| S.No |
Actual concentration (ng/mL) |
Amount spiked (ng) |
Measured concentration (ng/mL) |
% Recovery (mean ± SD) |
| 1 |
200 |
150 |
147.89 |
98.59333 |
| 2 |
200 |
150 |
145.64 |
97.09333 |
| 3 |
200 |
150 |
146.81 |
97.87333 |
| 4 |
200 |
150 |
148.13 |
98.75333 |
| 5 |
200 |
150 |
145.83 |
97.22 |
| 6 |
200 |
150 |
143.87 |
95.91333 |
| Mean |
|
|
146.3617 |
97.57444 |
| SD |
|
|
1.592211 |
1.061474 |
| CV (%) |
|
|
1.087861 |
0.940476 |
|
