Table 2 ΔH and ΔS values of sections 2A and 2B of adsorption of MB on agar in water and various concentrations of NaCl at 308-328 K
From: Adsorptive removal of methylene blue by agar: effects of NaCl and ethanol
System | ΔH(kJ mol-1) | ΔS(J mol-1 K-1) | System | ΔH(kJ mol-1) | ΔS(J mol-1 K-1) |
|---|---|---|---|---|---|
Section 2A | Section 2B | ||||
Water | -32.8 | 5.2 | Water | -36.1 | -10.7 |
NaCl (0.01 M) | -12.6 | 59.5 | NaCl (0.01 M) | -22.7 | 21.0 |
NaCl (0.03 M) | -7.8 | 69.4 | NaCl (0.03 M) | -29.7 | -6.4 |