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column bleed in GC

Posted: Sat Jan 28, 2017 12:44 pm
by chemgc779
Hi, could someone please explain what is meant by 'column bleed' in GC.

Would it be correct to say that there are normal (normal background signal by the stationary phase) and abnormal (a rise in baseline)?

thank you.

Re: column bleed in GC

Posted: Sun Jan 29, 2017 8:15 pm
by GOM
Hi

See my reply on your same post under the Gas Chromatography section :-)

Basically, you are correct

Try looking at these articles

http://www.sge.com/support/training/col ... lumn-bleed

http://www.sigmaaldrich.com/technical-d ... s-low.html


Hope that helps

Please don't hesitate to ask if you have any more queries - we are happy to help

Particularly happy to help a student :-)

Regards

Ralph