AMMRL: cryoprobes: are they ever removed?

From: Jeff de Ropp <jsderopp_at_ucdavis.edu>
Date: Wed, 29 Nov 2006 14:30:18 -0800

Dear AMMRL,
this question may have come up before but I didn't find anything in the
recent email archives.
Here is the situation:
We have one system with a cryoprobe, and our experience has been that once
we got the cryoprobe, we put it in and never take it out. This is mostly
due to the complexity of the probe removal process and our fear of damaging
the cryoprobe. But since the cryoprobe is H{C,N} that has meant that
inorganic chemists and others who want to run Sn-119 or whatever have been
forced to other instruments.

So the question is:
Do you folks with cryoprobes change them out (regularly, occasionally,
never?) to use another probe, such as a room temperature broadband probe?
Or do you always leave the cryoprobe in?
(I will post a summary if there is sufficient interest).
Thanks,
Jeff


Jeffrey S. de Ropp, Ph.D.
NMR Facility
UC Davis
One Shields Avenue
Davis CA 95616
jsderopp_at_ucdavis.edu
530-752-7677 office
530-752-6480 MS1-D Lab
530-752-5682 600 MHz Lab
530-754-8238 Chem NMR Lab
530-752-3516 Fax
NMR Facility Web site URL is:
http://www.nmr.ucdavis.edu/
Received on Wed Nov 29 2006 - 16:28:08 MST

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