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Split peaks in Autotune on 5975 MSD

Question asked by behringerd on Oct 11, 2017
Latest reply on Oct 12, 2017 by james_jenkins

The autotune on my 5975 GC-MS has split peaks for m/z 69, 219, and 502.  The air and water background are <10%.  The source was recently cleaned. This instrument has been running tobacco extracts for about 4 years so it has been exposed to a lot of dirty matrix.  What could the problem be?