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. 2023 Jan 12;9(2):e12971. doi: 10.1016/j.heliyon.2023.e12971

Table 4.

Thermodynamic constants for Cd2+ adsorption by CHAp.

T (K) KD ΔG (kJ/mol) ΔH (kJ/mol) ΔS (kJ/mol) R2
298 1.0028 −5.937 175.591 0.610 0.968
303 1.0035 −8.817
308 1.0044 −11.261
313 1.0064 −16.656
318 1.0072 −20.035