TABLE 1

Mass spectrometer instrument settings

ParameterSetting
Capillary voltage (kV)2.1
Sampling cone voltage (eV)25
Extraction cone voltage (eV)5.0
Source temperature (°C)90
Desolvation temperature (°C)270
Cone gas flow (l/h)50
Desolvation gas flow (l/h)550
Collision energy (eV)3
Detector voltage (eV)1750