Pair se23-24 | concentration, ng/ul | measured, ng/ul | average recovery, % | CV, % |
| 0.02 | 0.019951833 | 99.8 | 0.999474 |
| 0.005 | 0.004585367 | 91.7 | 1.493163 |
| 0.00125 | 0.000792106 | 63.4 | 2.492201 |