Dynamic processes occurring at the CrIIIaq-manganite (γ-MnOOH) interface: Simultaneous adsorption, microprecipitation, oxidation/reduction, and dissolution

Geochimica et Cosmochimica Acta

Volumn 66, Issue 23, 2002, Pages 4119-4132

  Weaver, Robert M ^a,c   Hochella Jr , Michael F ^a   Ilton, Eugene S ^b  

^a VIRGINIA POLYTECHNIC INSTITUTE AND STATE UNIVERSITY   (United States)

^b LEHIGH UNIVERSITY   (United States)

^c McCrone Research Institute   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

CHROMIUM; DISSOLUTION; MANGANESE OXIDE; PH; PRECIPITATION (CHEMISTRY); REDOX POTENTIAL;

EID: 0036890731     PISSN: 00167037     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0016-7037(02)00980-8     Document Type: Article

References (58)

1. Oxidation of aqueous Cr(III) at birnessite surfaces: Constraints on reaction mechanism
2. The adsorption of gold to galena surfaces: Calculation of adsorption/reduction energies, reaction mechanisms, XPS spectra, and STM images
3. The proximity effect on semiconducting mineral surface: A new aspect of mineral surface reactivity and surface complexation theory?
4. Cluster formation versus isolated-site adsorption: A study of Mn(II) and Mg(II) adsorption on boehmite and goethite
5. In-situ remediation of Cr(VI)-contaminated groundwater using permeable reactive walls: Laboratory studies
6. Influence of mineral surfaces on chromium(VI) reduction by iron(II)
7. Manganese oxides
8. The scavenging of silver by manganese and iron oxides in stream sediments collected from two drainage areas of Colorado
9. Chromium speciation in Cr(III) oxidation by Mn-oxides: Relation to the oxidation mechanism
10. Kinetics of chromium(III) oxidation by various manganese oxides
11. X-ray photoelectron spectroscopic (XPS) studies on the chemical nature of metal ions adsorbed on clays and minerals
12. Kinetics of chromium (III) oxidation to chromium (VI) by reaction with manganese oxide
13. Determination of the oxidation state of manganese in lepidolite by x-ray photoelectron spectroscopy
14. 2: Characterization
15. Inhibitory mechanisms of chromium(III) oxidation by δ-manganese dioxide
16. Competing metal ion influences on chromium (III) oxidation by birnessite
17. Adsorption from aqueous solution by δ-manganese oxide: II Adsorption of some heavy metal cations
18. Calculations of multiplet structure of core p-vacancy levels
19. Calculation of multiplet structure of p-vacancy levels II
20. Photoreduction of hexavalent chromium during X-ray photoelectron spectroscopy analysis of electrochemical and thermal films
21. Rates of manganese oxidation in aqueous systems
22. Stability of β-MnOOH and manganese oxide deposition from springwater
23. Coprecipitation and redox reactions of manganese oxides with copper and nickel
24. X-ray photoelectron spectroscopic studies of chromium dioxide and some related chromium compounds
25. The catalytic effect of sodium and lithium ions on coupled sorption-reduction of chromate at the biotite edge-fluid interface
26. Fate and transport of hexavalent chromium in undisturbed heterogeneous soil
27. The oxidation of chromium(III) to chromium(VI) on the surface of manganite (γ-MnOOH)
28. Imaging the molecular-scale structure and microtopography of hematite with the atomic force microscope
29. Manganese(II) oxidation at mineral surfaces: A microscopic and spectroscopic study
30. 4) conversion to manganite (γ-MnOOH) in dilute oxalate solution
31. Radiochemical and physico-chemical characterization of manganese oxides
32. In-Situ X-ray absorption study of the mechanism of Cr(III) oxidation at the Mn oxide/water interface
33. X-ray absorption spectroscopy study of the sorption of Cr(III) at the oxide-water interface I: Molecular mechanisms of Cr(III) oxidation on Mn oxides
34. The sorption of cobalt by manganese minerals in soils
35. The adsorption of lead and other heavy metals on oxides of manganese and iron
36. Adsorption of Co and selected actinides by Mn and Fe oxides in soils and sediments
37. The adsorption of aqueous metal on colloidal hydrous manganese oxide
38. The oxidation of cobalt(II) adsorbed on manganese dioxide
39. Oxidation of Mn(II): Initial mineralogy, oxidation state and ageing
40. 2 precipitation
41. 2
42. Advances in environmental science and technology
43. Differential redox and sorption of Cr(III/VI) on natural silicate and oxide minerals: EXAFS and XANES results
44. Coupled iron corrosion and chromate reduction: Mechanisms for subsurface remediation
45. 3
46. Products of chromate reduction on proposed subsurface remediation material
47. Chromium(III) hydrolysis constants and solubility of chromium(III) hydroxide
48. Kinetics of the oxidation of chromium(III) ions by trimanganese tetroxide and by manganese(III) oxide
49. Atomically resolved electronic structure of pyrite"(100)" surfaces: An experimental and theoretical investigation with implications for reactivity
50. 2O: Fundamental oxidation mechanisms
51. Potential transformations of chromium in natural waters
52. Mechanism of chromium(III) oxidation by Na-buserite
53. Chromium(III)-chromium(VI) interconversions in seawater