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Development of 148Gd analysis method using stable Gd
Grzegorz Olszewski1, Patric Lindahl2, Peter Frisk2
1Linköping University, Department of Health, Medicine and Caring Sciences, Division of Diagnostics and Specialist Medicine, 581 83, Linköping, Sweden; Swedish Radiation Safety Authority, Solna strandväg 96, 171 54, Solna, Sweden; University of Gdańsk, Faculty of Chemistry, Department of Environmental Chemistry and Radiochemistry, Laboratory of Toxicology and Radiation Protection, Wita Stwosza 63, 80-308, Gdańsk, Poland.
Abstract:
The analytical method of Gd determination was developed with the aim to analyse 148Gd in environmental and bioassay samples. It involves the use of anion exchange resin, extraction chromatography, and cation exchange resin. Alkaline fusion and calcium oxalate co-precipitation are used for solid samples dissolution and liquid samples preconcentration, respectively. Total method recovery was tested with natural Gd (157Gd) using ICP-QQQ-MS. A maximum total recovery of 75 % was obtained.
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