C-8 Calibration Reference Information
HeptacosacpfbDRENeg.drf
Use the HeptacosacpfbDRENeg.drf file for DRE calculations in CI-.
Typical lock mass values
HeptacosacpfbDRENeg.drf
Calculated
m/z value
Intensity
Calculated
m/z value
Intensity
Calculated
m/z value
Intensity
201.9609 100.00 513.9711 38.07 632.9632 0.64
451.9743 36.31 594.9663 1.64
Typical lock mass values
Typical lock mass Mode Calculated value
Heptacosa EI+ 218.9856 m/z
Metri EI+ 284.9949
FC70 EI+ 268.9824
Metri CI+ 285.0027
Chloropentafluorobenzene FI+ or FD+ 201.9609
Chloropentafluorobenzene CI- 201.9609
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