| Amount of sample
taken
(ng/band) |
Amount of
standard drug
added (ng/band) |
Standard
addition
(ng/band) |
Amount of drug
recovered (ng/band) |
% recovery ± % RSD (n=3) |
| MET |
REPA |
MET |
REPA |
REPA |
MET |
REPA |
MET |
REPA |
| 500 |
2 |
0 |
0 |
100 |
744.27 |
101.12 |
101.76 ± 1.56 |
99.14 ± 0.91 |
| 500 |
2 |
250 |
1 |
100 |
744.27 |
101.3 |
99.23 ± 0.98 |
98.35 ± 1.17 |
| 500 |
2 |
500 |
2 |
100 |
1005.21 |
101.76 |
100.49 ± 1.29 |
97.85 ± 0.97 |
| 500 |
2 |
1000 |
3 |
100 |
1475.4 |
105.81 |
98.35 ± 1.37 |
100.78 ± 0.67 |
