Table 3. Adsorption properties of activated carbon derived from the shoot waste of fast-growing teak (FGT)

Thermal treatment (°C)	Heating period (min)	ACB (%)	ACM (mg/g)	ACI (mg/g)
750	30	8.43^bcd	69.66^a	1,102.57^c
	60	10.29^e	74.26^a	1,100.06^c
	90	8.58^cd	102.94^bc	885.77^a
750	30	8.98^d	103.54^bcd	888.82^a
	60	7.89^abc	101.53^b	894.65^a
	90	9.11^d	102.85^bc	862.68^a
750	30	7.53^a	103.12^bc	878.86^a
	60	7.60^ab	110.96^cd	917.46^a
	90	8.45^bcd	111.77^d	1,000.28^b
Average		8.54	97.85	947.78
SNI 06-3730-1995		≥ 25	≥ 120	≥ 750

Groups in a homogenous subset.
ACB: adsorption capacity of benzene, ACM: adsorption capacity of methylene blue, ACI: adsorption capacity of iodine.