Pyrene for fluorescence - what is the easiest practical way to recrystallize pyrene from ethanol or acetone, proportions solvent:pyrene?

How large is the effect of impurities in commercial pyrene on the fluorescence? I am to recrystallize Pyrene, in small scale, to be used as extrinsic fluorescence probe. I'd appreciate some...

13 August 2021 711 3 View