Thermodynamic parameters for DR-81 sorption onto Zn(ii)-MPIH.

Temp. (K)	1000/T	K e	ln Ke	ΔG0 (kJ mol−1)	ΔH0 (kJ mol−1)	ΔS0 (J mol−1 K−1)
298	3.36	1.83	0.60	−11.44	−33.38	−101.32
313	3.19	1.11	0.10	−8.15
328	3.05	0.74	−0.30	−7.72
343	2.92	0.39	−1.02	−6.89
358	2.79	0.14	−1.97	−5.73