Fluorescence and NMR spectra
Fluorescein absorbs at about 490 nm and emits at a longer wavelength (Stokes shift). Ethanol shows a 3:2:1 pattern in ¹H NMR; a stronger magnet spreads the multiplet lines apart in ppm.
Fluorescein absorbs at about 490 nm and emits at a longer wavelength (Stokes shift). Ethanol shows a 3:2:1 pattern in ¹H NMR; a stronger magnet spreads the multiplet lines apart in ppm.