Determination of I-129 on radioactive waste from Angra 1 and 2 Power Plants
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2019
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INTERNATIONAL NUCLEAR ATLANTIC CONFERENCE
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Radioactive waste must be characterized in order to be deposited in a suitable place for its confinement, avoiding any contamination of the environment. This study determined 129I, one of the difficult-to-measure nuclides that make up the radioactive waste from Angra 1 and 2 nuclear power plants. The methodology used a 129-I (1Bq/mL) liquid certified standard and consisted on guarantying that all the iodine was converted into iodide before the addition of PdCl2 for the precipitation of PdI2. After the separation procedure the 129I was quantified by gamma spectrometry by measuring its X-ray emissions with energies of 29.7 keV and 33.8 keV, as well as the gamma-ray emission of 39.6 keV. The chemical yield of the procedure was 74.4% (0,2).
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JUNQUEIRA, LUCAS S.; ANGELINI, MATHEUS; ZAHN, GUILHERME S.; SILVA, PAULO S.C. da. Determination of I-129 on radioactive waste from Angra 1 and 2 Power Plants. In: INTERNATIONAL NUCLEAR ATLANTIC CONFERENCE, October 21-25, 2019, Santos, SP. Proceedings... Rio de Janeiro: Associação Brasileira de Energia Nuclear, 2019. p. 492-495. Disponível em: http://repositorio.ipen.br/handle/123456789/30392. Acesso em: 30 Dec 2025.
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