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

Figure 4

(a) Pseudo-second-order plot for adsorption of DXM on AC in SGF and (b) pseudo-first-order plot for adsorption of DXM on AC in SGF.

(a)

(b)