UW CHEMISTRY NMR
Announcments & Equipment Logs
PLEASE READ ! NMR FACILITY SHUT DOWN ON THURSDAY, 16TH SEPT FOR ELECTRICAL MAINTENANCE
Following the announcement that Bagley Hall will undergo Electrical Maintenance on Thursday, 16th September ’21, approximately at 5 PM, all the NMR instruments will be powered down prior to the event. Facilities and Services seems to have given 5 PM as the start of the shut down. But, to avoid the sudden impact of an […]
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AN APPEAL : HANDLING BROKEN SAMPLES..
Hello NMR users In the unavoidable situation where a sample tube breaks on the bench (far better a situaion than it breaking inside the magnet !), please dispose off the broken tube, shards, etc. only in the Sharps container that we provided. One is on the wall next to the double doors that lead to […]
Posted in Spectrometer, Usage | No Comments
NOTE : RETURN OF NMR RESERVATION TO USUAL SCHEDULE
Dear Users Although what follows might sound intutive for many of you who have been following the University’s COVID related guidelines of late, I will still mention this formally, in line with the expected full strength in-person opening of UW for the fall quarter. The mandatory 10 minute ‘book ending’ gap before and after a […]
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UPDATE : AV500 – SHIM SYSTEM TAMED – MOSTLY
Dear Users I mentioned last week that a couple of hardware related issues need addressing and this is an update about the first and foremost of them : getting consistent results from Topshim method of shimming for all Lock Solvents. The root cause for the sporadic failure of Topshim, especially for weak lock signals […]
Posted in Hardware, NMR Applications, Spectrometer, Usage | No Comments
UPDATE ! : ALL NMR SYSTEMS ARE REVIVED BACK
Dear Users Systems are ready for use. As to the Power being pulled at 3.30 pm yesterday i.e. earlier than announced, everyone was taken by surprise including the building co-ordinators. Indeed it was unexpected but we couldn’t do much about it ! Good Day NMR Facility Manager 8/14/2021
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ALERT ! AV500 – HEADS UP ON THE SHIM RELIABILITY
Dear Users Some of you might have noticed the following but may have chosen to ignore this, since it didn’t affect your 1H spectra much. The current TXO probe is not providing good 2H based shimming results and it needs some close attention. Currently, the instrument can fail to give you good lineshape or Topshim […]
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UPDATE : AV300 – SYSTEM BACK TO NORMAL
Dear Users I have checked that the ATMA operation is now as expected. Please let me know if you notice anything otherwise. If any of you use a lock solvent that is typically out of the ordinary and if you face an ATMA problem, please contact me immediately. It will be a great help. NMR […]
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ALERT ! AV300 – DOWN DUE TO PROBE ISSUE
Dear Users The ATMA function is not giving the expected result and it is being looked into. The instrument will be down until further notice. Please look for an update from me on this later today. NMR Facility Manager 8/13/21
Posted in Hardware, Spectrometer | No Comments