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AbstractAbstract
[en] The extraction of 10-2M zirconium by TBP 30% V/V in dodecane from nitric acid solutions is studied as a function of the following parameters : nitric acid concentration, temperature and the presence of radiolytic degradation products of the organic phase. For this study natural zirconium is irradiated in order to obtain Zr-95, used as a tracer. The experimental results are discussed considering the displacement of the equilibrium in the systems studied as a function of different experimental variables. (Author)
[pt]
Estuda-se a extracao do zirconio em concentracao 10-2M em solucao de acido nitrico pelo TBP 30% V/V em dodecano, em funcao dos seguintes parametros : concentracao de acido nitrico, temperatura e a presenca de produtos de degradacao radiolitica da fase organica. Para este fim irradiou-se zirconio natural tendo-se usado o Zr-95 como radiotracador. Os resultados sao discutidos considerando-se o deslocamento do equilibrio nos sistemas estudados, em funcao da variacao dos diferentes parametros envolvidos. (Autor)Original Title
Comportamento do zirconio em meio nitrico na extracao com TBP 30% V/V em dodecano
Primary Subject
Secondary Subject
Source
Oct 1979; 79 p; Tese (M.Sc.).
Record Type
Miscellaneous
Literature Type
Thesis/Dissertation
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ALKANES, BETA DECAY RADIOISOTOPES, BETA-MINUS DECAY RADIOISOTOPES, BUTYL PHOSPHATES, CHEMICAL RADIATION EFFECTS, CHEMICAL REACTIONS, DAYS LIVING RADIOISOTOPES, DECOMPOSITION, ELEMENTS, ESTERS, EVEN-ODD NUCLEI, HYDROCARBONS, HYDROGEN COMPOUNDS, INORGANIC ACIDS, INTERMEDIATE MASS NUCLEI, ISOTOPES, METALS, NITROGEN COMPOUNDS, NUCLEI, ORGANIC COMPOUNDS, ORGANIC PHOSPHORUS COMPOUNDS, OXYGEN COMPOUNDS, PHOSPHORIC ACID ESTERS, RADIATION EFFECTS, RADIOISOTOPES, SEPARATION PROCESSES, TRANSITION ELEMENTS, ZIRCONIUM ISOTOPES
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