Journal of Radioanalytical and Nuclear Chemistry
Volume/Issue:
Volume 283: Issue 3
Improvements on the method for determining of 210Pb and 210Po in lead
Authors:
Masaki Uesugi Kanazawa University Division of Material Sciences, Graduate School of Natural Science and Technology Kanazawa Japan

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Masayasu Noguchi Japan Chemical Analysis Center Chiba Japan

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Akihiko Yokoyama Kanazawa University Faculty of Chemistry, Institute of Science and Engineering Kanazawa Japan

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Takashi Nakanishi Kanazawa University Faculty of Chemistry, Institute of Science and Engineering Kanazawa Japan

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Pages:
577–584
Online Publication Date:
08 Jan 2010
Publication Date:
01 Mar 2010
Article Category:
Research Article
DOI:
https://doi.org/10.1007/s10967-009-0440-9
Keywords:
210Pb; 210Po; 209Po; DDTC extraction; EDTA masking; Electrodeposition; Alpha-spectrometry; Eco-friendly
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Abstract  

An improved method is proposed to determine the content of 210Pb in lead using 210Po measured by alpha-ray spectrometry. This improved method, which is based on radiochemical separation by DDTC–toluene extraction, employs EDTA and citrate as masking reagents for the lead ions. To selectively extract polonium from an alkaline solution, the pH dependency was examined using a liquid scintillation counting method. And pH 9 was chosen as an extraction condition. Then 210Po was electrodeposited on a stainless steel disk, and the chemical recovery was followed by 209Po tracer. The effectiveness of the new method was validated by the agreement with the analytical results from five samples as determined by gamma-ray spectrometry.

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Cover Journal of Radioanalytical and Nuclear Chemistry
Journal of Radioanalytical and Nuclear Chemistry
Print ISSN:
0236-5731
Online ISSN:
1588-2780

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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)

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