Abstract
A simple method is described for the determination of radioruthenium. A solution containing radioruthenium is placed in a conical flask with small amounts of sulfuric acid, silver nitrate, and potassium periodate. The mouth of the flask is covered with a thin polyethylene film, which is fixed with a soft rubber band, and the flask is heated for 2 hrs on a water bath. Radioruthenium is oxidized to tetroxide, evaporated by steam-distillation, and fixed quantitatively on the inner surface of the polyethylene film as a firm black stain. Contamination ratios of other nuclides are under 2·10−4.
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Koda, Y. Determination of radioruthenium using a polyethylene film. J. Radioanal. Chem. 6, 345–357 (1970). https://doi.org/10.1007/BF02513963
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DOI: https://doi.org/10.1007/BF02513963