From: Eco-friendly analytical methods for the determination of compounds with disparate spectral overlapping: application to antiviral formulation of sofosbuvir and velpatasvir
Compound
Conc. range μg/mL
Ratio
Ratio result
VP
4
D1 273/D1 299
0.585
8
0.575
10
0.596
12
0.599
16
20
0.584
Mean ± RSD%
0.589 ± 1.68
D1 273/D1 355
0.524
0.511
0.505
0.529
0.509
0.507
0.514 ± 1.88