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 7

Dissolution profiles of Bidi-Ipalvic capsules (a) and Glotasic tablets (b) determined by using wavelet transform of UV ratio spectra (n = 6, RSD < 5%).

(a)

(b)