A 81Rb/81mKr generator made by ion implantation |
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| Affiliation: | 1. LEGOS, Laboratoire d''Etudes en Géophysique et Océanographie Spatiales (Université de Toulouse, CNRS/CNES/IRD/UPS), Observatoire Midi Pyrénées, 14 Avenue Edouard Belin, 31400 Toulouse, France;2. Division of Marine Science, University of Southern Mississippi, Stennis Space Center, MS 39529, USA;3. Department of Marine Chemistry and Geochemistry, Woods Hole Oceanographic Institution, Woods Hole, MA 02543, USA |
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| Abstract: | Isotopically pure 81Rb was implanted in plastic foils, and the daughter-81mKr was eluted quantitatively by air or by a 0.9% NaCl solution. The elution yield, the purity of the 81mKr, and the washing-out losses of 81Rb were studied as functions of the implantation density. It was seen that the densities below 5 × 1012 Rb atoms/cm2 provide a high yield for elution both by liquid and air. The first 100 MBq implantation-type generator was tested by making a lung-ventilation study in man. |
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