Journal
CHEMOSPHERE
Volume 324, Issue -, Pages -Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.chemosphere.2023.138359
Keywords
Bisphenols; Flame retardants; Supramolecular solvents; Ambient mass spectrometry; ASAP; DIP
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A rapid method using supramolecular solvents and ambient mass spectrometry was developed for the screening and quantification of organic contaminants in food packaging materials. The method used medium chain alcohols in ethanol:water mixtures as supramolecular solvents for simultaneous sample extraction and clean-up. The results showed the prevalence of bisphenols and organophosphate flame retardants, as well as the presence of other additives and unknown compounds in about half of the analyzed samples, highlighting the complex composition of food packaging materials and potential health risks.
A rapid method based on a fast sample treatment with supramolecular solvents (SUPRASs) and ambient mass spectrometry (AMS) analysis was developed for the screening and quantification of organic contaminants in food packaging materials (FCMs). The suitability of SUPRASs made up of medium chain alcohols in ethanol:water mixtures was investigated, given their low toxicity, proven capacity for multi-residue analysis (since they provide a wide variety of interactions and multiple binding sites) and restricted access properties for simultaneous sample extraction and clean-up. Two families of emerging organic pollutants, bisphenols and organophosphate flame retardants, were targeted as representative compounds. The methodology was applied to 40 FCMs. Target compounds were quantitated using ASAP (atmospheric solids analysis probe)-low resolution MS and a broad-spectrum screening of contaminants was performed through spectral library search using direct injection probe (DIP) and high resolution MS (HRMS). The results showed the ubiquity of bisphenols and of some flame retardants, as well as the presence of other additives and unknown compounds in about half of the analyzed samples, which highlight the complex composition of FCMs and the possible associated health risks.
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