Table 3.

Heavy metals extracted from adsorbent materials derived from BL_PYCHAR.

Adsorbent Materials	Pb mg/kg	Cu mg/kg	Fe mg/kg	Ni mg/kg	Mn mg/kg	Zn mg/kg	Ca mg/kg	Mg mg/kg
1a	<6.00	1139.21	2145.26	16.55	36.21	374.89	424.57	383.39
1b	<6.01	67.26	2089.27	49.56	32.13	81.52	159.73	258.83
2a	<6.02	929.40	138.98	<3.00	<4.00	27.96	66.57	27.38
2b	<6.03	69.46	75.37	15.91	<4.01	7.22	55.73	8.57
3a	<6.04	741.33	788.78	<3.00	<4.02	51.39	68.66	51.32
3b	<6.05	41.67	647.03	16.29	<4.03	18.08	68.99	50.24
4a	<6.06	1101.89	985.00	<3.00	4.09	82.72	62.86	67.19