Determination of uranium in phosphoric acid using neutron activation analysis
Contribuinte(s) |
UNIVERSIDADE DE SÃO PAULO |
---|---|
Data(s) |
18/10/2012
18/10/2012
2009
|
Resumo |
Phosphoric acid is generally obtained from an aqueous process starting with the reaction between phosphate rock and sulphuric acid. Due to their chemical similarity, uranium is usually associated with phosphate rock which during chemical processing is partitioned to phosphoric acid. Uranium determination in this matrix is a very important task because of its ingestion it could lead to radiological impact on the population. Therefore, a procedure was developed using an initial precipitation with calcium hydroxide and evaporation, followed by instrumental neutron activation analysis (INAA). The procedure was applied to analyse fourteen uranium enriched phosphoric acid samples. FAPEMIG-Fundacao de Amparo a Pesquisa do Estado de Minas Gerais |
Identificador |
JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY, v.281, n.2, p.211-213, 2009 0236-5731 http://producao.usp.br/handle/BDPI/17024 10.1007/s10967-009-0116-5 |
Idioma(s) |
eng |
Publicador |
SPRINGER |
Relação |
Journal of Radioanalytical and Nuclear Chemistry |
Direitos |
restrictedAccess Copyright SPRINGER |
Palavras-Chave | #Uranium analysis #INAA #Phosphoric acid #NATURAL RADIOACTIVITY #PHOSPHATE ROCK #PHOSPHOGYPSUM #CONCENTRATE #BRAZIL #Chemistry, Analytical #Chemistry, Inorganic & Nuclear #Nuclear Science & Technology |
Tipo |
article original article publishedVersion |