TABLE 5.

Thermodynamic parameters for the adsorption of MB and MV onto the PFPCS at pH = 8. The initial dye concentration is 1,500 mg L⁻¹ and the contact time is 60 min.

Dye	∆H0 (KJ mol−1)	∆S0 (J mol−1 K−1)	∆G0 (kJ mol−1)
			298 K	308 K	318 K
MB	2.42	13.44	−1.57	−1.71	−1.84
MV	3.23	32.03	−6.30	−6.62	−6.94