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  • 1995-1999  (3)
  • surface state  (2)
  • H/D-isotopomers  (1)
  • 1
    Digitale Medien
    Digitale Medien
    Volumetric properties of mixtures of water and methanol H/D-isotopomers between 5 and 45°C (1996)
    Springer
    Journal of solution chemistry 25 (1996), S. 191-201 
    Details
    ISSN: 1572-8927
    Schlagwort(e): Solvent isotope effects ; methanols ; H/D-isotopomers ; aqueous solutions ; volumetric properties
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Chemie und Pharmazie
    Notizen: Abstract Densities of H/D-isotopomers mixtures of water (H2O, D2O) and methanol (CH3OH, CD3OH, CH3OD, and CD3OD) over the full range of compositions were measured at 5, 15, 25, 35, and 45°C. Results have been used to calculate molar volumes, excess molar volumes, apparent molar volumes, and isotope effects of the mixtures. The volumetric properties are discussed in terms of the structural changes in water-methanol solutions under the influence of isotope substitution.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00972689
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  • 2
    Digitale Medien
    Digitale Medien
    Carbon states and kinetics of carbon deposition from ethylene at Pt(110) surface (1998)
    Springer
    Reaction kinetics and catalysis letters 65 (1998), S. 381-388 
    Details
    ISSN: 1588-2837
    Schlagwort(e): Carbon ; kinetics ; surface state ; XPS ; photoelectron spectroscopy
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Chemie und Pharmazie
    Notizen: Abstract The nature of high temperature carbon states at Pt(110) has been studied by X-Ray Photoelectron Spectroscopy. The formation of diamond-like carbon (DLC) is reported for the first time. The kinetics and temperature-programmed reactions of DLC were numerically simulated.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF02475279
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  • 3
    Digitale Medien
    Digitale Medien
    Kinetics of carbon deposition from ethylene on Pt(110) surface (1997)
    Springer
    Reaction kinetics and catalysis letters 62 (1997), S. 299-304 
    Details
    ISSN: 1588-2837
    Schlagwort(e): carbon ; kinetics ; surface state
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Chemie und Pharmazie
    Notizen: Abstract The formation of carbonaceous deposits on Pt(110) surface due to ethylene decomposition in the temperature range of 770–970 K has been studied. Both kinetic and XPS data show that chemisorbed carbon (with no C−C bonds, but only C−Pt bonds) forms at T=770–870 K, the saturation coverage θs being about 1 ML. At higher temperatures, θs increases by a factor of 1.5, indicating the formation of more densely packed carbon species (DPC) due to C−C bonding. A kinetic model has been proposed to describe the process of carbon conversion.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF02475467
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