Copper Nanoparticles Prepared from Oxalic Precursors

Table 1

Chemical parameters used for the synthesis of the copper oxalate powders.

Oxalate powder	Copper nitrate solution	Oxalic acid solution	Addition flow (L h^−1)
OP1	CuNO3·3H2O ethanol, 83% vol. Water, 17% vol. (3.33 mol L^−1)	H2C2O4·2H2O water, 100% vol. (0.5 mol L^−1)	0.6
OP2	CuNO3·3H2O ethanol, 83% vol. Water, 17% vol. (3.33 mol L^−1)	H2C2O4·2H2O ethanol, 95% vol. Water, 5% vol. (0.5 mol L^−1)	0.6
OP3	CuNO3·3H2O ethanol, 83% vol. Water, 17% vol. (3.33 mol L^−1)	H2C2O4·2H2O butanol, 100% vol. (0.5 mol L^−1)	1.8