Table 1 The condition of mass spectrometry (MS) analysis
Parameter | ESI positive | ESI negative |
|---|---|---|
Spray Voltage (V) | 3800 | 3000 |
Capillary Temperature (°C) | 320 | 320 |
Aux gas heater temperature (℃) | 350 | 350 |
Sheath Gas Flow Rate (Arb) | 35 | 35 |
Aux gas flow rate (Arb) | 8 | 8 |
S-lens RF level | 50 | 50 |
Mass range (m/z) | 70–1000 | 70–1000 |
Full ms resolution | 70,000 | 70,000 |
MS/MS resolution | 17,500 | 17,500 |
NCE/stepped NCE | 20, 40 | 20, 40 |