Category Archives: Uncategorized
i400 back up
i400 is back running. The problem was actually a bad video card which has just been replaced. Continue reading
i400 down
i400 is down duo to some software issues. Continue reading
i500 C13 problem fixed
The i500 C13 problem has been fixed. Both H1 and C13 work very well. Enjoy high sensitivity of the 500. Continue reading
i500 problem: low sensitivity of C13
i500 currenly has a hardware problem (likely a damaged broadband preamplifier) which significantly reduces C13 sensitivity. Troubleshooting and repair will be taken at early next week. At this time, users are recommended to use i400 or vxr400 for C13 spectrum measurements. … Continue reading
nmrsun5 uses vxrlj as default printer
The default printer for the nmrsun5 computer has been changed to vxrlj (the printer next to the vxr400), which is closer than sun2lj to this computer. Continue reading
i400 cooling system back working
The FTS cooling system is back working. Please keep in mind that the cooler unit of this system should be turned on ONLY when you run low temperature experiments and must be turned off after you finish your low temperature work. DO … Continue reading
i400 cooling system stops working
The FTS cooling system on the i400 stops working and has been powered off. As a result, low temperature function on the i400 is not available until the system gets fixed. High temperature function still works. Continue reading
Spectrometers Back Running
The air dryer problem is fixed. All the spectrometers are up running. Continue reading
Chemistry Spectrometers Down
The four Chemistry spectrometers are temporarily down as we have a problem with the lab air dryer. Continue reading
DOSY
We can run the DOSY experiment at IU. This is the pseudo 2D diffusion correlated experiment giving 1D spectra on one axis (typically 1H) and self diffusion coefficient on the other. The major application is effectively separating proton spectra of … Continue reading