Table 4 Parameters obtained from the Temkin isotherm and maximum experimental capacity of adsorption values, q_{m, exp}, for sections 2A and 2B of adsorption of MB on agar in different weight percentages of ethanol-water binary mixtures at 308-328 K

T = 308 K

0.0%

12.89

139.66

675821

0.997

45.93

303.03

399806

0.995

2.5%

13.89

107.62

498376

0.992

44.77

386.78

148424

0.974

5.0%

11.78

157.64

350988

0.988

45.20

460.79

159595

0.999

7.5%

19.61

279.42

213849

0.994

34.45

359.95

160740

0.991

10.0%

10.34

70.53

160879

0.995

22.08

76.66

154787

0.962

T = 318 K

0.0%

21.64

204.88

454648

0.991

48.75

514.35

92568

0.990

2.5%

16.41

163.78

302494

0.960

46.53

281.13

200848

0.977

5.0%

13.34

113.92

285825

0.994

42.25

290.63

123161

0.994

7.5%

19.01

238.80

137308

0.997

35.51

266.06

130419

0.991

10.0%

7.71

120.46

102685

0.968

26.43

104.21

73747

0.922

T = 328 K

0.0%

21.52

220.79

309683

0.995

47.53

454.13

170397

0.990

2.5%

21.07

225.10

225667

0.993

46.15

256.85

275633

0.988

5.0%

13.10

133.48

217722

0.998

42.30

333.37

99317

0.998

7.5%

16.96

187.31

109602

0.984

32.21

345.68

51340

0.986

10.0%

16.55

146.56

71996

0.973

34.90

334.97

28921

0.991