UW CHEMISTRY NMR
Announcments & Equipment Logs
Hardware
ALERT : GG500 – SYSTEM UNAVAILABLE DUE TO BROKEN SAMPLE
Due to a broken sample over the weekend, the GG500 will be down for probe cleaning and maintenance for a portion of today, Monday, June 16. Please reserve one of the other systems for routine solutions NMR. Please watch for an announcement for the GG500’s return to service. -Adrienne
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UPDATE – AV700 – SHIMS ARE STILL SETTLING DOWN
Dear Users You might have noticed that Topshim is taking an abnormally long time to converge. This has nothing to do with the Topshim program, but it is caused by the magnet’s cryogenic shims still drifting towards their ultimate equilibrium. Newly charged superconducting magnets will take a while to reach a rock steady state, and […]
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UPDATE ! AV700 IS BACK ONLINE – READY FOR USE
Dear Users The long wait for resurrecting the 700 NMR is over. You will find the wait worth it, when it comes to the sensitivity and resolution of this instrument. You can start reserving NMR time via the Reservation Page here. Let us refresh our collective memories : The probe is TXI-HCN with Z-gradient with […]
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UPDATE: NEO500 RELEASE WITH TBI PROBE
The NEO500 will be released today (Wednesday, April 9) at 1:00 PM with the TBI probe installed. CHANGE TO NORMAL USE: Because the TBI probe is a manual tune-and-match probe, all use of the NEO500 will be via reservation only. Please use the reservation page to book your time before using the instrument. TRAINING REQUIRED: […]
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UPDATE – NEO500 : PRODIGY PROBE WILL BE SENT FOR REPAIRS
Dear Users The second scenario of the last post came to pass. The Prodigy probe has to be uninstalled and sent for repairs to the manufacturer. Until the probe is examined at the service center, we won’t be able to give an estimate of the turn around time. We will do the utmost to give […]
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UPDATE – NEO500 – PLEASE READ
Based on existing symptoms, we are applying some mitigating steps to the Prodigy Probe system. We will only know if the Probehead is back to normal conditions by tomorrow morning. There are two possibilities here : If the remedy we applied resolved the RF related issue, we will do test runs on standard samples to […]
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UPDATE – NEO500 : SYSTEM WILL BE DOWN UNTIL FURTHER NOTICE
At a minimum, the NEO500 system won’t be ready to collect data till 3 pm, tomorrow, 2nd April ’25. Please stay tuned for further updates in this space. NMR FACILITY 4/1/2025
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UPDATE – AV300 : VT SYSTEM RESTORED TO NORMAL OPERATION
The faulty chiller unit, that prevented normal VT operation has been fixed. On the lower side, now you can reach to temperatures below 25 C and you should be able to reach upto -5 deg. C with good stability. The absolute low at this point you can reach is -8 deg. C with a possibly […]
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UPDATE – NEO500 : QUEUE RESTARTED – NOTE THE CAVEATS
Dear Users You can resume submitting samples. But, please note that the cryoprobe’s performance is definitely compromised and you may not get the quality of data you are used to, especially for 1D 13C spectra that employs 1H broadband decoupling. Owing to the pressure on the instrument to provide throughput, we are opening it for […]
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ALERT – NEO500 : INSTRUMENT RELEASE DELAYED
Users The ongoing test and optimization will end later than 12 pm. We will release the instrument for routine run by 1 PM. Please wait for a confirmation to this effect in another WP announcement before proceeding to the lab with your samples. NMR Facility 2.25.25
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