UW CHEMISTRY NMR
Announcments & Equipment Logs
ALERT : NMR PRINTER OUT OF ORDER
An irrecoverable hardware problem has been found with NMR room printer. Until we procure an alternate solution, users are requested to do their printing in their lab/office printers. You can create printable .jpg or .pdf images of the spectra from the NMRJuicer computer and send the same to your email account OR store in a […]
Posted in Hardware, Spectrometer, Usage | No Comments
AV500 ALERT : SYSTEM IS OPERATIONAL AGAIN
Users can start reserving time. Thank you very much for your kind understanding and patience all these days, especially with multiple instruments being down. Please do not hesitate to contact one of the facility staff if you need any assistance.
Posted in Spectrometer, Usage | No Comments
AV301 UPDATE : 1H {13C} PROBE WITHOUT VT VARIATION
This old double resonance probe cannot do VT variation. The lineshape as it exists is usable for the routine runs but needs further optimization. Since this probe will be treated only as a temporary resource, we are releasing the instrument as it is, to reduce the deficit of dysfunctional instruments to one i.e. AV500. PLEASE […]
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AV301 is now available
The AV301 now has the dual channel probe with 1H and 13C and a 2D lock. Please use shim file stdhcd. The proton and carbon macros are not currently set up to reflect the new probe. You will need to tune and match this probe for your experiments.
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UPDATE : NMR SYSTEM UP AFTER POWER OUTAGE
Users can start use of the instruments as usual. Please let us keep informed if anything unusual is noticed, since problems lurking generally come out after a power cycle.
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ALERT : FACILITY FILL SHUT DOWN IN 10 MINUTES
Please remove any samples in the magnets before the consoles are powered down. The instruments will be back to normal operation approximately by 6.00 pm tomorrow.
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REMINDER : NMR FACILITY DOWN DURING PLANNED POWER OUTAGE
There will be a planned power outage in Bagley Hall this Saturday, the 18th, which will affect the NMR facility instruments as well. The instruments will therefore be turned off by 4.00 pm, Friday the 17th and restored after the electrical maintenance is completed.
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AV500 : UPDATE – DAMAGED HARDWARE
An issue has been identified with the RT shim stack and this makes the instrument unusable currently. Since repair of this part is not feasible in house, we have to wait for a replacement of the same. Users will be updated on that front when more information is available.
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ALERT ! AV500 DOWN…
Hardware malfunction is being investigated. The instrument will be down possibly until tomorrow. Further updates will be posted here.
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AV800 : UPDATE – SYSTEM STILL UNSTABLE
Thorough investigations thus far indicate two possible points of instability in the system that leads to sporadic and unpredictable failure of the spectrometer. Since a troubleshoot of this nature entails long periods of test runs and observations, the system is not ready to collect useful data yet. We will keep users posted as to any […]
Posted in Hardware, Software, Spectrometer | No Comments