Thiol-Functionalized Mesoporous Silica for Effective Trap of Mercury in Rats

Table 2

Mercury adsorption performance parameters of the materials.

Materials	Pore size (nm)	(m^2 g^−1)	(cm^3 g^−1)	Maximum mercury loading (mmol g^−1)	Amount of thiol group (mmol·g^−1)	Hg-S molar ratio
SBA15-SH-0	6.56	689	1.14	0.09 ± 0.01	—	—
SBA15-SH-5	5.4	635	0.98	0.53 ± 0.01	0.59	0.90
SBA15-SH-10	4.3	529	0.65	0.94 ± 0.05	0.95	0.98
SBA15-SH-20	3.5	316	0.25	1.98 ± 0.04	2.25	0.88
SBA15-SH-30	3.0	280	0.17	2.59 ± 0.05	3.01	0.86