Journal of Spectroscopy / 2013 / Article / Fig 1

Research Article

The Spectrophotometric Multicomponent Analysis of a Ternary Mixture of Paracetamol, Aspirin, and Caffeine by the Double Divisor-Ratio Spectra Derivative Method

Figure 1

Absorption spectra of aspirin, 50 μmol L−1 (a); caffeine, 20 μmol L−1 (b), paracetamol, 20 μmol L−1 (c) at B-R buffer pH 11.0.
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