Isolation and quantification of 55Fe and 63Ni in reactor effluents using extraction chromatography and liquid scintillation analysis

A novel extraction chromatographic resin based on di isobutyl ketone has been developed for the isolation of 55Fe. This material has been used in conjunction with a dimethylglyoxime-based resin for the sequential separation of 55Fe and 63Ni and isolation of these radionuclides from associated contam...

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Bibliographic Details
Published in:Analytica chimica acta 2006-05, Vol.567 (2), p.277-285
Main Authors: Warwick, P.E., Croudace, I.W.
Format: Article
Language:English
Subjects:
Analytical chemistry
Chemistry
Chromatographic methods and physical methods associated with chromatography
Di isobutylketone
Dimethylglyoxime
Exact sciences and technology
Extraction chromatography
Iron-55
Nickel-63
Other chromatographic methods
Radiochemical methods
Reactor effluents
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Summary:A novel extraction chromatographic resin based on di isobutyl ketone has been developed for the isolation of 55Fe. This material has been used in conjunction with a dimethylglyoxime-based resin for the sequential separation of 55Fe and 63Ni and isolation of these radionuclides from associated contaminants. The preparation and characterisation of these resins is described along with an assessment of their performance for the isolation of 55Fe and 63Ni from a mixture of nuclear activation products. In addition, a refined approach for the measurement of these nuclides by liquid scintillation counting is discussed. The findings of these studies have been combined to develop a robust procedure for the analysis of 55Fe and 63Ni in reactor effluents which is now the preferred method for a number of UK analytical laboratories.
ISSN:0003-2670
1873-4324
DOI:10.1016/j.aca.2006.03.043