Material

Cu

Fe

SiO₂

S

As

Sb

Bi (ppm)

Ag (ppm)

insoluble

RP dust

17.2

13.6

20.1

7.7

4.4

1.0

100

460

11.4

Concentrate

42.1

11.1

5.0

30

5.2

0.3

68

486

6.5