改进的用于测量空气中放射性氙的加压马利内利烧杯法
Improved pressurized Marinelli beaker measurements of radioactive xenon in air.
作者信息
Robinson Troy, Mann Nick, Houghton Tracy, Watrous Matthew, Peterson John, Fabian Paul, Hipp Pat, Reavis Mark, Fernandez Francisco
机构信息
Idaho National Laboratory Global Security and International Safeguards Group, 2525 Fremont Ave, Idaho Falls, ID 83415, USA.
Idaho National Laboratory Global Security and International Safeguards Group, 2525 Fremont Ave, Idaho Falls, ID 83415, USA.
出版信息
Appl Radiat Isot. 2017 Aug;126:20-22. doi: 10.1016/j.apradiso.2016.12.042. Epub 2017 Jan 4.
INL has shown that a Marinelli beaker geometry can be used for the measurement of radioactive xenon in air using an aluminum Marinelli. A carbon fiber Marinelli was designed and constructed to improve overall performance. This composite Marinelli can withstand sample pressures of 276bar and achieve approximately a 4x performance improvement in the minimum detectable concentrations (MDCs) and concentration uncertainties. The MDCs obtained during a 24h assay for Xe, Xe, and Xe are: 1.4, 13, and 0.35Bq/m.
爱达荷国家实验室（INL）表明，马林内利烧杯几何形状可用于使用铝制马林内利装置测量空气中的放射性氙。设计并制造了一种碳纤维马林内利装置以提高整体性能。这种复合马林内利装置能够承受276巴的样品压力，并在最低可检测浓度（MDC）和浓度不确定度方面实现了约4倍的性能提升。在对氙-133、氙-135和氙-138进行24小时分析期间获得的最低可检测浓度分别为：1.4、13和0.35贝克勒尔/立方米。
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