Studies on Ion-Exchange Properties of Polyaniline Zr(IV) Tungstoiodophosphate Nanocomposite Ion Exchanger

Table 9

Effect of elution time on IEC of polyaniline Zr(IV) tungstoiodophosphate ion exchanger using LiCl, NaCl, and KCl eluents.

Equilibrium time (Hours)	Ion-exchange capacity of ion exchanger (meq·dry g^−1)
	Li^+ion	Na^+ion	K^+ ion
0	1.28	2.12	3.92
0.5	1.92	3.40	5.60
1.0	2.00	4.00	6.30
1.5	2.14	5.40	7.80
2.0	4.12	6.20	9.60
2.5	5.32	7.00	15.20
3.0	5.80	7.40	15.20
3.5	6.32	7.40	15.20
4.0	6.32	7.40	15.20
4.5	6.32	7.40	15.20
5.0	6.32	7.40	15.20