Progesterone
| Analyt: | Progesterone |
| Matrix: | Serum |
| Measuring Method: | GC-ID/MS |
| Standard: | Progesterone NMIJ CRM 6003-a |
| Internal Standard: | ¹³C₂-Progesterone |
| Sample Processing: | Samples are spiked gravimetrically with internal standard and equilibrated, then extracted into n-Hexane, followed by centrifugation and evaporation of the supernatant to dryness. Derivatisation is with HFBA in cyclohexane. |
| Measurement: | Measurement at m/z 510 and m/z 512 |