Biotite surface chemistry as a function of aqueous fluid composition

AW Bray, LG Benning, S Bonneville… - … et Cosmochimica Acta, 2014 - Elsevier
The chemical composition and charge of the biotite near-surface, in contact with NaCl
bearing aqueous solutions at 25° C from pH 1 to 12, have been derived via zeta potential …

Influence of mica surfaces on pore-water pH

JR Boles, KS Johnson - Chemical Geology, 1984 - Elsevier
The close spatial association of detrital biotite with diagenetic carbonate, prehnite, or
laumontite is attributed to attraction of H+ to the mica surface, resulting in an increase in pore …

[HTML][HTML] The effect of pH, grain size, and organic ligands on biotite weathering rates

AW Bray, EH Oelkers, S Bonneville… - … et Cosmochimica Acta, 2015 - Elsevier
Biotite dissolution rates were determined at 25° C, at pH 2–6, and as a function of mineral
composition, grain size, and aqueous organic ligand concentration. Rates were measured …

Influence of microorganisms on biotite dissolution: an experimental approach

J Hopf, F Langenhorst, K Pollok, D Merten, E Kothe - Geochemistry, 2009 - Elsevier
Microbially assisted dissolution of biotite was studied using four environmentally important
species (Bacillus subtilis, Shewanella putrefaciens, Streptomyces acisdiscabies, and …

Chromium sorption by phlogopite and biotite in acidic solutions at 25 C: Insights from X-ray photoelectron spectroscopy and electron microscopy

ES Ilton, DR Veblen - Geochimica et Cosmochimica Acta, 1994 - Elsevier
Large single crystals of biotite and near endmember phlogopite were reacted with acidic Cr
(VI)-and Cr (III)-bearing solutions, at 24–27° C and 1 atm. After reaction of the micas with Cr …

Biotite dissolution at 25 C: The pH dependence of dissolution rate and stoichiometry

M Malmström, S Banwart - Geochimica et Cosmochimica Acta, 1997 - Elsevier
The rate and stoichiometry of biotite dissolution were studied in the pH range 2–10 using
thin-film continuous flow reactors. The release of interlayer K is relatively fast and becomes …

In situ atomic force microscopy measurements of biotite basal plane reactivity in the presence of oxalic acid

SJ Haward, MM Smits, KV Ragnarsdóttir… - … et Cosmochimica Acta, 2011 - Elsevier
We have used a direct imaging technique, in situ atomic force microscopy (AFM), to observe
the dissolution of the basal biotite surface by oxalic acid over a range of temperatures close …

The catalytic effect of sodium and lithium ions on coupled sorption-reduction of chromate at the biotite edge-fluid interface

ES Ilton, DR Veblen, CO Moses, SP Raeburn - … et Cosmochimica Acta, 1997 - Elsevier
Large single crystals of biotite and near-endmember phlogopite were reacted with aqueous
solutions bearing 20 μM Cr (VI) and different concentrations of NaCl, LiCl, RbCl, CsCl …

Effects of citrate on the dissolution and transformation of biotite, analyzed by chemical and atomic force microscopy

J Li, W Zhang, S Li, X Li, J Lu - Applied geochemistry, 2014 - Elsevier
The aim of this study was to investigate the dissolution and transformation characteristics of
phyllosilicate under low molecular weight organic acids in the farmland environment (pH 4.0 …

High-resolution imaging of biotite dissolution and measurement of activation energy

TJ McMaster, MM Smits, SJ Haward… - Mineralogical …, 2008 - cambridge.org
We have used a direct imaging technique, in situ atomic force microscopy (AFM) to observe
the earliest stages of the dissolution of a biotite surface byoxalic acid at temperatures close …