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Table 4 Thermodynamic parameters for the adsorption of Cd²⁺ by Fe₃O₄@PDA

From: Adsorption of Cadmium Ions from an Aqueous Solution on a Highly Stable Dopamine-Modified Magnetic Nano-Adsorbent

T (K)	K_e (mL/g)	∆G° (kJ/mol)	∆H° (kJ/mol)	∆S° [kJ/(K·mol)]
293.15	224.55	− 13.196	25.714	0.13340
298.15	310.56	− 14.224
303.15	361.64	− 14.847
308.15	408.81	− 15.406
313.15	475.81	− 16.051
318.15	539.22	− 16.638

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