Silicon Dioxide Functionalized with Oxygen–Containing Groups for Enhanced BCl₃ Adsorption

Table 1

The pore size of different adsorbents impregnated by solution of different concentration.

Adsorbents	Concentration of impregnating solution W%	Surface area (m^2·g^-1)	Pore volume (cm^3·g^-1)	Pore size (A)
SD	\	307	0.9994	130.2
SD + MA	1.0	234	0.9611	164.0
SD + MA	3.0	287	0.9209	128.2
SD + CA	1.0	287	0.9599	133.7
SD + CA	3.0	266	0.8376	126.1