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Gas injection

Posted: Tue Sep 10, 2013 1:24 pm
by push
I am analyzing a CH4 - H2 mixture using a loop. When I heat the loop, I get larger area compare to the analysis at lower loop temperature. Can anyone expain this phenomenon?

Re: Gas injection

Posted: Tue Sep 10, 2013 4:20 pm
by chromatographer1
Are you using an uncoated metal loop or one with a rough surface area?

Is that enough of a hint?

best wishes,

Rod

Re: Gas injection

Posted: Sat Sep 14, 2013 7:41 am
by push
Thank you Rod.
Wonderful hint.