Size fraction (mm)

Products

Weight (%)

Chemical analysis (%)

Distribution (%)

of the fraction

of the initial

Fe₂O₃

SiO₂

NiO

Fe₂O₃

SiO₂

NiO

−8 + 4

Float

88.2

35.8

13.57

69.23

1.45

66.20

95.36

94.01

Sink

11.8

4.8

51.97

25.25

0.69

33.80

4.64

5.99

Total

100

40.5

18.09

64.06

1.36

100

100

100

−4 + 1

Float

84.2

24.4

15.82

50.21

1.34

60.59

92.00

91.38

Sink

15.8

4.6

54.99

23.34

0.68

39.41

8.00

8.62

Total

100

28.9

21.99

45.97

1.24

100

100

100

−1 + 0.250

Float

86.1

11.2

13.93

48.47

2.58

60.39

93.94

94.49

Sink

13.9

1.8

56.43

19.32

0.93

39.61

6.06

5.51

Total

100

13.0

19.85

44.41

2.35

100

100

100

−0.250 + 0.063

Float

87.1

5.8

12.79

44.40

2.19

68.64

92.20

92.15

Sink

12.9

0.9

39.64

25.48

1.27

31.36

7.80

7.85

Total

100

6.7

16.24

41.96

2.07

100

100

100

−0.063

Total

100

10.9

19.21

44.13

1.87

100

100

100

Grand Total

100