Table 4.
Precision of peak areas and peak area ratio in set 1 and 2 (n=6). RSD represents relative standard deviation calculated from 6 replicates of samples.
| Conc.(FDB/CFB) | FDB peak area RSD, % | CFB peak area RSD, % | IS peak area RSD, % | Ratio (FDB/IS) RSD, % | Ratio (CFB/IS) RSD, % | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ng/mL | Set 1 | Set 2 | Set2-Set1 | Set 1 | Set 2 | Set2-Set1 | Set 1 | Set 2 | Set2-Set1 | set1 | set2 | set2-Set1 | set1 | set2 | set2-Set1 |
| Low (6/0.6) | 8.8 | 8.3 | −0.5 | 4.9 | 2.1 | −2.9 | 9.0 | 9.3 | 0.4 | 0.8 | 4.7 | 3.9 | 9.9 | 8.3 | −1.6 |
| Med (60/6) | 3.2 | 2.4 | −0.8 | 5.9 | 3.3 | −2.6 | 2.8 | 2.6 | −0.1 | 3.5 | 3.8 | 0.3 | 4.6 | 3.3 | −1.3 |
| High (700/70) | 3.1 | 4.1 | 1.0 | 5.7 | 5.4 | −0.3 | 3.1 | 5.3 | 2.2 | 2.9 | 5.2 | 2.3 | 4.4 | 4.8 | 0.4 |