SPECTROSCOPY STUDY OF ARSENITE [AS(III)] OXIDATION ON MN-SUBSTITUTED GOETHITE
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dc.contributor.author | Sun X. | |
dc.contributor.author | Doner H.E. | |
dc.contributor.author | Zavarin M. | |
dc.date.accessioned | 2021-01-12T11:09:45Z | |
dc.date.available | 2021-01-12T11:09:45Z | |
dc.date.issued | 1999 | |
dc.identifier | https://elibrary.ru/item.asp?id=13786583 | |
dc.identifier.citation | Clays and Clay Minerals, 1999, , 4, 474-480 | |
dc.identifier.issn | 0009-8604 | |
dc.identifier.uri | https://repository.geologyscience.ru/handle/123456789/22763 | |
dc.description.abstract | Abstraet~Mn-substituted goethite was synthesized and the interaction between arsenite (As(III)) and Mn-substituted goethite was investigated by both solution chemistry and X-ray adsorption near edge structure (XANES) spectroscopy. Results indicate that the oxidation of As(III) is favored by Mn- substituted goethite. This reaction was more sensitive to temperature than to pH. Different reaction mechanisms may account for As(III) oxidation. Since As(III) is more mobile and toxic than As(V), the oxidation reaction of As(liD with Mn-substituted goethite may decrease arsenic toxicity under some conditions. | |
dc.title | SPECTROSCOPY STUDY OF ARSENITE [AS(III)] OXIDATION ON MN-SUBSTITUTED GOETHITE | |
dc.type | Статья |
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