Table 4: Pore diameter, pore volume, BET surface area, and adsorption capacity of SH-mSi@Fe3O4.

Pore volume 
(cm3/g)
Pore diameter 
(nm)
Surface area 
BET (m2/g)
Adsorption capacity (mg/g) 
(Langmuir isotherm equation)
Pb Hg

0.292.5321 91.5 260