Autoradiography was used to detect 137Cs-enriched particles in sediment samples. The contributions of 137Cs-enriched particles to 137Cs concentrations in sediment samples ranged from 9% to 64%. These experiments revealed that the variability of 137Cs concentrations was due mainly to the heterogeneous distribution of 137Cs-enriched particles in the samples. Therefore, the heterogeneous distribution of 137Cs-enriched particles is probably one of the main factors responsible for the temporal and spatial variations of 137Cs concentrations in sediment samples.
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Source |
|---|---|
| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6147502 | PMC |
| http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0204289 | PLOS |
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