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I got the permission for the 500 MHz NMR, and I can use it on my account.
There are the Bruker's 5 NMR instruments in our facility, 300, 2x400, 500, and another 500 (it can measure at the solid state, too.).
Now I can use 4 NMRs except the last one, it doesnt matter for me.
Though it had bothered me for first several months, those are very useful now for me.