Simultaneous determination of ritodrine and isoxsuprine using coupling technique of synchronous fluorimetry and H-point standard addition method.

Simultaneous determination of two structurally related ss(2) adrenergic receptor agonists namely, Ritodrine HCl (RTH) and Isoxsuprine HCl (ISP) was performed using coupling technique of synchronous fluorimetry and H-point standard addition method. Under optimum conditions, linear determination ranges were 1.48 - 14.80 x 10(-6) mol L(-1) and 1.54 - 15.44 x 10(-6) mol L(-1) for ISP and RTH respectively. RTH and ISP could be determined simultaneously without interference from each other when their concentration ratio varies from 5:1 to 1:5 in the mixed sample. The proposed method was applied to the determination of RTH and ISP in synthetic mixture of pharmaceutical samples, the accuracy and precision of the results were satisfactory.

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Dina T El-Sherbiny, Dalia R El-Wasseef, Mohammed E Abd El-Ghaffar, Saadia M El-Ashry. Simultaneous determination of ritodrine and isoxsuprine using coupling technique of synchronous fluorimetry and H-point standard addition method. Journal of fluorescence. 2010 Jan;20(1):251-60

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PMID: 19813080

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