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Simplified measurement method for dissolved radio-Cs in litter and soil seepage water using copper-substituted Prussian blue.
- Source :
-
Chemosphere . Nov2016, Vol. 163, p234-241. 8p. - Publication Year :
- 2016
-
Abstract
- We developed a simple and rapid method for detecting dissolved radio-Cs in litter and/or soil seepage water using nonwoven fabrics impregnated with copper-substituted Prussian blue (Cu-NF). In laboratory and field experiments, litter and/or soil seepage water including dissolved radio-Cs were passed through traditional lysimeter systems combined with seven sheets of the Cu-NF. We then examined the recovery ratios of dissolved 137 Cs in the Cu-NF. In the laboratory experiments with faster flow rates (11–2200 mm h −1 ), over 86% of the total dissolved 137 Cs in litter seepage water was detected in the Cu-NF and over 82% of the collected 137 Cs was present in the first three sheets. In the field experiments, 99% of the total dissolved 137 Cs litter seepage water was collected in the Cu-NF and more than 96% of the collected 137 Cs was present in the first three sheets. Furthermore, the recovery ratio of dissolved 137 Cs increased with increasing installation Cu-NF length, probably because the packed soil in the Cu-NF lysimeter become more stable over time. Finally, because only the Cu-NF is measured, it is not necessary to undertake traditional measurement preparations such as filtration to remove particulate radio-Cs materials and evaporative concentration for low concentration of radio-Cs. As a result, we can save time and effort in measurement preparation by using the Cu-NF lysimeter method. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 00456535
- Volume :
- 163
- Database :
- Academic Search Index
- Journal :
- Chemosphere
- Publication Type :
- Academic Journal
- Accession number :
- 118077356
- Full Text :
- https://doi.org/10.1016/j.chemosphere.2016.08.010