Monthly Archives: June 2011

Unstaffed July 4th

The NMR facility will be unstaffed on July 4th.

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I400 probe being repaired

The I400 4-Nucleus probe is being sent for repair. It typically take about 6 weeks for a probe repair. The PFG inverse detection probe is now in. Versus the PFG probe, this probe: – * cannot do 19F and 31P … Continue reading

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Spectrometers back up

The drain valve of the air dryer went bad and needs to be replaced. A new valve has been ordered and will come soon. For time being,  the old valve is used after clean up to keep the spectrometers running. Hopefully it … Continue reading

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Chemistry spectrometers down

We have a problem with the lab air dryer. The spectrometers in the Chemistry NMR facility are temporarily down.

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I400 update

13C and 31P are ok, 1H and 19F work at reduced S/N and longer pulse widths. Probe default values have been updated but proton decoupling for 13C may be affected. 2D experiments should be run on the VXR400 and I500 … Continue reading

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i400 back up

i400 is now back up.

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i400 unavailable

Someone broke a sample tube inside the i400 magnet. The probe and its accessory need to be uninstalled and cleaned. The spectrometer will be temporarily unavailable for 4-5 hours.

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i400 back up

i400 is back running. The problem was actually a bad video card which has just been replaced.

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i400 down

i400 is down duo to some software issues.

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