
Transmission FTIR derivative spectroscopy for estimation of furosemide in raw material and tablet dosage form
Keywords: FTIR; Derivative spectroscopy; Furosemide; Frusemide; Pharmaceutical analysisAPI, active pharmaceutical ingredient; DMF, N,N-dimethylformamide; DS, derivative spectroscopy; FTIR, Fourier transform infrared; FUR, furosemide or frusemide; HPLC, high perform