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The 240Pu/239Pu atom ratio in Chinese soils

Huang, Ya-nan; Tims, Stephen; Froehlich, Michaela; Pan, Shaoming; Fifield, Leslie; Pavetich, Stefan; Koll, Katinka


The 240Pu/239Pu atom ratio is a very effective tool for the identification of the origin of plutonium (Pu) in the soil environment. We examine a dataset of 240Pu/239Pu atom ratios determined from surface and core soils at 240 sites across China. The data were compiled from 18 separate literature sources from the last 20 years. For the first time the spatial distribution (3 latitude bands and 7 natural regions) of the weighted average 240Pu/239Pu atom ratios in Chinese soils is investigated. An...[Show more]

CollectionsANU Research Publications
Date published: 2019-08-15
Type: Journal article
Source: Science of the Total Environment
DOI: 10.1016/j.scitotenv.2019.04.251


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