Table 2 Degree of freedom for different size fractions.

From: Leaching and solvent extraction purification of zinc from Mehdiabad complex oxide ore

Size fraction (µm)

− 38

38–53

53–75

75–90

90–125

125–250

250–500

 + 500

Degree of freedom (%)

 > 95

92

82

73

64

42

12

0