UW CHEMISTRY NMR
Announcments & Equipment Logs
AV700 : UPDATE – TRANSITIONS TO SOLIDS POSTPONED TO NEXT WEEK
As the solids NMR user base has sample preparation issues, the instrument will remain in solutions mode until next Wednesday, 26th of August ’15. The migration to Solids is expected to be complete by the end of that day.
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AV700 : SYSTEM WILL MOVE TO SOLIDS FROM TOMORROW
As announced about three weeks ago, the system will move to solids and serve the solids community for about six weeks, beginning Wedensday, August 19th, evening. Any change in this schedule will be updated.
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AV301 : PLEASE NOTE ! : SAMPLE INJECTION AND J-YOUNG TUBES
J-Young tubes tend to shift the center of mass once you place it in the spinner, compared to regular tubes. The tube tends to wobble as it rides the air cushion, when it descends into the magnet and sometimes the sample seating can become problematic. In AV301 this problem is a bit exacerbated currently, since […]
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ALERT ! RESERVATION SYSTEM WILL BE DOWN FOR MAINTENANCE
Users are requested to note that the Chemistry IT team will be taking the NMR Reservation system computer offline for an urgent maintenance issue. The outage might last as long as 2 hours from now. An update will be posted once it is back on line. NMR Facility Manager
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AV301 – UPDATE : LOCK SYSTEM IS BEHAVING NORMALLY
The intermittent locking issue should be gone by now as I have reset the Lock system. If you still see a problem, feel free to post the observations in the instrument log online. Remember, if the shims are way off or if the Lock phase is not correct, you will have problem locking on your […]
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AV301 : ALERT – PROBE CHANGE TUESDAY, JUNE 2
The TXD-19F{1H} probe will be replaced with the PABBI probe by the afternoon of Tuesday, June 2. After the calibration steps the instrument should be ready for regular use around noon of Wednesday, June 3.
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AV500 – UPDATE : VT SYSTEM ANOMALY RECTIFIED
The VT system had stability issues that led to sudden loss of temperature control. The cause of this problem has been identified and dealt with. Users are requested to always start the ‘edte’ program and ensure that the temperature is stabilized before they proceed with 1D or nD NMR. Please let us know if you […]
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