Mathematically Processed UV Spectroscopic Method for Quantification of Chlorthalidone and Azelnidipine in Bulk and Formulation: Evaluation of Greenness and Whiteness

Figure 3

(a) A comparison of ratio spectra generated from pure CTL and mixture of CTL + AZE. (b) A comparison of ratio spectra generated from pure AZE and mixture of CTL + AZE (b). (c) Ratio spectra of CTL 1–15 μg/mL. (d) Ratio spectra of AZE 1–15 μg/mL.

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(b)

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