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- Posts: 3
- Joined: Thu Aug 17, 2017 5:05 pm
I operate a Bruker 300 MS attached to a Varian 450 GC. The MS has been giving strange responses.
Here is an example of what the GC trace looks like: http://i.imgur.com/jNsQOgx.png
And here is a pic that is zoomed in: http://i.imgur.com/oPZZxnE.png
The noise seems to be periodic.
The MS was working fine, but then we had to change the filament and the turbo pump controller. The weird signal started after that.
We have tried cleaning the new filament connector as well as the ion volume. I don't believe the issue is with the GC because I see the same noisy response when running the calibration gas.
Any ideas or insight as to what is causing this issue would be very helpful.
Thank you!
Andrew