Fig. 3From: Simultaneous chromatographic analysis of Sofosbuvir/Ledipasvir in their combined dosage form: an application to green analytical chemistry3D densitogram of SBR (Rf = 0.38) in the concentration range of 0.80–25.6 μg/band and LPV (Rf = 0.61) in the concentration range of 0.4–12.8 μg/band at 265 nm using toluene: ethanol: ammonia (4:1:0.2, v/v/v) as a developing systemBack to article page