UW CHEMISTRY NMR
Announcments & Equipment Logs
Hardware
AV301 : UPDATE – 1H {19F, 13C} probe ready for use
Please remember to load the standard shim file stdtxd before you begin shimming. Pay attention to the fact that the RF cable should be switched from the 13C connector on the probe to 19F connector, when you perform 19F direct detection. Please leave the cable back in 13C position once you are done. Contact facility […]
Posted in Hardware, Spectrometer, Usage | No Comments »
ALERT : AV301 – PROBE CHANGE
The currently serving double resonance 1H {13C} backup probe in AV301 will give way to the TXD-1H{19F,13C} probe, beginning Oct. 21st, Monday. The probe is expected to be ready before noon. Users are requested to note the change.
Posted in Hardware, Spectrometer, Usage | No Comments »
UPDATE: AV500 – SYSTEM IS UP AND RUNNING
Users are requested to resume data collection. Please inform us of anything unusual. Thank you for your patience.
Posted in Hardware, Spectrometer | No Comments »
ALERT : AV301 – BROKEN PROBE INSERT
The AV301 instrument is not available for immediate use owing to the following. The shim set that gave good lineshape last week gives a poor lineshape today. This is indicative that the insert quartz tube is broken once again. If this turns out to be the case, we will replace the same asap and return […]
Posted in Hardware, Spectrometer | No Comments »
NOTE : POWER FLUCTUATION TODAY MORNING
A voltage fluctuation that occurred today morning disrupted the normal functioning of some of the NMR consoles. As I write this, all the consoles are restored to normalcy, except for the AV500 console. An update will be posted in due course about AV500.
Posted in Hardware, Spectrometer | No Comments »
ALERT ! : AV500 DOWN
A power fluctuation today morning has led to widespread disruptions in several NMR consoles. As of now, the AV500 console is down and it might take the better part of today before it is up again. Please plan accordingly.
Posted in Hardware, Spectrometer | No Comments »
AV301 : UPDATE ON LINESHAPE PROBLEM – BROKEN PROBE PART REPLACED
The deterioration of lineshape noted by users is traced to a broken insert glass. This has been replaced and the line shape is adequately restored for the routine runs. A further fine tuning will be done in a few days to bring it to the optimum.
Posted in Hardware, Spectrometer | No Comments »
ALERT ! AV500 UPDATE : UWNetid FUNCTIONAL – AGAIN
Users are requested to note that they can user their UWNetid login as before to operate the NMR spectrometer. A new operating system platform has been installed to address the vexing problem of Netid login failure. This transition should provide trouble free UWNetid login as well as a smooth execution of all the Topspin automation […]
Posted in Hardware, Software, Spectrometer, Usage | No Comments »
ALERT : AV500 PROBE CHANGE
Users are requested to take note that the BBO – X{1H} probe will go in by the afternoon of Thursday the 18th of July’13. The system should be ready for regular use by Friday the 19th ’13. Any change in the schedule will be notified duly.
Posted in Hardware, Spectrometer, Usage | No Comments »
AV301 UPDATE : PROBE CHANGE ALERT
The repaired 19F {1H, 13C} probe will soon be shipped from the manufacturer. In approximately a week’s time this probe will take the place of the current double resonance probe. Users are requested to take note.
Posted in Hardware, Spectrometer | No Comments »