Abstract
An isocratic liquid chromatographic method with UV detection at 230 nm is described for simultaneous determination of ceftriaxone sodium and salbutamol in bulk. Chromatographic separation of the two drugs was achieved on an Inertsil ODS© C18 (250 × 4.6 mm, 5 μ) using a mobile phase consisting of 50 mM potassium dihydrogen orthophosphate and methanol (77:23 %V/V) adjusted to pH 7.0 with triethylamine at a fl ow rate of 1.0mL min-1. The optimum separation was achieved in less than 10 minutes. The developed liquid chromatographic method offers symmetric peak shape, good resolution and reasonable retention time for both drugs. The method was validated as per ICH guidelines.
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