Research Article
Oxidative Transformation of Controlled Substances by Manganese Dioxide
Figure 3
Effect of MnO2 loading on the oxidation of controlled substances by MnO2: (a) morphine and (b) codeine (morphine and codeine = 100 μg/L, pH = 7, and ionic strength = 10 mM) (the second-order kinetic model developed by Zhang et al. [11] was fitted to describe the codeine oxidation).
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