Table 7 ΔH and ΔS values of sections 2A and 2B of adsorption of MB on agar in water and various concentrations of HCl 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 |
HCl (0.001 M) | -6.2 | 78.4 | HCl (0.001 M) | -14.7 | 41.6 |
HCl (0.032 M) | -11.0 | 61.9 | HCl (0.032 M) | -16.2 | 38.0 |