International Journal of Analytical Chemistry / 2019 / Article / Tab 4

Research Article

Optimization of Resolving Power, Fragmentation, and Mass Calibration in an Orbitrap Spectrometer for Analysis of 24 Pesticide Metabolites in Urine

Table 4

Number of ions (diagnostic and fragment ions) into the six mass accuracy ranges considered at 10,000, 25,000, and 50,000 FWHM.

Resolving Power∆m (ppm)
≤ 11 – 22 – 33 – 44 – 5> 5

10,00021219902
25,00012219200
50,00003011300

Acquisition conditions: ESI+/ESI- in separated injections, HCD fragmentation 20 eV, and external mass calibration.

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