Sequential Spectrophotometric Method for the Simultaneous Determination of Amlodipine, Valsartan, and Hydrochlorothiazide in Coformulated Tablets

<table>Ratio spectra of laboratory prepared mixtures of AML (<i>Y</i>) and VAL + HCT (<i>X</i>) using normalized AML (<i>Y</i>′) as a divisor and methanol as a blank after subtraction of the constant.</table>

International Journal of Spectroscopy

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Figure 4

Figure 4: Sequential Spectrophotometric Method for the Simultaneous Determination of Amlodipine, Valsartan, and Hydrochlorothiazide in Coformulated Tablets 

Figure 4 | Sequential Spectrophotometric Method for the Simultaneous Determination of Amlodipine, Valsartan, and Hydrochlorothiazide in Coformulated Tablets 