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本文介绍了生产~(153)Gd骨密度计源的原理、工艺和结果。采用天然Eu_2O_3作靶材料,汞阴极电解法分离得的~(153)Gd,经压制、烧结法制成源芯体。源的活度>3.7×10~10Bq,放射性核纯度>99.99%。
This article describes the principle, process and results of the ~ (153) Gd source. Using the natural Eu_2O_3 as target material, mercury cathode electrolysis separation of ~ (153) Gd, by pressing, sintering source core. Source activity> 3.7 × 10 ~ 10Bq, radioactive nuclear purity> 99.99%.