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Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
UHPLC–MS/MS chromatogram of AH samples with detected BPA (a), AH sample with two detected isomers of BPA (b), AH sample with detected BPA and two isomers (c), AH sample with BPA and two detected isomers and spiked with 2.0 ng g−1 of BPA (d). cps—counts per second.