Complexation by Organic Matter Controls Uranium Mobility in Anoxic Sediments

Uranium contamination threatens the availability of safe and clean drinking water globally. This toxic element occurs both naturally and as a result of mining and ore-processing in alluvial sediments, where it accumulates as tetravalent U [U(IV)], a form once considered largely immobile. Changing h...

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Veröffentlicht in:	Environmental Science & Technology 2020-02, Vol.54 (3), p.1493-1502
Hauptverfasser:	Bone, Sharon E, Cliff, John, Weaver, Karrie, Takacs, Christopher J, Roycroft, Scott, Fendorf, Scott, Bargar, John R
Format:	Artikel
Sprache:	eng
Schlagworte:	Clay Clay minerals Drinking water Fractionation Geologic Sediments Groundwater Hydrology Mass spectrometry Mass spectroscopy Microorganisms Minerals Mining Mobility Organic carbon Organic chemistry Organic matter Particulate organic carbon Secondary ion mass spectrometry Sediment pollution Sediments Uranium Water Pollutants, Radioactive X ray microscopy
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