Category Archives: Uncategorized

Due to lab air outage, the spectrometers in the Chemistry NMR facility will be shut down Tuesday (July 26th) morning 5:30-8:30am. Continue reading →

The button on the top of the file tool which corresponds to the 300 is now marked with user’s three-letter username. Clicking on this button will directly access user’s home folder on gem300. Continue reading →

The NMR facility will be unstaffed on July 4th. Continue reading →

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 →

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 →

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

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 →

i400 is now back up. Continue reading →

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. Continue reading →

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