UW CHEMISTRY NMR
Announcments & Equipment Logs
UPDATE ! DRX499 – LOCK SYSTEM RESTORED
Users should be able to lock on the solvents as usual. Please use the default shim file stdbbi and shim up at least the minimal lower order shims to get a good lineshape.
Posted in Hardware, Spectrometer, Usage | No Comments
ALERT ! – AV301 : SAMPLE STUCK INSIDE THE MAGNET BORE
Until the user’s sample stuck inside the room tempearture bore of the magnet is removed, the instrument cannot be used. Please wait for an update after the clean up to complete, before attempting to use the machine again.
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DRX499 Lock
Due to an issue with the lock on the drx499, experiments cannot be run on the instrument at this time. Reservations are restricted until the issue is resolved.
Posted in Spectrometer | No Comments
UPDATE ! DRX499 – GRADIENT AMPLIFIER FUNCTIONAL
All gradient assisted spectroscopy should be possible now including solvent suppression. Please let us know otherwise.
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ALERT ! DRX499 – GRADIENT AMPLIFIER HARDWARE FAILURE
The DRX499 gradient amplifier is being repaired in our electronics shop. Until the amplifier is back in the console, no gradient assisted experiments are possible, including solvent suppression experiments. Please look for further updates on this issue.
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DRX499 Availability
The drx499 is available for use! Please note that the drx499 now indicates the lefthand magnet when facing the 2-500 MHz magnets. This magnet is equipped with the 5-mm BBI probe. Please note that if you use the macros proton, carbon, phosph, or if you load a parameter set using “rpar”, your experiment should run […]
Posted in Spectrometer | No Comments
AV301 : UPDATE ! – SYSTEM FUNCTIONAL AND NORMAL
All the normal functionalities including atma are restored to their original state. Users are requested to use the atma command for automatic tuning and matching of the probe. The optional atmm command is also available, if you so prefer.
Posted in Uncategorized | 1 Comment
ALERT ! AV301 – SYSTEM DOWN DUE TO HARDWARE FAILURE
A possible hardware error in one of the circuit boards is preventing communication between the console and host computer. Troubleshooting is proceeding to identify the relevant board. Until further notice this system is not available for use. Updates will be posted in due course.
Posted in Hardware, Spectrometer | No Comments
NMR FACILITY UPGRADES – UPDATE
Dear Users : The planned upgrades got delayed by a week since we had to wait for the new hardware to arrive and they are being received this week. We will start the whole exercise on Monday the 5th of May and be completing by Friday, 9th of May, earlier if we are lucky. We […]
Posted in Hardware, Spectrometer | No Comments