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Vol. 6, Issue 3 (2017)

Simultaneous determination of pseudoephedrine and loratadine in syrups by HPLC using Cation exchange column and experimental design optimization

Author(s):
Imad Osman Abu Reid and Elrasheed Ahmed Gadkariem
Abstract:
A simple and efficient liquid chromatographic method has been developed and validated for the simultaneous determination of pseudoephedrine (PS) and loratadine (LOR) in syrup dosage form. The separation was achieved within 7.0 min, employing a mixture of 53.5% v/v water-methanol containing 30.12 mM/L sodium dihydrogen orthophosphate adjusted to pH 5.22 as isocratic mobile phase, pumped at 1.0 ml/min through a strong cation exchange column (10µm particle size). The analytes were detected at 254 nm. Statistical experimental designs and graphic representations (response surface methodologies, Pareto charts) were used for optimizing the mobile phase composition. The linearity of the calibration (r>0.99, n =15) in the relevant ranges (up to 125% of the expected concentrations of the analytes in the formulation), method accuracy (RSD <2.0%), repeatability (RSD <2.0%) and intermediate precision, were verified. System suitability parameters were also determined. The validated method was successfully employed for the routine analysis of a syrup pharmaceutical preparation.
Pages: 244-247  |  609 Views  11 Downloads
How to cite this article:
Imad Osman Abu Reid, Elrasheed Ahmed Gadkariem. Simultaneous determination of pseudoephedrine and loratadine in syrups by HPLC using Cation exchange column and experimental design optimization. Pharma Innovation 2017;6(3):244-247.
The Pharma Innovation Journal