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Flow extraction spectrophotometric method for the determination of diclofenac sodium in pharmaceutical preparations
T Pérez-Ruiz1, C Martínez-Lozano, A Sanz
1Department of Analytical Chemistry, Faculty of Chemistry, University of Murcia, Spain.
Journal of Pharmaceutical and Biomedical Analysis
|December 31, 1997
Abstract:
The spectrophotometric determination of trace amounts of diclofenac was carried out by liquid-liquid extraction using acridine yellow with a flow system. The determination of diclofenac sodium in the range of 3-80 micrograms ml-1 was possible with a sampling frequency of 40 samples h-1. The method was satisfactorily applied to the determination of diclofenac in pharmaceutical preparations.