Preparation and Adsorption Performance on Congo Red of Sodium Alginate-Lanthanum Hydrogel Spheres

Table 1

Specific surface area parameters of SA/La1 hydrogel spheres.

Sample	SA/La1 hydrogel spheres
Specific surface area (m^2·g^−1)	0.321
Total pore volume (mm^3·g^−1)	0.0620
Average pore size (nm)	0.772