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CHF3 column

http://www.chromforum.org/viewtopic.php?t=18187

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CHF3 column

Posted: Wed Nov 09, 2011 2:56 pm
by tigerk2001
Any packed column suggestion for analysis of air in pure CHF3?

thanks for your help

tiger

Re: CHF3 column

Posted: Wed Nov 09, 2011 3:49 pm
by Johnny Rod
Molsieve 5A should do it, 2m long x 2mm ID at 40C (as a starting point)

Re: CHF3 column

Posted: Wed Nov 09, 2011 4:57 pm
by chromatographer1
almost any porous polymer column should be fine.

Rod

Re: CHF3 column

Posted: Wed Nov 09, 2011 9:09 pm
by tigerk2001
For porous polymer, what would be the approximative elution time for CHF3? I suppose after the CO2?

Re: CHF3 column

Posted: Thu Nov 10, 2011 1:17 am
by chromatographer1
I am 1000 miles away from my files, so I don't remember. Perhaps you might search Valco for the Porapak database they have for a retention time for CHF3.

Rod
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