Table 1.

Surface area, average pore volume and pore radius of PANI, Fe₃O₄ and PANI/Fe₃O₄ composites.

Status	Materials	Surface Area (m2/g)	BJH Average Pore Radius (A0)	BJH Pore Volume (cc/g)
Before adsorption	Fe3O4	71.314	15.749	0.053
	PANI	95.423	16.565	0.049
	PANI/Fe3O4	98.184	15.501	0.069
After adsorption	Fe3O4-AB40	53.707	13.334	0.033
	PANI-AB40	43.938	11.743	0.043
	PANI/Fe3O4-AB40	65.269	12.804	0.036