Table 6. MS Source Settings.
| parameter | optimized value |
|---|---|
| ion source | turbo spray |
| polarity | positive/negative |
| SC type | scheduled MRM |
| MRM detection window | 30 s |
| target scan time | 0.041 s |
| curtain gas (CUR) | 35 |
| collision gas (CAD) | 7 |
| ion spray voltage (IS) | 5500/–4500 V |
| temperature (TEM) | 400 °C |
| ion source gas 1 (GS1) | 60 |
| ion source gas 2 (GS2) | 70 |