High purity CuO can be used as pigments, organic synthesis catalysts, etc. The following is a flow chart for the production of high purity CuO by oxidation of crude copper powder (Note: the reagents a

High purity CuO can be used as pigments, organic synthesis catalysts, etc. The following is a flow chart for the production of high purity CuO by oxidation of crude copper powder (Note: the reagents added)
(1) Beaker; Measuring cylinder

(2) CuO + H 2 SO 4 ===CuSO 4 + H 2 O

(3) Crystallization; Filtration

(4) H 2 SO 4

(5) Crude copper powder mass