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Article Dans Une Revue Science of the Total Environment Année : 2019

Worldwide occurrence and origin of perchlorate ion in waters: A review

Résumé

Perchlorate (ClO4-) is a persistent water soluble oxyanion of growing environmental interest. Perchlorate contamination can be a health concern due to its ability to disrupt the use of iodine by the thyroid gland and the production of metabolic hormones. Its widespread presence in surface water and groundwater makes the aquatic environment a potential source of perchlorate exposure. However, the amount of published data on perchlorate origins and water contamination worldwide remains spatially limited. Here, we present an overview of research on perchlorate origins and occurrences in water, and the methodology to distinguish the different perchlorate sources based on isotope analysis. All published ranges of isotopic content in perchlorate from different sources are presented, including naturally occurring and man-made perchlorate source types, as well as the effects of isotope fractionation that accompanies biodegradation processes. An example of a case study in France is presented to emphasize the need for further research on this topic. (C) 2019 Elsevier B.V. All rights reserved.
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hal-02380699 , version 1 (20-12-2021)

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Paternité - Pas d'utilisation commerciale

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Feifei Cao, Jessy J. Jaunat, Neil Sturchio, Benjamin Cances, Xavier Morvan, et al.. Worldwide occurrence and origin of perchlorate ion in waters: A review. Science of the Total Environment, 2019, 661, pp.737-749. ⟨10.1016/j.scitotenv.2019.01.107⟩. ⟨hal-02380699⟩
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