Figure 3

(a) N2 adsorption–desorption isotherms and (c) the pore size distribution curves of PC-750, PGC-750, and HPGC-750; (b) N2 adsorption–desorption isotherms and (d) the pore size distribution curves of HPGC-T.
(a) N2 adsorption–desorption isotherms and (c) the pore size distribution curves of PC-750, PGC-750, and HPGC-750; (b) N2 adsorption–desorption isotherms and (d) the pore size distribution curves of HPGC-T.