Simultaneous Estimation of Ibuprofen and Phenylephrine Hydrochloride in Bulk and Combined Dosage Form by First Derivative UV Spectrophotometry Method

<table>Overlain D<sup>1</sup> spectrum of Ibuprofen (12–72 ppm) in 0.1 N NaOH.</table>

Journal of Spectroscopy

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Figure 5

Figure 5: Simultaneous Estimation of Ibuprofen and Phenylephrine Hydrochloride in Bulk and Combined Dosage Form by First Derivative UV Spectrophotometry Method 

Figure 5 | Simultaneous Estimation of Ibuprofen and Phenylephrine Hydrochloride in Bulk and Combined Dosage Form by First Derivative UV Spectrophotometry Method 