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[Urgent] Methane retention time vs. methylene chloride

http://www.chromforum.org/viewtopic.php?t=3598

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[Urgent] Methane retention time vs. methylene chloride

Posted: Tue Mar 14, 2006 2:00 am
by RavenBlue
Anyone have any info on the retention time of methane and/or ethane compared to methylene chloride? Thanks.

Posted: Tue Mar 14, 2006 9:21 am
by CE Instruments
Column details etc ?
Methane is unretained on most columns, and on most columns I think ethane will elute before methylene chloride but if you post you column details an expert can look it up :)

Posted: Tue Mar 14, 2006 11:49 am
by RavenBlue
HP Plot-Q

Isothermal oven 150 C

Detector/Injector 250 C

Thanks

RT

Posted: Tue Mar 14, 2006 1:00 pm
by chromatographer1
There may be a difference of 2-5 times in retention times.
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