UW CHEMISTRY NMR
Announcments & Equipment Logs
Spectrometer
AV800: system down due to gradient malfunction
We are waiting for a hardware replacement part. The expected timeline for the same is end of this week i.e. 8 Feb 2013. Any changes to this schedule will be posted here.
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AV700: UPDATE
A pneumatic control board failed in the AV700 console, making the spectrometer unusable. We have been waiting for a replacement of the said board from the manufacturer. The current status is that, this board should arrive at the facility in roughly two weeks time. Once the system is up and functioning, I will post another […]
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AV301 : UPDATE ON VT
The chiller unit is malfunctioning and therefore variable temperature is not available on the instrument until further updates. All spectra need to be recorded at 298 K i.e. room temperature.
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AV301 : PROBE UPDATE – 19F probe back
The erstwhile damaged 19F probe has been repaired in house and has been tested to function satisfactorily. We thank the users for their patience and understanding while waiting for the 19F probe to be available. Please let me or Paul know if you observe anything of significance with the TXD 1H {19F,13C} probe.
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AV301 UPDATE : NEW AUTOMATED BROADBAND PROBE
The 19F probe has been compromised and will need extensive repairs. In place of the old probe, the new BBI probe is installed in the system. IMPORTANT NOTE : This is a new generation probehead that does NOT allow you to do manual tune/match i.e. WOBB. You must use the command ‘atma’ instead and the […]
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AV301 : ALERT – 19F CHANNEL MALFUNCTION
A probe head related issue is being looked into . If it cannot be fixed within the next hour, an alternative will be provided. Please wait for further updates.
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AV800 : REMINDER – WALK ON TIME NEXT WEEK
Please contact me by before the end of the day tomorrow i.e. Friday, 2nd Nov., to avail the remaining time during the Walk-On period in the 800 MHz spectrometer.
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AV500 UPDATE : BF1 SHIFT COMPLETE
The Base Frequency of the spectrometer is now reset to : 499.956572 MHz. Getting the line shape close to factory spec is still a work in progress. But, the current resolution achieved is comparable to the values with which we were operating prior to the frequency shift. Existing user created parameter sets and the Bruker […]
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