Table 6 Results obtained in accuracy assessment by recovery experiments
Product analyzed | PCA method | DDQ method | ||||||
|---|---|---|---|---|---|---|---|---|
MEB in tablet, μg mL-1 | Pure MEB added, μg mL-1 | Total found, μg mL-1 | Pure MEB recovered (percent ± SDa) | MEB in tablet, μg mL-1 | Pure MEB added, μg mL-1 | Total found, μg mL-1 | Pure MEB recovered (percent ± SDa) | |
X | 100.20 | 50.00 | 153.65 | 102.3 ± 1.09 | 19.99 | 10.00 | 30.80 | 102.7 ± 1.32 |
100.20 | 100.00 | 202.00 | 100.9 ± 1.79 | 19.99 | 20.00 | 39.49 | 98.76 ± 0.45 | |
100.20 | 150.00 | 260.71 | 104.2 ± 1.22 | 19.99 | 30.00 | 48.73 | 97.48 ± 1.35 | |
Y | 99.51 | 50.00 | 152.35 | 101.9 ± 1.34 | 20.06 | 10.00 | 29.06 | 96.67 ± 2.10 |
99.51 | 100.00 | 194.48 | 97.48 ± 1.64 | 20.06 | 20.00 | 40.94 | 102.2 ± 1.25 | |
99.51 | 150.00 | 245.44 | 98.37 ± 1.21 | 20.06 | 30.00 | 49.22 | 98.33 ± 1.23 | |