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可追溯表面源的新生产方法通过功能化

D Tüzün¹, L Chambon¹, Y Kergadallan¹

¹Université Paris-Saclay, CEA, List, Laboratoire National Henri Becquerel (LNE-LNHB), F-91120, Palaiseau, France.

Applied radiation and isotopes : including data, instrumentation and methods for use in agriculture, industry and medicine

|October 7, 2023

概括

开发灵活的,大面积的放射性表面源对于在核废弃期间准确检测低水平放射性至关重要. 功能化的片提供了一个代表性的校准解决方案,提高了安全性和效率.

科学领域:

核电退役核电退役核电退役核电退役
开发放射性源的开发工作
表面功能化的功能化.

背景情况:

准确检测低水平的放射性是有效核退役的必要条件.
现有的商业校准源由于其平面,往往不具有代表性.
需要灵活的大面积源来实现现实的校准.

研究的目的:

为阿尔法和β发射器开发灵活和大面积的表面源.
为了使片功能化,以创建具有代表性的放射性校准源.
评估功能化策略,以获得最佳的放射性核素固定和均性.

主要方法:

使用各种策略对片的功能化.
用氧化涂覆片. 用氧化涂覆片. 用氧化涂覆片.
测试美国-241 (241Am) 的固定产量.
根据ISO 8769标准评估源的统一性.

主要成果:

成功开发了功能化的片作为灵活的表面来源.
氧化涂层显示了241Am的最高固定产量 (70.0±2.6%).
开发的源实现了92%的统一性,符合ISO 8769标准.

结论:

功能化片是一种生产具有代表性的放射性表面源的可行方法.
氧化涂层是增强放射性核素固定的有效策略.
这些来源可以提高核退役过程中低水平放射性检测的准确性.

关键词:

Am-241是什么意思 Am-241是什么意思欧洲152欧盟152欧盟大面积的表面来源大面积的表面来源放射性源是一种放射性源.表面功能化的功能化.

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