
in water
weighing of Gd2O3; dissolving in HCl; fast addn. of fresh prepared oxalic acid soln. in large excess; pptn., filtration, washing with H2O; drying in air at 80°C for 24h;
参考文献
Ubaldini; Artini; Costa; Carnasciali; Masini
Journal of Thermal Analysis and Calorimetry, 2008 , vol. 91, # 3 p. 797 - 803
