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Sensitive and rapid reversed-phase liquid chromatography-fluorescence method for determining bisphenol A diglycidyl
P Paseiro Losada1, P López Mahía, L Vázquez Odériz
1Universidad de Santiago de Compostela, Facultad de Farmacia, Departamento de Química Analítica, Nutrición y Bromatología, Spain.
Abstract:
A method has been developed for determination of bisphenol A diglycidyl ether (BADGE) in 3 aqueous-based food simulants: water, 15% (v/v) ethanol, and 3% (w/v) acetic acid. BADGE is extracted with C18 cartridges and the extract is concentrated under a stream of nitrogen. BADGE is quantitated by reversed-phase liquid chromatography with fluorescence detection. Relative precision at 200 micrograms/L was 3.4%, the detection limit of the method was 0.1 micrograms/L, and recoveries of spiking concentrations from 1 to 8 micrograms/L were nearly 100%. Relative standard deviations for the method ranged from 3.5 to 5.9%, depending on the identity of the spiked aqueous-based food simulant.