Table 1.

Parameters of Pb(II) ions transport through PIM with calixresorcin[4]arene carriers.

Parameter\ Carrier	R7	R7PS4	R7PO4	R7PS8	R7CEt8
Em [%]	5	32	21	14	23
REm [%]	4	30	20	5	7
Danesi model
t [h]	15	10	10	6	5
P1 [10−7 m/s]	1.70	14.89	8.33	6.22	9.33
J0 [10−7 mol/m2s]	0.85	7.44	4.17	3.11	4.67
R2 [%]	99.57	99.29	99.37	99.52	99.39
Szczepanski model for t = 36 h
P2–36 [10−7 m/s]	2.71	12.13	9.52	3.64	6.62
J0 [10−7 mol/m2s]	1.36	6.06	4.76	1.82	3.31
R2 [%]	99.62	96.29	97.86	95.06	96.96
Szczepanski model for t = 10 h
P2–10 [10−7 m/s]	2.32	18.55	9.36	6.38	8.50
J0 [10−7 mol/m2s]	1.16	9.28	4.68	3.19	4.25
R2 [%]	99.02	99.84	99.64	97.29	97.90