Journal ArticleDOI
The surface oxidation of pyrite
A.N. Buckley,Ronald Woods +1 more
TLDR
The surface oxidation of pyrite in air-saturated acid solutions resulted in the formation of a surface sulfur layer the extent and nature of which depended on solution composition and exposure time.About:
This article is published in Applied Surface Science.The article was published on 1987-01-01. It has received 261 citations till now. The article focuses on the topics: Iron sulfide & Sulfide.read more
Citations
More filters
Journal ArticleDOI
Pyrite oxidation: a state-of-the-art assessment of the reaction mechanism
TL;DR: In this paper, the most important steps in the overall process of the pyrite oxidation were mapped to the cathodic sites, where oxygen atoms from water molecules attach to the sulfur atoms to form sulfoxy species, through the crystal to cathodic Fe(II) sites where they are acquired by the oxidant species.
Book ChapterDOI
The geochemistry of acid mine drainage
David W. Blowes,Carol J. Ptacek,John L. Jambor,Christopher G. Weisener,Dogan Paktunc,W.D. Gould,D.B. Johnson +6 more
TL;DR: In this article, the authors developed and applied molecular tools to determine the activity and role of microorganisms in sulfide-mineral-bearing systems and developed tools for assessing the toxicity of mine-waste effluent.
Journal ArticleDOI
The mechanisms of pyrite oxidation and leaching: A fundamental perspective
A.P. Chandra,Andrea R. Gerson +1 more
TL;DR: In this paper, the authors used XPS-and XANES-imaging to correlate chemistry with topography at a submicron scale and found that pyrite species are heterogeneously distributed on the surface and oxidation to be highly site specific.
Journal ArticleDOI
Surface reactivity of pyrite and related sulfides
Riley Murphy,Daniel R. Strongin +1 more
TL;DR: Pyrite is the most common sulfide in the Earth's surface region as discussed by the authors, and it is a key component of a prebiotic iron sulfide world existing at the high pressure and temperature conditions common to hydrothermal vents at the oceanic floor.
Journal ArticleDOI
X-ray photoelectron spectroscopic study of a pristine pyrite surface reacted with water vapour and air
H.W. Nesbitt,I.J Muir +1 more
TL;DR: In this paper, the X-ray photoelectron (XPS) spectrum of pyrite fracture surfaces, exposed for 7 h to water vapour at low pressure (10−5 Pa), showed no change to their Fe(2p) or S(2 p) X-Ray photoelectRON (Xps) spectrum, but oxygen deposition occurs as H2O, OH− and O2− (74, 19, and 7%, respectively).
References
More filters
Journal ArticleDOI
High-Resolution X-Ray Photoemission Spectrum of the Valence Bands of Gold
TL;DR: In this paper, high-resolution gold-valence-band photoemission spectra were obtained by the use of monochromatized k-ensuremath-alpha (kα) radiation and a single-crystal specimen.
Journal ArticleDOI
Hartree-Slater subshell photoionization cross-sections at 1254 and 1487 eV.
TL;DR: In this article, the results of photoelectric cross-sections for the Kα lines of magnesium at 1254 eV and of aluminum at 1487 eV were given for Z values up to 96.
Journal ArticleDOI
Quantitative electron spectroscopy of surfaces: A standard data base for electron inelastic mean free paths in solids
Martin P. Seah,W. A. Dench +1 more
TL;DR: In this paper, a compilation of all published measurements of electron inelastic mean free path lengths in solids for energies in the range 0-10 000 eV above the Fermi level is presented.
Journal ArticleDOI
Core and valence level photoemission studies of iron oxide surfaces and the oxidation of iron
TL;DR: The core and valence level XPS spectra of FexO (x ~ 0.90-0.95), Fe2O3 (α and γ), Fe3O4; and FeOOH have been studied under a variety of sample surface conditions as discussed by the authors.
Related Papers (5)
X-ray photoelectron spectroscopic study of a pristine pyrite surface reacted with water vapour and air
H.W. Nesbitt,I.J Muir +1 more