Aspartic Acid- and Glycine-Functionalized Mesoporous Silica as an Effective Adsorbent to Remove Methylene Blue from Contaminated Water

Table 1

Comparison of the surface area, pore volume, and pore size of CTAB free MSNs, Gly-MSNs, and Asp-MSNs.

	Surface area (m^2/g)	Pore volume (cm^3/g)	Pore size (nm)
CTAB free MSNs	1019	1.37	5.5
Gly-MSNs	739	0.92	4.9
Asp-MSNs	684	0.87	4.7