Authors:
K. Bunzl Institut für Strahlenschutz Forschungszentrum für Umwelt und Gesundheit Oberschleißheim Postfach 1129 D-85758 Neuherberg Germany

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W. Kracke Institut für Strahlenschutz Forschungszentrum für Umwelt und Gesundheit Oberschleißheim Postfach 1129 D-85758 Neuherberg Germany

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Abstract  

A radiochemical separation procedure has been developed for a very efficient isolation of plutonium from environmental samples. Essentially, the method involves the following steps: ashing of the sample and preparation of the load solution; separation of plutonium by a column containing a commercially available, highly specific, supported extractant; electrodeposition of Pu and subsequent -spectrometry. Detailed procedures are reported for liver samples and for soil. The modifications necessary for sample sizes above 5 g dry weight and up to 200 g are also given. Recoveries of added tracers are 60–70%. The precision of the method is <10% (RSD). The accuracy was examined by analyzing also certified standard reference materials. Due to the very efficient isolation of Pu, the resulting -spectrum is virtually free of interfering -emitters of Th and U.

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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)