- Peak at 90 m/z is missing when calibrating with sodium formate.
- Xevo G2-XS
The collision cell RF was not reduced to 150 with a gain of 10.
FIX or WORKAROUND
- Open the MS Tune page.
- Browse to the RF Settings option. Depending on the version of MassLynx, this may be under the System or Setup menu. See example screenshots:
- Set the Collision volts to 150 and the Gain to 10 (shown here are the default settings):
4. Click Update, and then close the window.
5. Save the Tune page.