Preparedness for a nuclear accident: removal of radioiodine from soil by chemical processing
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- 作者：Brett L. Rosenberg ; Georg Steinhauser
- 关键词：Carrier effect ; Decontamination ; Soil ; Hydrogen peroxide ; Radioiodine ; Soil organic matter
- 刊名：Journal of Radioanalytical and Nuclear Chemistry
- 出版年：2016
- 出版时间：March 2016
- 年：2016
- 卷：307
- 期：3
- 页码：1765-1769
- 全文大小：547 KB
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Georg Steinhauser (1) (2)
1. Environmental and Radiological Health Sciences, Colorado State University, 1618 Campus Delivery, Fort Collins, CO, 80523, USA
2. Institut für Radioökologie und Strahlenschutz, Leibniz Universität Hannover, 30419, Hannover, Germany - 刊物类别：Chemistry and Materials Science
- 刊物主题：Chemistry
Nuclear Chemistry
Physical Chemistry
Nuclear Physics, Heavy Ions and Hadrons
Diagnostic Radiology
Inorganic Chemistry - 出版者：Akad茅miai Kiad贸, co-published with Springer Science+Business Media B.V., Formerly Kluwer Academic
- ISSN：1588-2780
文摘
Processing environmental samples for analysis can result in loss of target or bystander radionuclides. Removal of carrier-free 131I from soil samples by chemical processes was evaluated in the presence and absence of iodide carrier, H2O2, and AgNO3. Soil samples spiked with 131I and 134Cs tracer were boiled under reflux for 30 min in HNO3 and combinations of aforementioned reagents. Spectroscopic analysis revealed the greatest removal of radioiodine (45 ± 1 %) was achieved using AgNO3 and carrier; the lowest (7 ± 1 %) was achieved by refluxing with H2O2 and HNO3. The results quantify the effect of iodide carrier and suggest the preferential interaction of H2O2 with iodide instead of soil organic matter.