Retention profile and chromatographic separation of Y3+ from Sr2+ by Chelex-100 (cation ion exchanger) physically immobilized with ammonium ion

Y 3+ retention from aqueous media onto Chelex-100 sorbent impregnated with ammonium nitrate was studied. Y 3+ uptake was rapid, reached maximum within 40 min and followed pseudo first order equation. Modified Chelex100 sorbent was successfully packed in column for separation of 90 Y from its parent...

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Bibliographic Details
Published in:Journal of radioanalytical and nuclear chemistry 2016-11, Vol.310 (2), p.875-882
Main Authors: El-Shahawi, M. S., Kadi, M. W., El-Kholy, S. H., Eweda, N.
Format: Article
Language:English
Subjects:
Ammonium nitrate
Aqueous solutions
Cation exchanging
Chemistry
Chemistry and Materials Science
Diagnostic Radiology
Diethylenetriamine pentaacetic acid
Hadrons
Heavy Ions
Inorganic Chemistry
Ion exchangers
Linear equations
Nuclear Chemistry
Nuclear Physics
Physical Chemistry
Radiochemical analysis
Radioisotopes
Retention
Separation
Sorbents
Strontium 90
Yttrium isotopes
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Summary:Y 3+ retention from aqueous media onto Chelex-100 sorbent impregnated with ammonium nitrate was studied. Y 3+ uptake was rapid, reached maximum within 40 min and followed pseudo first order equation. Modified Chelex100 sorbent was successfully packed in column for separation of 90 Y from its parent 90 Sr. The method was based upon retention of Y 3+ at pH 1.0 onto sorbent packed column in aqueous diethylenetriaminepentaacetic acid (DTPA). Y 3+ species were recovered with HNO 3 and analyzed. The radiochemical and radionuclide purity of 90 Y in the eluate were ascertained. The method is low cost and provides rapid approach for separation of Y 3+ from Sr 2+ .
ISSN:0236-5731
1588-2780
DOI:10.1007/s10967-016-4818-1