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Table 2 Mass spectrometer source-dependent parameters

From: Ultra high performance liquid chromatography tandem mass spectrometry for rapid analysis of trace organic contaminants in water

Parameter ESI Positive ESI Negative
Gas Temperature (°C) 275 225
Gas Flowrate (L/min) 11 10
Nebulizer (psi) 45 45
Sheath Gas Temperature (°C) 375 350
Sheath Gas Flowrate (L/min) 11 11
Capillary (V) 4000 3600
Nozzle Voltage (V) 0 1500
Delta EMV (V) 400 400