Abstract
AbstractA solution of tryptophan, rhodamine B and glycerol is irradiated in the source region of a time‐of‐flight mass spectrometer by visible light from a pulsed laser. Tryptophan and rhodamine B are desorbed and subsequently ionized by a second pulse of ultraviolet light. The observed mass spectra and dependence of ion yields on time delay between light pulses provide information about the laser desorption process.
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