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 2

Spectra of 32.5 (30) mg/L PA, 20 mg/L IB, 2.5 (2) mg/L CA, and their corresponding ternary mixture, additivity, and Bidi-Ipalvic (a) or Glotasic (b).

(a)

(b)