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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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Speciation Bioavailability Measurements Environmental Plutonium Diffusion In Thin Films Biological Uptake Aquatic Ecosystems Alpha-particle Emitter Long Half-life Exposure Diffusive Gradients In Thin Films Technique In-situ Measurements Speciation Diffusion Cell Laboratory Experiments Model Solutions Chemical Compositions Oxidation States Redox Chemistry Environmental Behavior Calibration DGT Device Freshwaters Accelerator-based Mass-spectrometry Measurements Karst Spring Mineral Freshwater Environment Biological Transfer
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