Spectral Related - PerkinElmer Clarus SQ 8 MS Series Hardware Manual

Spectral Related

Problem Problem
Noisy spectra.
Spectrum distortion.
Incorrect Isotope ratios.
Missing Isotopes in
spectrum.
145
Probable Probable Cause Cause
Dirty source.
Peak detection threshold set too low.
Multiplier voltage set too high.
Scanning too fast or slow.
Poor calibration.
Incorrect tune.
Defective filament.
Air leak.
Bad calibration.
Poor tuning.
Dirty source.
Sample too weak.
Peak detection thresholds set too
high.
Multiplier voltage set too low.
Troubleshooting
Solution Solution
Remove and clean the source.
Raise the thresholds.
Lower the multiplier voltage.
Reset the scan rate.
Recalibrate.
Retune.
Replace filament.
Find and fix.
Recalibrate.
Retune.
Clean source.
Use a higher sample
concentration.
Lower the thresholds.
Raise the multiplier voltage.