Research Article

Quantification of Rifaximin in Tablets by Spectrophotometric Method Ecofriendly in Ultraviolet Region

Figure 5

Absorption spectra obtained by absorption spectrophotometric in the ultraviolet region for sample solutions of rifaximin subjected to the following conditions: (a) acid, (b) basic, (c) oxidative, (d) neutral, and (e) photolytic at a concentration of 22 μg mL−1.
(a)
(b)
(c)
(d)
(e)