Thermodynamic parameters for Pb²⁺ and p-nitrophenol adsorption onto BC-500.

	ΔH (kJ mol−1)	ΔS (kJ mol−1 K−1)		ΔG (kJ mol−1)
				293 K	313 K	333 K
Pb2+	−104.499	−0.201	K C	184 568 580	3 415 381.2	1 126 960.8
				−46.365	−39.148	−38.580
p-Nitrophenol	−132.467	−0.303	K C	123 915 710.3	362 868.435	199 963.6695
				−463.657	−33.313	−33.792