Article
Licensed
Unlicensed
Requires Authentication
XPS study of reductive dissolution of birnessite by H2SeO3 with constraints on reaction mechanism
-
D. Banerjee
and
H.W. Nesbitt
Published/Copyright:
March 26, 2015
Abstract
Reductive dissolution of 7 A bimessite [Mi2+0.05Mn3+0.25Mn4+0.7O1.7(OH)0.25] by selenious acid (H2SeO3) produces Mn3+ and Mn2+ surface reaction products (here represented as S-MnOOH and S-MnO. respectively) and Mn2+,3+-selenite surface complexes at the solution-mineral interface. Mn2p3/2, Se3d. and O1s X-ray photoelectron spectra of reacted surfaces reveal that Mn4+ of birnessite is reduced simultaneously to Mn3+ and Mn2+ while Se6+ is oxidized to Se4+ according to the probable stoichiometric reactions:
2MnO2 + H2SeO3 + H2O → 2S-MnOOH + H2SeO4
MnO2 + H2SeO3 → S-MnO + H2SeO4
There is no XPS evidence for reduction of surface Mn3+ to Mn2+ in the presence of selenite. Whereas this reaction proceeds in the presence of arsenite. selenite apparently inhibits reduction of Mn3+. perhaps through formation of a strong Mn-selenite surface complex.
The rate of release of Mn2+ to dilute selenious acid (1.5 × 1O-3 M) is considerably lower than the rate of release to aerated, distilled water at similar pH. This behavior suggests that adsorbed selenite complexes impede the proton promoted dissolution of the soluble Mn2+ component of birnessite.
Received: 1999-3-5
Accepted: 1999-12-26
Published Online: 2015-3-26
Published in Print: 2000-5-1
© 2015 by Walter de Gruyter Berlin/Boston
You are currently not able to access this content.
You are currently not able to access this content.
Articles in the same Issue
- Th-Pb ion-microprobe dating of allanite
- Zircon U-Pb SHRIMP dating of a Neoproterozoic overprint in Paleoproterozoic granitic-gneissic terranes, southern Brazil
- Radioluminescence and thermoluminescence of rare earth element and phosphorus-doped zircon
- Water solubility in silica and quartzofeldspathic melts
- Experimental study of Cr incorporation in pargasite
- The mechanism of charge compensation in Cu-Fe-PGE thiospinels from the Penikat layered intrusion, Finland
- Crystal chemistry of the axinite-group minerals: A multi-analytical approach
- A transmission electron microscope investigation of the C2/c→ P21/c phase transition in clinopyroxenes along the diopside-enstatite (CaMgSi2O6-Mg2Si2O6) join
- The infrared spectrum of synthetic akaganéite, β-FeOOH
- 29Si CPMAS NMR investigations of silanol-group minerals and hydrous aluminosilicate glasses
- Bonding in alpha-quartz (SiO2): A view of the unoccupied states
- Assignment of the structural OH stretching bands of gibbsite
- Two proton positions in the very strong hydrogen bond of serandite, NaMn2[Si3O8(OH)]
- Hydrogen deficiency in mantle-derived phlogopites
- Compression mechanism of brucite: An investigation by structural refinement under pressure
- In-situ high pressure X-ray diffraction of phase E to 15 GPa
- Comparative high-pressure crystal chemistry of wadsleyite, β-(Mg1–xFex)2SiO4, with x = 0 and 0.25
- High-pressure crystal chemistry of Fe3+-wadsleyite, β-Fe2.33Si0.67O4
- Structure and stability of the high-pressure phase, Ca3TiSi2(Al,Ti,Si)3O14
- Carmichaelite, a new hydroxyl-bearing titanate from Garnet Ridge, Arizona
- A new uranyl phosphate chain in the structure of parsonsite
- Crystal-structure determination of pinalite
- The crystal structure of philolithite, a trellis-like open framework based on cubic closestpacking of anions
- XPS study of reductive dissolution of birnessite by H2SeO3 with constraints on reaction mechanism
- Structure of H-exchanged hexagonal birnessite and its mechanism of formation from Na-rich monoclinic buserite at low pH
- Anisotropic peak broadening analysis of a biogenic soil greigite (Fe3S4) with Rietveld analysis and single peak fitting
- Serrabrancaite, MnPO4 · H2O, a new mineral from the Alto Serra Branca pegmatite, Pedra Lavrada, Paraiba, Brazil
- Synchrotron XPS evidence for Fe2+-S and Fe3+-S surface species on pyrite fracture-surfaces, and their 3D electronic states
- Letters: Incommensurate c-domain superstructures in calcian dolomite from the Latemar buildup, Dolomites, Northern Italy
- Fluoride sites in aluminosilicate glasses: High-resolution 19F NMR results
- Determination of water contents of granite melt inclusions by confocal laser Raman microprobe spectroscopy
Articles in the same Issue
- Th-Pb ion-microprobe dating of allanite
- Zircon U-Pb SHRIMP dating of a Neoproterozoic overprint in Paleoproterozoic granitic-gneissic terranes, southern Brazil
- Radioluminescence and thermoluminescence of rare earth element and phosphorus-doped zircon
- Water solubility in silica and quartzofeldspathic melts
- Experimental study of Cr incorporation in pargasite
- The mechanism of charge compensation in Cu-Fe-PGE thiospinels from the Penikat layered intrusion, Finland
- Crystal chemistry of the axinite-group minerals: A multi-analytical approach
- A transmission electron microscope investigation of the C2/c→ P21/c phase transition in clinopyroxenes along the diopside-enstatite (CaMgSi2O6-Mg2Si2O6) join
- The infrared spectrum of synthetic akaganéite, β-FeOOH
- 29Si CPMAS NMR investigations of silanol-group minerals and hydrous aluminosilicate glasses
- Bonding in alpha-quartz (SiO2): A view of the unoccupied states
- Assignment of the structural OH stretching bands of gibbsite
- Two proton positions in the very strong hydrogen bond of serandite, NaMn2[Si3O8(OH)]
- Hydrogen deficiency in mantle-derived phlogopites
- Compression mechanism of brucite: An investigation by structural refinement under pressure
- In-situ high pressure X-ray diffraction of phase E to 15 GPa
- Comparative high-pressure crystal chemistry of wadsleyite, β-(Mg1–xFex)2SiO4, with x = 0 and 0.25
- High-pressure crystal chemistry of Fe3+-wadsleyite, β-Fe2.33Si0.67O4
- Structure and stability of the high-pressure phase, Ca3TiSi2(Al,Ti,Si)3O14
- Carmichaelite, a new hydroxyl-bearing titanate from Garnet Ridge, Arizona
- A new uranyl phosphate chain in the structure of parsonsite
- Crystal-structure determination of pinalite
- The crystal structure of philolithite, a trellis-like open framework based on cubic closestpacking of anions
- XPS study of reductive dissolution of birnessite by H2SeO3 with constraints on reaction mechanism
- Structure of H-exchanged hexagonal birnessite and its mechanism of formation from Na-rich monoclinic buserite at low pH
- Anisotropic peak broadening analysis of a biogenic soil greigite (Fe3S4) with Rietveld analysis and single peak fitting
- Serrabrancaite, MnPO4 · H2O, a new mineral from the Alto Serra Branca pegmatite, Pedra Lavrada, Paraiba, Brazil
- Synchrotron XPS evidence for Fe2+-S and Fe3+-S surface species on pyrite fracture-surfaces, and their 3D electronic states
- Letters: Incommensurate c-domain superstructures in calcian dolomite from the Latemar buildup, Dolomites, Northern Italy
- Fluoride sites in aluminosilicate glasses: High-resolution 19F NMR results
- Determination of water contents of granite melt inclusions by confocal laser Raman microprobe spectroscopy
