In Vitro Study of Adsorption Kinetics of Dextromethorphan Syrup onto Activated Charcoal in Simulated Gastric and Intestinal Fluids

Table 4

Calculation of adsorption energy ( = ).

	(pH 1.2)		(pH 6.8)	Inference
	Kcal/mole		Kcal/mole
0.01498	−2.5286	0.03185	−2.075	Positive