Search Results - "Hope, G.a"
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Electrochemical and surface analytical studies of tennantite in acid solution
Published in Journal of electroanalytical chemistry (Lausanne, Switzerland) (15-08-2004)“…The electrochemical oxidation and reduction of the surface of a natural tennantite has been investigated in 0.1 M HCl solution using cyclic voltammetry,…”
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An electrochemical and SERS study of the action of polyvinylpyrrolidone and polyethylenimine as inhibitors for copper in aerated H2SO4
Published in Corrosion science (01-04-1996)Get full text
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The interaction of n-octanohydroxamate with chrysocolla and oxide copper surfaces
Published in Minerals engineering (01-10-2012)“…X-ray photoelectron spectra (N 1s) from conditioned chrysocolla. [Display omitted] ► Multilayer cupric hydroxamate formed at pH>9 on all surfaces investigated…”
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Identification of surface species that inhibit and passivate thiosulfate leaching of gold
Published in Minerals engineering (01-05-2008)“…The anodic dissolution of gold in thiosulfate solution is accelerated by the presence of ammonia and significantly enhanced by the addition of copper. It is…”
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Bench-scale flotation of chrysocolla with n-octanohydroxamate
Published in Minerals engineering (01-10-2012)“…Curve A is the Cu recovery for sequential AM2 addition, B is for a single dose at the start of the flotation experiment, and C is dosed with AM2 and stirred…”
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A vibrational spectroscopy and XPS investigation of the interaction of hydroxamate reagents on copper oxide minerals
Published in Minerals engineering (01-10-2010)“…Vibrational spectroscopy and X-ray photoelectron spectroscopy (XPS) studies have been carried out to investigate the interaction of n-octanohydroxamic acid,…”
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Spectroelectrochemical investigations of gold leaching in thiourea media
Published in Minerals engineering (01-05-2008)“…Surface-enhanced Raman scattering (SERS), facilitated via suitably prepared gold surfaces, has been used to observe sub-monolayer surface species and oxidation…”
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The corrosion of a low alloy steel in a steam turbine environment: The effect of oxygen concentration and potential scan rate on input parameters used to computer match the experimental polarization curves
Published in Corrosion science (01-03-1995)“…The corrosion behaviour of A-470 low alloy steel in a simulated low pressure steam turbine environment at ambient temperature has been examined as a function…”
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Raman microprobe mineral identification
Published in Minerals engineering (01-12-2001)“…Raman spectroscopy and associated imaging techniques are generally non-destructive, and can be used to identify a wide range of minerals and gemstones. Raman…”
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A spectroelectrochemical investigation of the interaction of diisobutyldithiophosphinate with copper, silver and gold surfaces: II. Electrochemistry and Raman spectroscopy
Published in Colloids and surfaces. A, Physicochemical and engineering aspects (12-03-2003)“…The interaction of the sulphide mineral flotation collector, diisobutyldithiophosphinate (DIBDTPI), with silver, copper, and gold surfaces has been…”
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A SERS spectroelectrochemical investigation of the interaction of isopropyl, isobutyl and isoamyl xanthates with silver
Published in Colloids and surfaces. A, Physicochemical and engineering aspects (15-03-2001)“…The interaction of isopropyl, isobutyl and isoamyl xanthates with silver surfaces has been investigated by voltammetry and by in situ surface enhanced Raman…”
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Confirmation of thiourea/chloride ion coadsorption at a copper electrode by in situ SERS spectroscopy
Published in Journal of electroanalytical chemistry (Lausanne, Switzerland) (01-09-1996)“…The coadsorption of chloride with thiourea and sulfate ions at a copper electrode in sulfuric acid solution has been investigated in situ by SERS spectroscopy…”
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A SERS study of [formula omitted] ion adsorption at a copper electrode in-situ
Published in Journal of electroanalytical chemistry (Lausanne, Switzerland) (01-04-1996)“…The adsorption of chloride and sulfate ions at a copper electrode in sulfuric acid solution has been investigated in-situ by SERS spectroscopy as a function of…”
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A study of the effect of cobalt additions on thecorrosion of tungsten carbide⧸carbon steel metal matrixcomposites
Published in Corrosion science (01-07-1999)Get full text
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A spectroelectrochemical investigation of the interaction of diisobutyldithiophosphinate with copper, silver and gold surfaces: I. Raman and NMR spectra of diisobutyldithiophosphinate compounds
Published in Colloids and surfaces. A, Physicochemical and engineering aspects (12-03-2003)“…NMR and Raman spectroscopies have been applied to characterise the diisobutyldithiophosphinate (DIBDTPI) compounds of sodium, copper, silver and gold,…”
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Thermodynamic properties of vanadium silicides II. Standard molar enthalpy of formationΔfHmo(298.15 K) and reassessed thermodynamic properties of trivanadium monosilicide (V3Si)
Published in The Journal of chemical thermodynamics (01-04-2000)“…Fluorine bomb combustion calorimetric measurements of the energy of the reaction: V3Si(cr) + (19/2)F2(g) = 3V F5(g) + SiF4(g), have given a value of −(163.3 ±…”
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Thermodynamic properties of vanadium silicides. I. Standard molar enthalpy of formationΔfHmoof vanadium disilicide (VSi2) at the temperature 298.15 K
Published in The Journal of chemical thermodynamics (01-11-1999)“…The massic energy of combustion of vanadium disilicide in fluorine according to the reaction V Si2(cr) + (13/2)F2(g) = V F5(g) + 2SiF4(g) has been measured…”
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Surface enhanced raman scattering spectroscopic studies of the adsorption of flotation collectors
Published in Minerals engineering (01-04-2000)“…Surface enhanced Raman scattering (SERS) spectroscopy at surfaces under electrochemical control has been applied to elucidate the adsorption of thiol…”
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Journal Article Conference Proceeding