Table 4 Recovery data at three concentration levels of TC-HCl
S.No. | Lable claim (ng/band) | Std added (ng/band) | (%) Std added | Total amnt (ng/band) | Recovered (ng/band) | Differ (ng/band) | Recover (%) |
|---|---|---|---|---|---|---|---|
1 | 200 | 0 | 0 | 200 | 167 | – | – |
2 | 200 | 160 | 80 | 360 | 337 | 170 | 106.3 |
3 | 200 | 200 | 100 | 400 | 369 | 202 | 101.0 |
4 | 200 | 240 | 120 | 440 | 411 | 242 | 100.8 |
| Â | Â | Â | Average recovery | 102.7 | |||