Table 4.

q values against different pH of the metal ion solutions (mg/g polymer).

pH	Mn2+	Ni2+	Cu2+	Zn2+	Pb2+	Cd2+	Cr3+	Co3+	Fe3+
1	1.4005	0.0823	0.6057	0.3518	2.8651	0.6805	1.1067	0.6669	2.5167
3	2.9035	2.9029	2.9421	0.9627	2.9676	0.9268	2.8612	2.9476	2.9225
5	2.8643	2.9451	2.9342	0.9746	2.9406	1.0188	2.6955	2.9482	2.8647
7	2.8683	2.9454	2.9296	1.4291	2.9473	0.9390	2.9220	2.9267	2.9693
9	2.8236	2.4858	2.9246	1.5315	2.7092	0.9892	2.6105	2.8848	2.9339