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. 2021 Jul 22;7(7):e07629. doi: 10.1016/j.heliyon.2021.e07629

Table 3.

Average surface area, volume and pore diameter values of films.

Films Surface area (BET) – m2/g Pore volume (cm3/g) Pore diameter (nm)
T1 11.5 0.0018 2.26
T2 70.6 0.0160 1.83
T3 173.1 0.0200 1.84
T4 200.7 0.1080 1.88
T5 253.3 0.2030 1.89

T1: chitosan; T2: activated carbon produced at 600 °C for 1 h + chitosan; T3: activated carbon produced at 600 °C for 2 h + chitosan; T4: activated carbon produced at 750 °C for 1 h + chitosan; T5: activated carbon produced at 750 °C for 2 h + chitosan.