alexa Determination of Clobazam, Clorazepate, Flurazepam and Flunitrazepam in pharmaceutical preparations.
Pharmaceutical Sciences

Pharmaceutical Sciences

Pharmaceutica Analytica Acta

Author(s): Berzas JJ, Castaeda G, Pinilla MJ

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Abstract The separation of four benzodiazepines (Flurazepam, Flunitrazepam, Clobazam and Clorazepate) in pharmaceutical products by micellar electrokinetic chromatography (MEKC) is described. It was carried out at 25 degrees C and 25 kV by using a 57 cm (50 cm to the detector)x75 mum i.d. fused silica capillary and a 15 mM borate buffer (pH 9.2), 35 mM sodium dodecylsulfate (SDS) and 35 mM sodium deoxycholate water solution. Under these conditions, the analysis was performed in 8 min with acceptable limits of quantification (between 3 and 5 mg l(-1)). The method has been applied for quantifying these benzodiazepines in serum and different commercial formulations with recoveries near 100\%.
This article was published in Talanta and referenced in Pharmaceutica Analytica Acta

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