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Table 2 Sear method surface area analysis

From: Adsorptive removal of malachite green dye from aqueous solution onto activated carbon of Catha edulis stem as a low cost bio-adsorbent

Adsorbent Volume of sodium hydroxide consumption (mL) Specific surface area (m2/g)
Activated carbon from Catha edulis 55 mL 1735 m2/g