Journal of Spectroscopy / 2013 / Article / Fig 2

Research Article

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

Figure 2

The spectra of the ternary mixture after addition of standards ASP, CAF, and PAR in the same mole ratios in the concentration range of 10–60 μmol L−1 for spectra 1–6. The initial solution contains a ternary mixture of ASP (50 μmol L−1), CAF (20 μmol L−1), and PAR (20 μmol L−1).

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