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The kinetics of photodegradation of norfloxacin (NF) on UV irradiation in aqueous solution (pH 2–12) and in organic solvents has been studied using a validated HPLC method. The apparent first-order rate constants (k obs ) for the reaction in aqueous solution range from 0.28 (pH 2) to 5.19×10 −3 min −1 (pH 10) and in organic solvents from 0.34 (1-butanol) to 0.80×10 −3 ...
The kinetics of photodegradation of moxifloxacin (MF) in aqueous solution (pH 2.0–12.0), and organic solvents has been studied. MF photodegradation is a specific acid-base catalyzed reaction and follows first-order kinetics. The apparent first-order rate constants (kobs) for the photodegradation of MF range from 0.69 × 10−4 (pH 7.5) to 19.50 × 10−4 min−1 (pH 12.0), and in organic solvents...
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