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Unsteady baseline GCFID with TRPH

http://www.chromforum.org/viewtopic.php?t=21863

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Unsteady baseline GCFID with TRPH

Posted: Tue Feb 05, 2013 3:29 am
by seamoro
What are the causes of unsteady/drifing baseline with GCFID. We are having some problems at the moment with our total recoverable petroleum hydrocarbons

Re: Unsteady baseline GCFID with TRPH

Posted: Tue Feb 05, 2013 3:59 am
by cleh
What GC, and column. What are your inlet, detector, and oven temps? What are your carrier, air, H2, and make-up flows? Did this just start happening or did you make any changes or do any maintenance and then see the problem?
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