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Recuperação de 241Am de para-raios e detectores de fumaça
Author(s) -
Almir Faria Clain,
Josilto Oliveira de Aquino,
Maria de Lourdes Freitas Domingues
Publication year - 1999
Publication title -
química nova
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.214
H-Index - 73
eISSN - 1678-7064
pISSN - 0100-4042
DOI - 10.1590/s0100-40421999000500010
Subject(s) - americium , impurity , materials science , extraction (chemistry) , nuclear chemistry , physics , chemistry , actinide , chromatography , quantum mechanics
A method is described for recovering and purifying 241Am from lightning-conductors and smoke detectors. The method is based on the precipitation of silver, as AgCl, the main impurity, and extraction of americium with TBP. Further purification with ion-exchange resin is also used. The results have shown that by this method the americium is obtained with high purity

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