Jess,
For more lift, raise the flow in the VT panel. Normally set about 500, so
raise to 800 or 1000. That will get the tricky sample out. Then set flow
back to original value. Again, you shouldn't need to do this with a standard
shuttle. But definitely have done this with ceramic spinners.
Charlie
On Jul 26, 2023, at 9:11 PM, Roberts, Jessica <jroberts_at_ohio.edu> wrote:
Hi everyone,
Thank you all for the detailed responses - I appreciate the guidance as I work
through this!
A brief update - a student was utilizing the instrument tonight and, while
the sample went down into the magnet (after a few up and down cycles), it appears
TopSpin does not realize there is a sample within the magnet. Troubleshooting
thusfar has involved disabling the autosampler and trying to utilize the lift
option to manually eject. Unfortunately, it appears the air pressure is not
ample enough to eject the sample/spinner.
Does anyone have any tricks for this issue? I will be working on this an hoping
to resolve this as soon as possible. (and then get back to addressing the other
potential troubleshoots for the previous email's issues).
Thanks again everyone!
Jessica
Dr. Jessica M. Roberts, Ph.D.
Assistant Professor of Instruction
NMR Facility Manager
Department of Chemistry and Biochemistry
Ohio University
245 Chemistry
Athens, OH 45701
740.593.0038
jroberts_at_ohio.edu
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Received on Wed Jul 26 2023 - 20:12:43 MST