Browsing by Author "Jordan G."
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Browsing by Author "Jordan G."
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Eggleston C.M.; Jordan G. (1998)The pH of point of zero charge (pHpzc) is a fundamentally important property used in modeling the interaction of solid surfaces with aqueous solutions and solutes. The pHpzc is normally measured by acid-base titration of ...
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Eggleston C.M.; Jordan G. (1998)The pH of point of zero charge (pHpzc) is a fundamentally important property used in modeling the interaction of solid surfaces with aqueous solutions and solutes. The pHpzc is normally measured by acid-base titration of ...
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Jordan G.; Higgins S.R.; Eggleston C.M.; Swapp S.M.; Janney D.E.; Knauss K.G. (1999)Hydrothermal atomic force microscopy (HAFM) provides in situ access to the surfaces of dissolving crystals at temperatures above the ambient boiling point of water. Here, we applied HAFM to the (001) surfaces of labradorite ...
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Aldushin K.; Jordan G.; Rammensee W.; Schmahl W.W.; Becker H.W. (2004)Depending on pH and temperature, two different types of surface reactions occur on the apophyllite (001) surface in aqueous HCl-solutions at temperatures from 20 to 130 °C. At low pH, laterally spreading hillocks cover the ...
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Aldushin K.; Jordan G.; Schmahl W.W. (2006)The basal plane reactivities of the sheet silicates apophyllite and phlogopite have been studied by hydrothermal atomic force microscopy (HAFM) in situ in aqueous solutions at temperatures from 20 to 140 °C. At pH 4-5.6 ...
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Jordan G.; Higgins S.R.; Eggleston C.M.; Knauss K.G.; Schmahl W.W. (2001)The dissolution kinetics of features on the magnesite (104) surface were studied in aqueous solutions from pH 4.2 to 2 and at temperatures between 60 and 90°C by hydrothermal atomic force microscopy (HAFM). At pH = 4.2, ...
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Higgins S.R.; Jordan G.; Eggleston C.M. (2002)Magnesite (104) dissolution kinetics were studied in acidic aqueous solutions (2.0 < pH < 4.2) at temperatures between 60 and 90°C by atomic force microscopy (AFM). Comparison of dissolution fluxes obtained by AFM and ...
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Jordan G.; Rammensee W. (1996)Scanning Force Microscopy (SFM) was used to develop a method which can provide quantitative kinetic data of crystal growth and dissolution. Based on observations of single crystal faces in monolayer resolution, morphology ...
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Jordan G.; Rammensee W. (1998)This paper reports on our use of scanning force microscopy (SFM) to study calcite dissolution rates. Until now, calculation of rates has been limited to surfaces on which steps retreat at an isotropic velocity. More commonly, ...
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Jordan G.; Lohkämper T.; Schmahl W.W.; Schellewald M. (2005)Deformation assisted by transport in aqueous solutions is important for the rheology of earth materials, and models commonly used to describe deformation by dissolution-precipitation creep assume a steady state process in ...
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Lohkamper T.H.K.; Jordan G.; Costamagna R.; Stockhert B.; Schmahl W.W. (2003)Halite single crystals in saturated solution were used to study dissolution precipitation creep (DPC) at conditions where plastic deformation is negligible. Specifically, the free unloaded surfaces of these crystals were ...
Now showing items 1-11 of 11