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    Por favor, use este identificador para citar o enlazar este ítem: http://hdl.handle.net/10259/5805

    Título
    HPLC-DAD and PARAFAC for the determination of bisphenol-A and another four bisphenols migrating from BPA-free polycarbonate glasses
    Autor
    Arce Antón, MarAutoridad UBU Orcid
    Ortiz Fernández, Mª CruzAutoridad UBU Orcid
    Sanllorente Méndez, SilviaAutoridad UBU Orcid
    Publicado en
    Microchemical Journal. 2021 V. 168, 106413
    Editorial
    Elsevier
    Fecha de publicación
    2021-09
    ISSN
    0026-265X
    DOI
    10.1016/j.microc.2021.106413
    Resumen
    Bisphenol A (BPA) is considered an endocrine disrupting chemical as it affects the human hormonal system and is widely used in polycarbonate (PC) manufacture. As the population is continually exposed to BPA, European regulations have limited its industrial use in cosmetics, thermal paper, toys and food contact materials. Because of these restrictions, other bisphenols are replacing BPA, but they show similar harmful effects as BPA. In this work, migration of five bisphenols (BPS, BPF, BPA, BPAF, BPZ) from BPA-free PC glasses into simulant B (3% acetic acid (w/v) in aqueous solution) has been determined by means of HPLC-DAD. For this task, twenty glasses were exposed to a migration test at 70 °C for 24 h, more severe conditions than the ones suggested in technical guides. Afterwards, PARAFAC (parallel factor analysis) decomposition, validation of PARAFAC models, and evaluation of CCα (decision limit) and CCβ (detection capability) were carried out. A study was performed by comparing the population results (concentration), obtained for analytical blanks (n = 40) versus the ones obtained for the migration test from BPA-free polycarbonate glasses (n = 40) by means of the corresponding probability density functions fitted for both populations. A statistically significant difference between both populations was only found for BPA. BPA migrated from PC glasses with concentration greater than 0.49 μg L-1, for probabilities of false positive (α) and false negative (β) equal to 0.05 and 0.07, respectively. However, the maximum amount of BPA migrated from PC glasses was 5.60 μg L-1, a value lower than the established limit for the specific migration of a non-authorised substance (10 μg kg−1).
    Palabras clave
    Bisphenols
    Migration
    BPA-free glass
    HPLC-DAD
    PARAFAC
    Food Contact Materials
    Materia
    Química analítica
    Chemistry, Analytic
    URI
    http://hdl.handle.net/10259/5805
    Versión del editor
    https://doi.org/10.1016/j.microc.2021.106413
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    Attribution-NonCommercial-NoDerivatives 4.0 Internacional
    Documento(s) sujeto(s) a una licencia Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 Internacional
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    Arce-mj_2021.pdf
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    917.3Kb
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