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Kinetic, Equilibrium and Thermodynamics Study of the Adsorption of Pb(Ii), Cu(Ii) and Ni(Ii) from Aqueous Solution using <i>Mangiferaindica</i> Leaves
Online Journal of Materials Science
| Vol 1, Issue 1
Table 3. Thermodynamic parameter for the adsorption of Ni2+, Pb2+and Cu2+ ions on Mangiferaindicaleaf
| Parameters | ΔHo (KJ/mol) | ΔSo (KJ/mol/K) | ΔG KJ/mol | R2 | ||||
| Temperature (K) |
|
| 298 | 308 | 318 | 328 | 338 |
|
| Ni2+ | -8893.84 | -1.3515 | -1182.49 | -923.72 | -664.95 | -406.18 | -147.41 | 0.9795 |
| Pb2+ | -5710.25 | -0.7051 | -5486.6 | -5479.1 | -5471.6 | -5464.1 | -5456.6 | 0.6734 |
| Cu2+ | 2994.03 | 7.486 | 763.20 | 688.61 | 613.48 | 538.62 | 463.76 | 0.6184 |