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Table 2 Application of the proposed methods for the determnation of FPV and RDV in their laboratory mixed solutions

From: Quantitative analysis of two COVID-19 antiviral agents, favipiravir and remdesivir, in spiked human plasma using spectrophotometric methods; greenness evaluation

Added (µg/mL)

%Recovery

RD

1DD

FPV

RDV

FPV

RDV

FPV

RDV

5

5

100.76

99.34

101.18

99.65

10

5

99.89

99.59

99.54

99.01

5

10

99.60

100.82

100.29

99.62

10

10

100.40

99.67

100.77

100.56

20

10

100.22

100.94

99.83

100.89

Mean ± RSD

100.17 ± 0.450

100.07 ± 0.749

100.32 ± 0.665

99.95 ± 0.762