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  • 1 University of Pannonia Department of Radiochemistry 8200 Veszprém P.O. Box: 158 Pannonia Hungary
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Abstract  

In this paper, methodology and applicability of the in situ radiotracer “thin gap” method are presented and discussed via some studies of Cr(VI) electroreduction on Pt electrode by measuring the low energy (E = 4.90 keV) X-rays of 51Cr used for labeling. Two types of scintillators, 2 mm thick β-plastic and 300 μm thick CaF2(Eu), were tested for nuclear detection. The plastic scintillator cannot be utilized for selective measurement of the soft X-rays emitted by 51Cr, hence, it does not allow us the estimation of the surface excess of chromium containing species on Pt electrode. In contrast to this, CaF2(Eu) is suitable for selective detection of low-energy X-rays; therefore, the radioelectrochemical cell equipped with the latter detector provides very promising measuring conditions for the extension of the radiotracer “thin gap” method towards application of the low-energy X-ray emitters.

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Journal of Radionalytical and Nuclear Chemistry
Language English
Size A4
Year of
Foundation
1968
Volumes
per Year
1
Issues
per Year
12
Founder Akadémiai Kiadó
Founder's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible
Publisher
Chief Executive Officer, Akadémiai Kiadó
ISSN 0236-5731 (Print)
ISSN 1588-2780 (Online)