~(68)Ge校正源的制备工艺

Journal of Nuclear and Radiochemistry(2013)

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Abstract
采用胶体法制备用于正电子发射型计算机断层显像(PET)衰减校正的68Ge校正源。将环氧树脂与放射性68Ge溶液均匀混合,蒸发掉其中的水分,然后装入、密封在不锈钢管内制备成68Ge校正源。对制备的68Ge校正源进行了质量检验,实验结果表明,68Ge校正源密封良好无泄露、表面无污染、活性区活度分布均匀性小于±5%,各项技术指标达到国外同类产品的水平。
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Key words
epoxy,68Ge calibration source,activity uniformity,PET
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