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The antipsychotic paliperidone was investigated with a focus on stability, degradation impurities and kinetics reaction profile. Osmotic tablets 3 mg (OROS®) were subjected to extraction in an ultrasonic bath and the resulting acidic solution was stressed by forced conditions. Degraded samples were monitored by HPLC–DAD in different storage times for acidic and alkaline hydrolysis, oxidation, heat...
A ultra‐fast liquid chromatography method applied to quantitation of doripenem in powder for injection was validated. Validation parameters were assayed and a rapid analysis was established by a reversed‐phase system comprising a C18 column endcapped (50 × 4.0 mm, 2.0 μm), mobile phase consisting of phosphoric acid 0.01% (pH 3.8) and acetonitrile (98:02, v/v) and a flow rate of 0.4 mL min−1. Drug...
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