Studies on extraction of thorium from nitrate solutions with quaternary ammonium halides

Thorium can be quantitatively extracted with 0.1 M Hyamine 1622 in dichloroethane from 0.25 M nitric acid/2 M sodium nitrate and stripped from the organic phase with 0.1 M sulphuric acid. The equilibration takes 20 min. Thorium can thus be separated from a large number of elements which are usually...

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Bibliographic Details
Published in:Talanta (Oxford) 1984-08, Vol.31 (8), p.627-629
Main Authors: El-Yamani, I.S., Shabana, E.I.
Format: Article
Language:English
Subjects:
Applied sciences
Chemistry
Energy
Exact sciences and technology
Fuels
Inorganic chemistry and origins of life
Kinetics and mechanism of reactions
Nuclear fuels
Radioactive ore
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Summary:Thorium can be quantitatively extracted with 0.1 M Hyamine 1622 in dichloroethane from 0.25 M nitric acid/2 M sodium nitrate and stripped from the organic phase with 0.1 M sulphuric acid. The equilibration takes 20 min. Thorium can thus be separated from a large number of elements which are usually associated with it in monazite and in fission products of nuclear fuel.
ISSN:0039-9140
1873-3573
DOI:10.1016/0039-9140(84)80184-8