At higher pressure ratios, it can be observed that there is an increasing in the amount of N2 adsorbed, which is related to the presence of mesopores in the material, evidenced by the presence of hysteresis.
At higher pressure ratios, it canbe observed that there is an increasing in the amount of N2adsorbed, which is related to the presence of mesopores in thematerial, evidenced by the presence of hysteresis.