. 2020 Oct 1;13(19):4390. doi: 10.3390/ma13194390

Table 2.

The sorption rate values on the superabsorbent polymer (SAP) against different adsorption times of the metal ions (mg/g polymer).

Time (min)	Mn²⁺	Ni²⁺	Cu²⁺	Zn²⁺	Pb²⁺	Cd²⁺	Cr³⁺	Co³⁺	Fe³⁺
15	0.3598	0.3664	0.3684	0.1109	0.3674	0.1587	0.3592	0.3673	0.3668
30	0.4243	0.3663	0.4918	0.2593	0.4922	0.2385	0.4892	0.4932	0.4857
45	0.6673	0.7367	0.7395	0.3877	0.7423	0.3556	0.6990	0.7365	0.6945
60	0.8340	1.4297	1.4705	0.7870	1.4635	0.7692	1.3094	1.4645	1.4621
120	1.4545	1.4602	1.4772	0.7792	1.4737	0.7938	1.4629	1.4647	1.4539
240	1.4516	1.4700	1.4720	0.8156	1.4882	0.8063	1.4415	1.4817	1.4598
480	1.4614	1.4641	1.4730	0.8063	1.4807	0.7818	1.4472	1.4746	1.4640