Search Results - "Fendorf, S. E."

Fate and Transport of Hexavalent Chromium in Undisturbed Heterogeneous Soil by Jardine, P. M, Fendorf, S. E, Mayes, M. A, Larsen, I. L, Brooks, S. C, Bailey, W. B

“…The disposal of toxic metals [e.g., Cr(VI)] generated by the Department of Energy during the cold war era has historically involved shallow land burial in…”
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Arsenic sorption in phosphate-amended soils during flooding and subsequent aeration by Reynolds, J.G, Naylor, D.V, Fendorf, S.E

“…Phosphate enhances the mobility of As in well-aerated soils by competing for adsorption sites. Phosphate and As may also coexist in large concentrations in…”
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Stability of arsenate minerals in soil under biotically generated reducing conditions by Rochette, E.A. (University of Idaho, Moscow, ID.), Li, G.C, Fendorf, S.E

“…Mining activities and arsenical pesticide applications can introduce arsenate compounds into soils and sediments. Under water-saturated (flooded) soil…”
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Phase Associations and Mobilization of Iron and Trace Elements in Coeur d'Alene Lake, Idaho by Harrington, J. M, LaForce, M. J, Rember, W. C, Fendorf, S. E, Rosenzweig, R. F

“…Sediments of Coeur d'Alene Lake, ID, are heavily contaminated with mine tailings that contain high levels of iron, lead, zinc, arsenic, and other trace…”
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Applications of X-ray absorption fine structure spectroscopy to soils by Fendorf, S.E. (University of Idaho, Moscow, ID.), Sparks, D.L, Lamble, G.M, Kelley, M.J

“…Determining the local chemical environment of a species is often a necessity for evaluating its reactivity in the environment. However, obtaining direct…”
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Effects of Contaminant Concentration, Aging, and Soil Properties on the Bioaccessibility of Cr(III) and Cr(VI) in Soil by Stewart, M. A., Jardine, P. M., Brandt, C. C., Barnett, M. O., Fendorf, S. E., McKay, L. D., Mehlhorn, T. L., Paul, K.

“…Contaminated soils at numerous U.S. Department of Defense, Department of Energy, and other industrial facilities often contain huge inventories of toxic metals…”
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Multispecies transport of metal–EDTA complexes and chromate through undisturbed columns of weathered fractured saprolite by Mayes, M.A, Jardine, P.M, Larsen, I.L, Brooks, S.C, Fendorf, S.E

“…Laboratory-scale tracer experiments were conducted to investigate the geochemical and hydrological processes that govern the fate and transport of organically…”
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Surface Structures and Stability of Arsenic(III) on Goethite:  Spectroscopic Evidence for Inner-Sphere Complexes by Manning, Bruce A, Fendorf, Scott E, Goldberg, Sabine

“…The adsorption and stability of arsenite [As(III)] on goethite (α-FeOOH) was investigated using a combination of standard batch techniques and X-ray absorption…”
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A Laboratory Evaluation of Trace Element Mobility from Flooding and Nutrient Loading of Coeur d'Alene River Sediments by La Force, M. J., Fendorf, S. E., Li, G. C., Schneider, G. M., Rosenzweig, R. F.

“…The main stem (MSCDR) and south fork (SFCDR) of the Coeur d'Alene River, Idaho, are contaminated with heavy metals from many years of mining. To assess the…”
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Kinetics of Chromate Reduction by Ferrous Iron by Fendorf, Scott E, Li, Guangchao

“…Reduction of Cr(VI) to Cr(III) is environmentally favorable as the latter species is not toxic to most living organisms and also has a low mobility and…”
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Competing metal ion influences on Chromium (III) oxidation by birnessite by Fendorf, S.E, Zasoski, R.J, Burau, R.G

“…The oxidation of Cr(III) to Cr(VI) presents a significant environmental hazard due to the much greater mobility and toxicity of Cr(VI). Despite the importance…”
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Electron paramagnetic resonance stopped-flow kinetic study of manganese(II) sorption-desorption on birnessite by Fendorf, S.W, Sparks, D.L, Franz, J.A, Camaioni, D.M

“…Many important reactions involving colloidal suspensions are rapid. Here, we introduce the application of a technique capable or rapidly measuring a reactant…”
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Beidellite in E horizons of northern Idaho spodosols formed in volcanic ash by MCDANIEL, P. A, FALEN, A. L, TICE, K. R, GRAHAM, R. C, FENDORF, S. E

“…While soils formed in tephra are typically dominated by poorly crystalline clay minerals, the occurrence of smectite in E horizons of podzolized soils…”
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Biotic Generation of Arsenic(III) in Metal(loid)-Contaminated Freshwater Lake Sediments by Harrington, James M, Fendorf, Scott E, Rosenzweig, R. Frank

“…Sediments of Coeur d'Alene Lake, ID, are heavily contaminated with mine tailings that contain high levels of arsenic, iron, lead, and other trace elements…”
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Mechanisms of chromium(III) sorption on silica. 2. Effect of reaction conditions by Fendorf, Scott E, Sparks, Donald L

“…A multitude of molecular level experimental techniques were employed to ascertain the chromium(III) surface structure on amorphous silica and reaction…”
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Reaction sequence of nickel(II) with kaolinite: mineral dissolution and surface complexation and precipitation by Eick, M.J. (Virginia Polytechnic Inst. and State Univ., Blacksburg, VA.), Fendorf, S.E

“…The dissolution kinetics of Ni(II) sorbed to kaolinite at pH 7 were examined as a function of initial aqueous Ni(II) concentrations; the local molecular…”
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Micromorphologies and stabilities of chromium (III) surface precipitates elucidated by scanning force microscopy by Fendorf, Scott E., Li, Guangchao, Gunter, Mickey E.

“…Ascertaining the stability of immobilized contaminants in soils is necessary to assess their potential risk in the environment. The composition, structure, and…”
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Imaging a pseudomonad in mineral suspensions with scanning force and electron microscopy by Fendorf, S.E, Li, G, Morra, M.J, Dandurand, L.M

“…Techniques for imaging bacteria in their physical environments yield information potentially relevant to better understanding the role of soil and sediment…”
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Arsenic(III) Oxidation and Arsenic(V) Adsorption Reactions on Synthetic Birnessite by Manning, Bruce A, Fendorf, Scott E, Bostick, Benjamin, Suarez, Donald L

“…The oxidation of arsenite (As(III)) by manganese oxide is an important reaction in both the natural cycling of As and the development of remediation technology…”
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Surface reactions of chromium in soils and waters by Fendorf, Scott E.

“…Chromium is a redox active metal that persists as either Cr(III) or Cr(VI) in the environment. These two oxidation states have opposing toxicities and…”
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