Search Results - "Hope, G.a"

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  1. 1

    Electrochemical and surface analytical studies of tennantite in acid solution by Ásbjörnsson, J, Kelsall, G.H, Vaughan, D.J, Pattrick, R.A.D, Wincott, P.L, Hope, G.A

    “…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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    Journal Article
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    The interaction of n-octanohydroxamate with chrysocolla and oxide copper surfaces by Hope, G.A., Buckley, A.N., Parker, G.K., Numprasanthai, A., Woods, R., McLean, J.

    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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    Journal Article
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    Identification of surface species that inhibit and passivate thiosulfate leaching of gold by Jeffrey, M.I., Watling, K., Hope, G.A., Woods, R.

    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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    Journal Article
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    Bench-scale flotation of chrysocolla with n-octanohydroxamate by Hope, G.A., Numprasanthai, A., Buckley, A.N., Parker, G.K., Sheldon, G.

    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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    Journal Article
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    A vibrational spectroscopy and XPS investigation of the interaction of hydroxamate reagents on copper oxide minerals by Hope, G.A., Woods, R., Parker, G.K., Buckley, A.N., McLean, J.

    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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    Journal Article
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    Spectroelectrochemical investigations of gold leaching in thiourea media by Parker, G.K., Hope, G.A.

    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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    Journal Article
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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 by Otieno-Alego, V., Hope, G.A., Flitt, H.J., Schweinsberg, D.P.

    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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    Journal Article
  9. 9

    Raman microprobe mineral identification by Hope, G.A., Woods, R., Munce, C.G.

    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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    Journal Article Conference Proceeding
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    A spectroelectrochemical investigation of the interaction of diisobutyldithiophosphinate with copper, silver and gold surfaces: II. Electrochemistry and Raman spectroscopy by Hope, G.A., Woods, R., Watling, K.

    “…The interaction of the sulphide mineral flotation collector, diisobutyldithiophosphinate (DIBDTPI), with silver, copper, and gold surfaces has been…”
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    Journal Article
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    A SERS spectroelectrochemical investigation of the interaction of isopropyl, isobutyl and isoamyl xanthates with silver by Hope, G.A, Watling, K, Woods, R

    “…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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    Journal Article
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    Confirmation of thiourea/chloride ion coadsorption at a copper electrode by in situ SERS spectroscopy by Brown, G.M., Hope, G.A.

    “…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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    Journal Article
  14. 14

    A SERS study of [formula omitted] ion adsorption at a copper electrode in-situ by Brown, G.M., Hope, G.A.

    “…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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    Journal Article
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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 by Hope, G.A, Woods, R, Boyd, S, Watling, K

    “…NMR and Raman spectroscopies have been applied to characterise the diisobutyldithiophosphinate (DIBDTPI) compounds of sodium, copper, silver and gold,…”
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    Journal Article
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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) by O’Hare, P.A.G., Watling, K., Hope, G.A.

    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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    Journal Article
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    Thermodynamic properties of vanadium silicides. I. Standard molar enthalpy of formationΔfHmoof vanadium disilicide (VSi2) at the temperature 298.15 K by O’Hare, P.A.G., Watling, K., Hope, G.A.

    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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    Journal Article
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    Surface enhanced raman scattering spectroscopic studies of the adsorption of flotation collectors by Woods, R., Hope, G.A., Watling, K.

    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