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首页> 外文期刊>Radiochemistry >Potential Use of an Irradiated Natural Tin Target for Preparation of a Mixed Sealed Source Based on 12-Tungstocerate Gel Matrix for Radiometric Calibration Purposes
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Potential Use of an Irradiated Natural Tin Target for Preparation of a Mixed Sealed Source Based on 12-Tungstocerate Gel Matrix for Radiometric Calibration Purposes

机译:辐照天然锡靶潜在地用于制备基于十二钨酸盐凝胶基质的混合密封源以进行辐射定标

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摘要

Irradiated natural tin target and 12-tungstocerate gel matrix were used for preparing a ~(113)Sn and ~(124,125)Sb sealed source. The distribution coefficients of ~(113)Sn/~(113m)In and ~(124,125)Sb ions on 12-tungstocerate gel matrix were determined in relation to HCl concentration. 12-Tungstocerate gel matrix was loaded with ~(113)Sn/~(113m)In and ~(124,125)Sb by equilibrating an irradiated Sn(IV) solution with 0.5 g of the matrix at pH 1 (HCl) for 24 h at 25 ± 1℃. A mixed sealed source of ~(113)Sn/~(113m)In and ~(124,125)Sb was prepared by packing 105 mg of the loaded matrix in the cylindrical cavity of a Chinese artelone capsule. The activity of the source was in the millicurie range. The source successfully passed quality control tests.
机译:用辐照的天然锡靶和12-钨钨酸盐凝胶基质制备〜(113)Sn和〜(124,125)Sb密封源。确定了相对于HCl浓度而言,〜(113)Sn /〜(113m)In和〜(124,125)Sb离子在12钨硬质凝胶基质上的分布系数。通过在0.5 pH的pH 1(HCl)下用0.5 g的基质平衡辐照的Sn(IV)溶液24 h,在12-钨酸盐凝胶基质中加载〜(113)Sn /〜(113m)In和〜(124,125)Sb。 25±1℃。 〜(113)Sn /〜(113m)In和〜(124,125)Sb的混合密封源是通过将105 mg负载的基质填充在中国青蒿素胶囊的圆柱腔中制备的。源的活性在毫厘范围内。消息来源成功通过了质量控制测试。

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