Abstract：
:This work studied interactions of uranium with pure organic compounds, such as glutathione, and more complex mixtures, such as humic acid and aqueous plant extracts. High performance liquid chromatography with UV absorption interfaced to inductively coupled plasma mass spectrometry sequential detection was used to detect organouranium complexes in a variety of soils and plant materials, indicating that nearly 100% of the uranium extracted from certain plant tissues was bound to organic ligands. In addition, soil sorption experiments indicated that humic acid generally decreased uranium sorption to soils and promoted subsequent desorption of uranium because of uranium partitioning to the organic phase. These experiments demonstrate that organic compounds influence the mobility and chemistry of uranium in the environment.
journal_name
Chemospherejournal_title
Chemosphereauthors
Bednar AJ,Medina VF,Ulmer-Scholle DS,Frey BA,Johnson BL,Brostoff WN,Larson SLdoi
10.1016/j.chemosphere.2007.06.032subject
Has Abstractpub_date
2007-12-01 00:00:00pages
237-47issue
2eissn
0045-6535issn
1879-1298pii
S0045-6535(07)00816-8journal_volume
70pub_type
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