Simultaneous measurements of cosmogenic radionuclides 32P, 33P and 7Be in dissolved and particulate forms in the upper ocean

A technique to determine concentrations of 32 P, 33 P and 7 Be in dissolved and particulate forms, in the upper ocean was developed. By using a large volume in situ filtration and concentration system (LV-FiCS), several tons of seawater at different depths were filtered concurrently through two kind...

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Bibliographic Details
Published in:Journal of radioanalytical and nuclear chemistry 2009-03, Vol.279 (3), p.769-776
Main Authors: Nakanishi, T., Kusakabe, M., Aono, T., Yamada, M.
Format: Article
Language:English
Subjects:
Chemistry
Chemistry and Materials Science
Diagnostic Radiology
Hadrons
Heavy Ions
Inorganic Chemistry
Nuclear Chemistry
Nuclear Physics
Physical Chemistry
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Summary:A technique to determine concentrations of 32 P, 33 P and 7 Be in dissolved and particulate forms, in the upper ocean was developed. By using a large volume in situ filtration and concentration system (LV-FiCS), several tons of seawater at different depths were filtered concurrently through two kinds of filters. The dissolved radionuclides were concentrated onto adsorbents in the LV-FiCS. The radionuclides obtained were further purified by precipitation and ion-exchange chromatography, and quantified by gamma-spectrometry and ultra-low level liquid scintillation counter measurements. The technique was used with good results in a coastal area of Ibaraki, Japan.
ISSN:0236-5731
1588-2780
DOI:10.1007/s10967-008-7374-5