Metal

T (˚C)

Langmuir

Freundlich

q_max (mg∙g⁻¹)

b (L∙mg⁻¹)

R²

K_f

n

R²

Ni²⁺

15

35.34

0.002

0.990

0.15

1.21

0.997

20

27.32

0.01

0.952

1.35

1.97

0.989

25

29.67

0.02

0.980

2.44

2.38

0.991

30

31.55

0.03

0.989

5.93

3.63

0.910

35

31.15

0.03

0.994

5.53

3.49

0.926

40

31.25

0.03

0.984

6.93

4.02

0.889

Cd²⁺

15

28.99

0.01

0.956

1.52

2.00

0.991

20

31.45

0.07

0.821

7.39

3.69

0.944

25

36.50

0.27

0.776

14.75

5.54

0.925

30

52.08

0.15

0.987

17.15

4.65

0.977

35

51.81

0.22

0.986

19.55

5.21

0.975

40

51.28

0.29

0.975

20.62

5.49

0.983