Concentration of gold (2 ppm)

Conc. of Fe (ppm)

Au (ppm)

Conc. of Cu (ppm)

Au (ppm)

Conc. of Ag (ppm)

Au (ppm)

0.5

1.6

5

2.02

1

2.01

1.0

1.2

25

2.05

2

2.02

5

1.0

50

2.06

5

2.01

10

0.85

100

2.05

10

2.0

50

0.5

100

0.2