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Longevity of single cap column (GC)

Question asked by tsutch on Jun 29, 2020
Latest reply on Sep 13, 2020 by mhardacker

I use a single cap (Agilent 122-133 UI) column for HS-GC-MS of biological specimens. The column only lasts about 4 months when running 3 batches a week (70 samples per batch). Is there something I can do to enhance the longevity of the column (temperature adjustments, additional maintenance etc)? I feel like this column should last us a bit longer than 4 months. This lifetime includes cutting the column. I have also tried using a guard column to no avail. 

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