Using quadrupole mass spectrometer,calibration gas PFTBA was turned on in constant flow to get the signal intensity,and off to get the noise value.Different scan time and dwell time was used separately for full scan m...Using quadrupole mass spectrometer,calibration gas PFTBA was turned on in constant flow to get the signal intensity,and off to get the noise value.Different scan time and dwell time was used separately for full scan mode and SIM to find out the effect of scan rate on signal intensity and noise.展开更多
文摘Using quadrupole mass spectrometer,calibration gas PFTBA was turned on in constant flow to get the signal intensity,and off to get the noise value.Different scan time and dwell time was used separately for full scan mode and SIM to find out the effect of scan rate on signal intensity and noise.
