Abstract
Abstract Phenylethylamine, benzylamine, and amine-terminated polystyrene were analyzed in non-aqueous solution by a fluorescence method based upon fluorescamine. The three solvents investigated were DMF, acetone/chloroform (2/1, v/v), and chloroform. Triethylamine was required in the mixtures and optimum amounts of this tertiary amine were determined. The time to maximum fluorescence was found to be much longer than in aqueous solutions. The determination of molecular weight of the amine-terminated polymer by this method agreed well with the value obtained by gel permeation chromatography.
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