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Testing of a prototype of calibration facility for noble gas monitoring using 41Ar

机译:使用41Ar测试用于惰性气体监测的校准设施的原型

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摘要

A prototype of a calibration facility for noble gas monitoring using 41Ar in the PTKMR-BATAN has been tested. The facility was designed in such a way that the standard source of gas can be reused. The radioactive 41Ar source was obtained by thermal neutron reaction of 40Ar(n, γ) 41Ar using a thermal neutron flux of 4.8×10 13 neutrons per cm 2 per second in two minutes on the multipurpose G.A. Siwabessy Reactor (Batan, Serpong, Indonesia). Gamma spectrometry was used to measure the radioactivity and purity of 41Ar. The spectrum of the 41Ar observed yields an energy of 1294keV because of the highest intensity (99.2%). The activity of 41Ar was 2821kBq and 4% of the expanded uncertainty. The time required for 41Ar to reach homogeneity was 7min, and the effectiveness of resuse was 53%.
机译:已测试了使用PTKMR-BATAN中的41Ar进行惰性气体监测的校准设施的原型。该设施的设计方式是可以重复使用标准气源。放射性41Ar源是通过在多用途G.A上在两分钟内使用4.8×10 13中子/ cm 2每秒的热中子通量使40Ar(n,γ)41Ar进行热中子反应而获得的。 Siwabessy反应堆(印度尼西亚,印度尼西亚Serpong的Batan)。伽马能谱仪用于测量41Ar的放射性和纯度。由于强度最高(99.2%),观察到的41Ar光谱产生的能量为1294keV。 41Ar的活性为2821kBq,是扩展不确定度的4%。 41Ar达到均质所需的时间为7分钟,重用效率为53%。

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