Direct determination of uranium in sintered deeply depleted uranium oxide pellets by wavelength dispersive X-ray fluorescence spectrometry

被引：0
|
作者：
A. Pandey
S. Dhara
F. A. Khan
A. Kelkar
R. Yadav
Pradeep Kumar
D. B. Sathe
R. B. Bhatt
P. G. Behere
机构：
[1] Bhabha Atomic Research Centre,Fuel Fabrication
[2] Bhabha Atomic Research Centre,Fuel Chemistry Division
[3] Homi Bhabha National Institute,Integrated Fuel Fabrication Facility
[4] Bhabha Atomic Research Centre,Radiometallurgy Division
[5] Bhabha Atomic Research Centre,undefined
来源：
Journal of Radioanalytical and Nuclear Chemistry | 2020年 / 323卷
关键词：
Deeply depleted UO; Sintered pellets; WDXRF; Uranium determination;
D O I：
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中图分类号：
学科分类号：
摘要：
This paper presents studies on direct non-destructive determination of uranium in sintered deeply depleted (DD) uranium oxide (UO2) pellets by wavelength dispersive X-ray fluorescence (WDXRF) spectrometry. A special collet was designed and fabricated for holding the sintered DDUO2 pellets for direct analysis, thus avoiding the sample preparation steps. The samples were analyzed using a calibration plot obtained from WDXRF spectra of matrix matched calibration standards. The WDXRF determined uranium values were found to be in very close agreement with titrimetric values and has reproducibility better than 0.05% (RSD, 1 s, n = 10) for the sintered DDUO2 pellets having U: 86.81–88.04 wt%.
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页码：275 / 281
页数：6
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