Parameters

Pseudo first-order model

Pseudo second-order model

Elovich model

q_e(exp)

(µmol/g)

k₁

(1/min)

q_e(cal)

(µmol/g)

R²

k₂ (g/µmol min)

q_e(cal) (µmol/g)

h (µmol/g min)

R²

α (µmol/g min)

β (g/µmol)

R²

pH

4

49.70

0.0578

15.99

0.946

0.0114

50.51

29.07

0.999

946.87

0.1890

0.953

5

43.33

0.0366

23.78

0.971

0.0043

44.64

8.67

0.999

49.86

0.1531

0.981

6

41.13

0.0389

26.41

0.995

0.0036

42.92

6.68

0.999

33.62

0.1538

0.967

7

34.13

0.0493

27.09

0.939

0.0041

35.71

5.19

0.999

29.01

0.1890

0.986

8

33.27

0.0379

23.21

0.989

0.0035

35.21

4.34

0.999

16.25

0.1719

0.953

9

30.10

0.0417

20.41

0.991

0.0045

31.75

4.49

0.999

23.07

0.2089

0.945

10

19.20

0.0387

15.59

0.995

0.0046

20.70

1.96

0.999

5.99

0.2721

0.983

[RR239] (µmol/L)

30

14.57

0.0603

1.23

0.676

0.1941

14.62

41.49

1.000

3.40 × 10⁶

1.3187

0.732

50

25.03

0.0739

2.30

0.730

0.1148

25.13

72.46

1.000

2.29 × 10⁶

0.7278

0.762

100

49.33

0.0645

18.53

0.954

0.0108

50.25

27.39

1.000

1.35 × 10³

0.1998

0.963

150

59.77

0.0479

24.61

0.993

0.0062

60.98

23.09

0.999

1.17 × 10³

0.1633

0.979

200

71.67

0.0419

33.16

0.995

0.0039

72.99

20.79

0.999

6.17 × 10²

0.1259

0974

Ionic strength (mol/L)

0.01

49.07

0.0606

10.74

0.929

0.0195

49.50

47.85

1.000

2.38 × 10⁴

0.2628

0.934

0.02

48.93

0.0672

13.67

0.976

0.0171

49.50

42.02

1.000

1.08 × 10⁴

0.2463

0.943

0.03

48.80

0.0539

12.48

0.946

0.0154

49.26

37.31

1.000

9.08 × 10³

0.2445

0.953

0.04

48.67

0.0534

12.71

0.953

0.0150

49.26

36.49

1.000

8.29 × 10³

0.2433

0.954

Temperatures (˚C)

30

48.97

0.0458

20.31

0.939

0.0075

49.75

18.45

1.000

3.52 × 10²

0.1743

0.972

35

49.47

0.0610

20.51

0.972

0.0095

50.51

24.21

1.000

5.04 × 10²

0.1764

0.957

40

49.50

0.0534

18.20

0.974

0.0097

50.25

24.57

1.000

2.44 × 10³

0.2159

0.979

45

49.53

0.0619

17.03

0.941

0.0120

50.25

30.30

1.000

1.68 × 10³

0.2032

0.956