Figure 5From: Preliminary assessment of the performance of oyster shells and chitin materials as adsorbents in the removal of saxitoxin in aqueous solutions Plots of the pseudo-second-order kinetics for the adsorption of STX with a pH of (A) 5.0 (p <0.05) and (B) 7.0 (p <0.05) onto chitin and OSP at 25°C. Back to article page