UW CHEMISTRY NMR
Announcments & Equipment Logs
March, 2013
ALERT ! AV301 UPDATE : SYSTEM READY FOR USE
The AV301 instrument is ready for use after a long hiatus. It will be hosting the Automated BBI probe that completely eliminates the need to tune and match by hand. For any given experiment or parameter set, you need to just enter the command “atma” on the command line. The ‘wobb’ will be automatically performed […]
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AV800 – IMPORTANT INFORMATION
Users of 800 spectrometer are reminded that a flooding incident that occurred about a week ago damaged some of the sensitive electronic components, 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 me if you need more […]
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AV500 : PROBE CHANGE ALERT
The TXO-1H{19F,13C} Z-gradient probe will be installed in AV500 system on Friday, the 29th of March ’13. After priming the probe, it will be available for regular use by Monday, the 31st of March ’13. Users are alerted to plan accordingly.
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AV301 – QUICK UPDATE
Since the 19F probe will take more time to fix, the automated BBI probe is being primed to replace the ailing probe. Along with line shape optimization, an existing VT system issue is also being addressed at this time. Owing to these, it has taken longer than expected to bring the instrument back on line. […]
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AV301 : PROBE HEAD PROBLEM – SYSTEM DOWN
A possible breakage inside the probe makes the system unusable as of now. The matter is being looked into. An alternative solution will be provided as soon as feasible.
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AV700 : PROBE CHANGE ALERT
The current 3.2 mm MAS solids probe will give way to the TXI-HCN triple resonance solutions probe soon. The solutions probe will be ready for use by Monday, 10th March. Users are requested make plans accordingly.
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AV301 UPDATE : BROKEN PARTS IN PROBEHEAD
Most probably due to a combination of poor quality NMR tubes that were spun and a less than careful sample positioning in the sample spinner, by various users, the expensive quartz insert glass tubes inside the probe have been shattered. All the woes of the past few days, with the sample seating, difficulty in spinning […]
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