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. 2022 Dec 13;8(1):e00581-22. doi: 10.1128/msphere.00581-22

TABLE 2.

Mass spectrometry conditions

Parameters Positive ion Negative ion
Nebulizer gas (GS1, PSI) 40 40
Auxiliary gas (GS2, PSI) 40 40
Curtain gas (CUR, PSI) 35 35
Ion source temperature (°C) 550 550
Ion spray voltage (V) 5,500 4,500
Declustering potential (DP, V) 100 −100
Mass scan range (TOF MS scan) 70 to 1,000 70 to 1,000
Collision energy (TOF MS scan, eV) 10 −10
Mass scan range (Product Ion scan) 50 to 1,000 50 to 1,000
Collision energy (Product Ion scan, eV) 30 30
Interface heater temperature (°C) 550 600