Abstract
The specific migration of [2,2-bis(4 hydroxyphenyl) propane] from polycarbonate films into ethanol 50 % food simulant was studied. A phenomenological model based on a resistances-in-series system was resolved through the regula falsi algorithm. The diffusion–convection model was not able to describe the BPA concentration change as a function of time after 40 h, since an equilibrium condition with a plateau is not achieved. BPA generation due to PC hydrolysis produces an increase in BPA concentration. The continuous generation of BPA can be described by a generation–diffusion–convection model, where BPA generation obeys to a pseudo-zero-order reaction.
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Acknowledgments
The authors thank the National Commission for Scientific and Technological Research (CONICYT), for its financial support from the National Fund for Scientific and Technological Development, FONDECYT [Grant No. 1120368], FONDEF Project D09I1043, “Propuesta Científica de Normativa para el Desarrollo de Envases Plásticos Inocuos: Una Metodología Científica Tecnológica de Apoyo a Instituciones Públicas y Privadas para Fortalecer la Estrategia Nacional de Consolidación de la Industria Alimentaria”, and for its financial support of Basal Financing Program Science and Technological Centers of Excellence [Grant No. F0807].
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Torres, A., Ramirez, C., Romero, J. et al. Experimental and theoretical study of bisphenol A migration from polycarbonate into regulated EU food simulant. Eur Food Res Technol 240, 335–343 (2015). https://doi.org/10.1007/s00217-014-2333-6
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DOI: https://doi.org/10.1007/s00217-014-2333-6