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CO, CH4, CO2 on FID, Hayesep Q

http://www.chromforum.org/viewtopic.php?t=9657

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CO, CH4, CO2 on FID, Hayesep Q

Posted: Wed Dec 03, 2008 2:35 pm
by smcg23
I am analysing mixtures of hydrocarbons/oxides etc. I am using a HP5890 GC with a hayesep Q column and methanator to see CO, CH4 and CO2. After the last peak (CO2), at approx 5 mins, a huge big peak appears which is off scale - any ideas as to what this could be are appreciated.

Posted: Wed Dec 03, 2008 3:32 pm
by larkl
I'm not that familiar with the methanator, but wouldn't the later peak(s) be whatever hydrocarbons are in the sample?
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