UW CHEMISTRY NMR
Announcments & Equipment Logs
Hardware
ALERT AV301 : PROBE ISSUE
The automated tuning mechanism has developed a problem on the 1H channel. Until this probe is fixed, an interim double resonance probe i.e. 1H, 13C will be installed in AV301.
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DRX499 UPDATE : INSTRUMENT READY FOR USE
Users can block times as usual. The usual warnings and reminders highlighted last time when an incorrect sample insertion occurred, apply now also. Thank you for your cooperation.
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DRX499 – INSTRUMENT DOWN DUE TO USER ERROR
A user has managed (again) to drop a sample tube without a spinner into the magnet bore. Currently we don’t know the extent of damage this has caused but we are investigating. An update will be posted once the instrument is revived back to usability.
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AV700 UPDATE : SYSTEM IS REVIVED
The workaround is functional and the spectrometer is working again. The probe change to solids will be completed today, as planned.
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AV700 ALERT : SYSTEM DOWN DUE TO PNEUMATICS PROBLEM
The proposed probe change is postponed to tomorrow since the console has a damaged filter system. A workaround is being tried and if the console can be revived immediately, then we will be on track with the original schedule. An update will be posted in due course.
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AV700 : PROBE CHANGE ALERT
The solutions HCN probe will give way to the solids MAS probe come Monday, the 6th of May ’13. The spectrometer will serve the solids work needs for about four weeks from this date.
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AV500 – POSSIBLE VT ISSUE
Users have mentioned that they are not able to bring the VT set point below approx. 285 K. We are looking into this and an update with more information and planned remedy will be posted here. Stay tuned…
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AV800 – IMPORTANT INFORMATION
Users of 800 spectrometer are reminded that the power outage on April 13 resulted in issues with the cryopanel. Those issues have been resolved. However, other issues remain, rendering the system unusable. Every effort is being put in, to revive the spectrometer as quickly as possible. Please look for further updates on this issue. Contact Rajan […]
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ALERT ! AV500 UPDATE – SYSTEM BACK TO NORMAL
The auto locking issue has been resolved. Users can start booking time with immediate effect. Please contact Facility staff if you need any assistance. Thank you very much for your kind patience all along.
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AV500 UPDATE : AUTO LOCK ISSUES
We are still working to resolve the problem of Auto Locking in AV500. Although automatic locking is an important feature, it does not preclude the possibility of using the instrument, as the 2H lock feature is observed to be working. If it is determined that the Auto Lock feature will take a while to revive, we […]
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