Investigations of metals present in polymer composition of plastic debris by EDXRF technique
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2024
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ENCONTRO DE PRIMAVERA DA SOCIEDADE BRASILEIRA DE FISICA, 4.
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Resumo
Plastics are one of the most common and persistent pollutants in ocean waters and beaches
worldwide, causing harmful effects on marine biota. The composition of these plastics
mainly includes polyethylene (PE1) and polystyrene (PS). The marine environment is
impacted in various ways and, in extreme cases, diseases can emerge among seafood-consuming inhabitants due to contaminants (such as the toxic additives) in the plastic
composition. Specifically, the objective of the present investigation is to analyze ions and
metals in PE1 and PS samples exposed in the Jurujuba region (Baía de Guanabara, Rio
de Janeiro) for different periods using the Energy Dispersive X-Ray Fluorescence
(EDXRF) analytical technique. This analysis will help identify toxic metals present in
these polymer compositions as well as metals adsorbed on the plastic surface,
contributing to defining measures to address this issue. Samples (in triplicate) were
divided into three groups: I) Standard: sample available commercially; II) Control:
sample exposed only to ultra-pure water, in the dark with a controlled temperature of 25
degrees Celsius; III) Exposed samples in Jurujuba (Baía de Guanabara, RJ). This study is
part of a larger research project “Strengthening capacities in Marine and Coastal
Environments using nuclear and isotopic techniques” (IAEA/ARCAL: RLA7025). These
results emphases the toxicity of marine pollution, and show that PET and PS polymers
can act as carriers of pollutants between ecosystems.
Como referenciar
ZANIN, T.; ZAMBONI, C.B.; CARDOZO, B.B.I.; SA FELIZARDO, J.F.; MEIGIKOS, R. Investigations of metals present in polymer composition of plastic debris by EDXRF technique. In: ENCONTRO DE PRIMAVERA DA SOCIEDADE BRASILEIRA DE FISICA, 4., 24-27 de setembro, 2024, Belo Horizonte, MG. Resumo... São Paulo, SP: Sociedade Brasileira de Física - SBF, 2024. Disponível em: https://repositorio.ipen.br/handle/123456789/49139. Acesso em: 20 Jan 2026.
Esta referência é gerada automaticamente de acordo com as normas do estilo IPEN/SP (ABNT NBR 6023) e recomenda-se uma verificação final e ajustes caso necessário.