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Speciation and Bioavailability Measurements of Environmental Plutonium Using Diffusion in Thin Films
 

Speciation and Bioavailability Measurements of Environmental Plutonium Using Diffusion in Thin Films

Article DOI: 10.3791/53188-v • 12:22 min • November 9th, 2015
November 9th, 2015 •
1, 2, 3, 1, 1
1Institute of Radiation Physics, Lausanne University Hospital, 2Federal Office of Public Health, Bern, Switzerland, 3Laboratory of Ion Beam Physics, ETH Zurich

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The technique of diffusive gradients in thin films (DGT) is proposed for speciation studies of plutonium. This protocol describes diffusion experiments probing the behavior of Pu(IV) and Pu(V) in presence of organic matter. DGTs deployed in a karstic spring allow assessment of the bioavailability of Pu.

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Keywords: Plutonium Bioavailability Speciation Diffusion In Thin Films DGT Oxidation States Redox Chemistry Freshwater Environment Mass Spectrometry
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