sodium hydroxide in water aq. NaOH added to aq. soln. of oxalic acid under vigorous stirring; aq. soln. of copper dichloride slowly added under vigorous stirring; precipitate filtered and washed with anhydrous ethanol; dried at 110°C for 1 h;
参考文献
Broadbent, Derek; Dollimore, John; Dollimore, David; Evans, Trefor A.
Journal of the Chemical Society, Faraday Transactions, 1991 , vol. 87, # 1 p. 161 - 166