Sorbent

K_f

n

$Q_e^m$ *

$Q_e^{cal}$ ^#

K₂

R²

Pumpkin base-pH > 8

56

6

87

88

0.031

1

Pumpkin-base-pH 7.2

27

5

68

68

0.0084

0.993

Pumpkin base pH 5.6

2.0

1.5

49

51

0.0056

0.997

Potatobase-pH > 8

79

12

88

88

1.29

1

Potato base-pH 7.2

39

5

87

87

0.037

1

Potato base-pH 5.6

27

1.5

67

67

0.010

0.999