Secondary radiocesium contamination of agricultural products by resuspended matter

Contamination of agricultural products by resuspended matter remains a concern in the highly contaminated areas. Radiocesium concentration of spinach cultivated with non-contaminated soil was low in the decontaminated areas, but high in the contaminated areas. The washed plants had relatively lower...

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Bibliographic Details
Published in:Journal of radioanalytical and nuclear chemistry 2018-10, Vol.318 (1), p.341-346
Main Authors: Nihei, N., Yoshimura, K., Okumura, T., Tanoi, K., Iijima, K., Kogure, T., Nakanishi, T. M.
Format: Article
Language:English
Subjects:
Agricultural products
Chemistry
Chemistry and Materials Science
Decontamination
Diagnostic Radiology
Food contamination
Hadrons
Heavy Ions
Inorganic Chemistry
Nuclear Chemistry
Nuclear energy
Nuclear Physics
Physical Chemistry
Soil contamination
Spinach
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Summary:Contamination of agricultural products by resuspended matter remains a concern in the highly contaminated areas. Radiocesium concentration of spinach cultivated with non-contaminated soil was low in the decontaminated areas, but high in the contaminated areas. The washed plants had relatively lower radiocesium concentration than the unwashed plants. Furthermore, the plants cultivated closer to the ground surface tended to have a higher radiocesium concentration than those cultivated farther from the ground. Therefore, it can be concluded that radiocesium found in the spinach leaves derived from resuspended matter in the air. With further analysis, radiocesium in the resuspended matter was confirmed to be present as particles.
ISSN:0236-5731
1588-2780
DOI:10.1007/s10967-018-6063-2