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Table 2 Assay results for the determination of NMV, and RIT in synthetic mixtures

From: Sustainable and technically smart spectrophotometric determination of PAXLOVID: a comprehensive ecological and analytical performance rating

% Recoverya ± RSD

Analyte

NMV

RIT

Method

1D

2D

DWZ

1D

2D

DWZ

Mix 1b

99.84 ± 0.38

100.09 ± 0.42

100.22 ± 0.59

99.78 ± 1.39

100.00 ± 0.83

99.76 ± 1.19

Mix 2c

100.00 ± 1.18

98.67 ± 0.58

99.73 ± 0.23

99.20 ± 2.00

99.83 ± 0.58

100.19 ± 0.66

Mix 3d

99.51 ± 1.13

100.28 ± 1.27

99.44 ± 0.51

99.56 ± 1.11

99.44 ± 1.00

100.58 ± 0.46

Average

99.78 ± 0.25

99.68 ± 0.88

99.80 ± 0.40

99.51 ± 0.29

99.76 ± 0.29

100.18 ± 0.41

  1. aThe average of the three determinations
  2. bMix 1 containing 225 NMV and 75 RIT μg/mL
  3. cMix 2 containing 100 NMV and 100 RIT μg/mL
  4. dMix 3 containing 15 NMV and 45 RIT μg/mL