RP-HPLC and UV Spectrophotometric Analysis of Paracetamol, Ibuprofen, and Caffeine in Solid Pharmaceutical Dosage Forms by Derivative, Fourier, and Wavelet Transforms: A Comparison Study

Figure 6

Typical RP-HPLC chromatogram of a ternary mixture containing PA 32.5 mg/L, IB 20 mg/L, and CA 2 mg/L.