TACKLING IMPURITIES IN COPPER CONCENTRATES
Table 3Chemical Analysis of Mercury-Bearing Copper Concentrates Element Concentrate "A" Concentrate "B" Cu 26 20 Fe 26 27 S 28 38 As Sb 0.1 4.1 Zn 0.1 5.5 Hg ppm 200 430 The principal mineralogy of the two concentrates is shown in Table 4.