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  • Title: [Simple method for producing 13NN and 15OO by proton bombardment of aqueous phase (author's transl)].
    Author: Iwata R, Suzuki K, Ido T, Tamate K, Yoshikawa K, Kasida Y.
    Journal: Radioisotopes; 1978 Oct; 27(10):563-7. PubMed ID: 740919.
    Abstract:
    A simple method has been developed for the production of 13NN and 15OO by proton irradiation of aqueous solutions. 90 mCi of 13NN was obtained in a 200 ml. of He by using 1.0M NH4CI solution at pH 11 as the target with 10 min irradiation of 15 MeV, 10 microamperemeter protons. 80 mCi/min of 15OO was continuously obtained in a 200 ml of O2 by using pure water as the target with 40 MeV, 2 microamperemeter protons. The radiochemical purity of these short-lived radioactive gases obtained by this method was greater than 99.9% by passing through a single absorber.
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