Journal of Radioanalytical and Nuclear Chemistry
Volume/Issue:
Volume 293: Issue 3
New approaches for the separation and determination of americium in soil samples using short column chromatography and alpha spectroscopy
Authors:
H. Salar Amoli

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and
J. Barker School of Pharmacy and Chemistry, University of Kingston, Surrey, KT1 2EE UK

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Pages:
731–734
Online Publication Date:
24 May 2012
Publication Date:
01 Sep 2012
Article Category:
Research Article
DOI:
https://doi.org/10.1007/s10967-012-1846-3
Keywords:
Americium; Alpha spectroscopy; Short column chromatography; Separation; Determination
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Abstract  

This paper describes new approaches to digestion, accurate separation and determination of americium in soil samples by alpha spectrometry. The soil samples were obtained from surface and at a depth of 40 cm in a residential area. They were digested on a hot plate or in closed vessels heated in a microwave oven. The effect of decomposition methods on accuracy and reproducibility has been investigated. An extraction chromatography column is used to separate the americium from other actinide elements and interfering substances in the soil matrix. Prior to the determination of very low amounts of americium (100 ng g−1), electrodeposition at a current of 800 mA and a plating time of 150 min in the pH range of 2–3 has been applied. The typical recovery of Am from the samples is 88 % when dissolution occurs in a microwave oven. This is higher than the typical recovery of 83 % that is observed when the samples are heated on a hot plate.

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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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