in ethanol
oxalic acid dissolved in EtOH and this soln. added dropwise into soln. of Ni(NO3)2*6H2O in EtOH; ppt. sepd. by filtration and then washed with ethanol and water several cycles; solid dried at 100°C for 12 h and calcined at 400°C for 4 h;
Dessaignes
Justus Liebigs Annalen der Chemie, 1846 , vol. 58, p. 322
Full Text Show Details
Fehling
Justus Liebigs Annalen der Chemie, 1838 , vol. 28, p. 50
Full Text Show Details
Curtius
Journal fuer Praktische Chemie (Leipzig), 1882 , vol. <2> 26, p. 168
