Extraction of tungsten and rhenium by basic or neutral extractants in xylene from mineral acidic media |
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| Authors: | R Shabana S M Khalifa S Abdalla H F Aly |
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| Institution: | (1) Nuclear Chemistry Department and Hot Laboratory Centre, Atomic Energy Establishment, P.O. 13759, Cairo, Egypt |
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| Abstract: | Extraction of WO
4
2–
and ReO
4
–
by Adogen-381, tricaprylmethylammonium chloride, Hyamine 10-X, trioctylphosphine oxide or dibenzylsulphoxide in xylene from HNO3, HCl or H2SO4 acid medium was investigated. Based on the separation factors obtained, the separation of ReO
4
–
from WO
4
2–
was elucidated. ReO
4
–
was separated from WO
4
2–
in high radiochemical purity: >99.9% by three successive extractions and strippings using Adogen-381 from HCl or HNO3 acid medium. |
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| Keywords: | |
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