UW CHEMISTRY NMR
Announcments & Equipment Logs
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: […]
Posted in Hardware, NMR Facility Usage, Probeheads, Spectrometer | No Comments
LATEST UPDATE ! GG500 and NEO500 – PLEASE NOTE
Dear Users This is the latest on both the 500 systems. Please note and plan accordingly. GG500 GG500 will continue to serve you with the iProbe that has been in place. This probe will NOT be removed right now. Until the Prodigy Probe is back to normal state, GG500 will continuously operate on IconNMR Automation Mode, […]
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UPDATE – NEO500 and GG500 – PLEASE READ
Dear Users Starting tomorrow morning, we will implement a two step process to get both the 500 NMR-s to get to full productivity mode (defined with caveat, under the circumstances). probeheads : Prodigy cryoprobe will be uninstalled and packed for shipping The iProbe that is currently serving GG500 will be placed in NEO500 magnet The triple […]
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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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ALERT – NEO500 : SYSTEM WILL BE OFFLINE FOR HARDWARE CHECK
The automation queue is stopped to investigate an anamolous probehead behavior. The instrument will be offline for at least an hour. If the issue is resolved, the queue will be removed and an update will be broadcast. Please stay tuned. NMR Facility 4/1/2025
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IMPORTANT NOTE : SAMPLE PREPARATION AND HEALTH OF THE NMR INSTRUMENTS
Dear Users The NMR instruments in our facility are not only expensive but they are result of years of extensive R&D and exquisite engineering. They are robust enough to tolerate quite a bit of abuse. But, there are limits to how much these versatile and delicate instrumentation can take and still keep functioning. These days […]
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