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Gradient reversed-phase high-performance liquid chromatography with photodiode array detection was used for separation, detection and quantification of bisphenol-A-diglycidyl ether (BADGE) and some of its reaction products, namely, BADGE·HCl·H 2 O, BADGE·H 2 O and BADGE·2HCl in pure form and in canned foods, where canned beans and tuna were used as representatives of aqueous and oil-in-water food matrices, respectively. The proposed method had a linear range of 0.01–0.5 μg g −1  for BADGE·HCl·H 2 O, BADGE·H 2 O, BADGE·2HCl and 0.02–0.7 μg g −1  for BADGE in aqueous food matrices. In oil-in-water matrices, the method was proven to be sensitive over a linear range of 0.01–0.5 μg g −1  for BADGE·HCl·H 2 O, BADGE·H 2 O and 0.02–0.7 μg g −1  for BADGE·2HCl and BADGE. The limits of detection and quantification ranged from 0.24 to 1.22 ng g −1  and 0.73 to 14.07 ng g −1 , respectively. Excellent intraday and interday precision ( n  = 9) were obtained with RSD% of 0.84–2.19% and 1.88–2.52%, respectively. Accuracy was measured at five concentration levels and the recoveries ranged from 96.31% to 98.76% with an acceptable variation of ±0.9–2.87. Results suggest that the proposed method could be applied for the routine analysis of the studied compounds in their laboratory-prepared mixtures and in various types of canned foods following the limits and regulations of the European Union.

journal of chromatographic science

HPLC Method for Simultaneous Determination of Bisphenol-A-Diglycidyl Ether and Some of Its Reaction Products in Canned Foods Using Photodiode Array Detector