Microwave-assisted solid sampling analysis coupled to flame furnace atomic absorption spectrometry for cd and pb determination in food-contact polymers

dc.creatorHenn, Alessandra Schneider
dc.creatorFrohlich, Angelica Chaiani
dc.creatorPedrotti, Matheus Felipe
dc.creatorHagemann Cauduro, Vitoria
dc.creatorOliveira Silva, Marcos Leandro
dc.creatorFlores de Moraes, Erico Marlon
dc.creatorBizzi, Cezar Augusto
dc.date2022-06-21T15:39:41Z
dc.date2022-06-21T15:39:41Z
dc.date2021-12-28
dc.date.accessioned2023-10-03T19:59:49Z
dc.date.available2023-10-03T19:59:49Z
dc.identifierHenn, Alessandra S., Angelica C. Frohlich, Matheus F. Pedrotti, Vitoria H. Cauduro, Marcos L.S. Oliveira, Erico M.d.M. Flores, and Cezar A. Bizzi. 2022. "Microwave-Assisted Solid Sampling Analysis Coupled to Flame Furnace Atomic Absorption Spectrometry for Cd and Pb Determination in Food-Contact Polymers" Sustainability 14, no. 1: 291. https://doi.org/10.3390/su14010291
dc.identifierhttps://hdl.handle.net/11323/9275
dc.identifierhttps://doi.org/10.3390/su14010291
dc.identifier10.3390/su14010291
dc.identifier2071-1050
dc.identifierCorporación Universidad de la Costa
dc.identifierREDICUC - Repositorio CUC
dc.identifierhttps://repositorio.cuc.edu.co/
dc.identifier.urihttps://repositorioslatinoamericanos.uchile.cl/handle/2250/9173703
dc.descriptionMicrowave-assisted solid sampling analysis coupled to flame furnace atomic absorption spectrometry (MW-SS-FF-AAS) was used for Cd and Pb determination in food-contact polymer samples, with the aim of minimizing reagents and laboratory waste. Operational parameters, such as the FF tube design, the oxygen flow rate, the flame stoichiometry, the sample mass, among others, were evaluated and optimized. Calibration was performed using only reference solutions, and the limits of quantification were 1.7 and 4.6 µg g−1 for Cd and Pb, respectively. Accuracy was assessed by the analysis of certified reference materials (CRMs), and by comparison with the results obtained by inductively coupled plasma mass spectrometry after microwave-assisted wet digestion. The MW-SS-FF-AAS results for the CRMs showed no statistical difference with the certified values, and good agreement was observed with the results of the digestion method. The MW-SS-FF-AAS method was considered suitable for Cd and Pb determination in food-contact polymers. The concentrations of Cd and Pb in the analyzed samples varied from <1.7 to 628 µg g−1, and from <4.6 to 614 µg g−1, respectively. As sample digestion is not necessary, the use of concentrated acids can be avoided by using the proposed MW-SS-FF-AAS method, greatly reducing waste generation. © 2021 by the authors. Licensee MDPI, Basel, Switzerland.
dc.format12 páginas
dc.formatapplication/pdf
dc.formatapplication/pdf
dc.languageeng
dc.publisherMDPI AG
dc.publisherSwitzerland
dc.relationSustainability
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dc.rights© 2021 by the authors. 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/).
dc.rightsAtribución 4.0 Internacional (CC BY 4.0)
dc.rightshttps://creativecommons.org/licenses/by/4.0/
dc.rightsinfo:eu-repo/semantics/openAccess
dc.rightshttp://purl.org/coar/access_right/c_abf2
dc.sourcehttps://www.mdpi.com/2071-1050/14/1/291
dc.subjectPolymer analysis
dc.subjectMW-SS-FF-AAS
dc.subjectSolid sampling
dc.subjectMicrowave-induced combustion
dc.subjectToxic element determination
dc.titleMicrowave-assisted solid sampling analysis coupled to flame furnace atomic absorption spectrometry for cd and pb determination in food-contact polymers
dc.typeArtículo de revista
dc.typehttp://purl.org/coar/resource_type/c_6501
dc.typeText
dc.typeinfo:eu-repo/semantics/article
dc.typeinfo:eu-repo/semantics/publishedVersion
dc.typehttp://purl.org/redcol/resource_type/ART
dc.typeinfo:eu-repo/semantics/publishedVersion
dc.typehttp://purl.org/coar/version/c_ab4af688f83e57aa


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