Abstract
A method of efficiency calibration for the measurement of 88Kr and 138Xe by HPGe γ-spectrometer is proposed in the present paper. The question for the efficient calibration is, how to achieve homogeneous sources of 88Kr-88Rb and 138Xe-138Cs. The fission product gases were obtained by irradiating a precisely measured amount of U3O8 (90% 235U) filled in a quartz glass ampoule. Source cell was first filled up with stearic acid, and then the fission product gases were charged into it. Xenon and krypton are not adsorbed on stearic acid, therefore, homogeneous sources of 88Kr-88Rb and 138Xe-138Cs can be prepared. The results of the experiment demonstrate that the method is feasible and successful.
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Chen, Z.Y., Xie, F., Wang, X.H. et al. Preparation of calibration sources of 88Kr and 138Xe for HPGe detector. J Radioanal Nucl Chem 273, 257–261 (2007). https://doi.org/10.1007/s10967-007-0745-5
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DOI: https://doi.org/10.1007/s10967-007-0745-5