Analysis of filters in the recovery of Cs, Co, U, and Th isotopes through chemical extractio
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Journal of Radioanalytical and Nuclear Chemistry
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This study aims to analyze the recovery yield of radioisotopes using the hot acid extraction method as an alternative to conventional dissolution and calcination techniques. Various filters with different characteristics were evaluated for their potential use in the characterizing radioactive waste removed via ablation probes. The target elements in this research were 60Co, 137Cs, 238U, and 232Th, as these isotopes are commonly found in nuclear facilities. The results indicated that the polyethersulfone membrane filter is effective for the analysis in question.
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ALMEIDA, MATHEUS A. S.; SILVA, PAULO S. C.; RAELE, MARCUS P.; VICENTE, ROBERTO; LINHARES, HORÁCIO M. S. M. D.; NETO, MIGUEL M. Analysis of filters in the recovery of Cs, Co, U, and Th isotopes through chemical extractio. Journal of Radioanalytical and Nuclear Chemistry, v. 334, n. 11, p. 7683–7690, 2025. DOI: 10.1007/s10967-025-10502-7. Disponível em: https://repositorio.ipen.br/handle/123456789/49362. Acesso em: 25 Mar 2026.
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