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  • 1
    Electronic Resource
    Electronic Resource
    Unified description of infinite-dilution thermodynamic properties for aqueous solutes (1991)
    s.l. : American Chemical Society
    The @journal of physical chemistry 〈Washington, DC〉 95 (1991), S. 932-937 
    Details
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/j100155a079
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    The susceptibility critical exponent for a nonaqueous ionic binary mixture near a consolute point (1992)
    College Park, Md. : American Institute of Physics (AIP)
    The Journal of Chemical Physics 97 (1992), S. 8692-8697 
    Details
    ISSN: 1089-7690
    Source: AIP Digital Archive
    Topics: Physics , Chemistry and Pharmacology
    Notes: We report turbidity measurements of a nonaqueous ionic solution of triethyl n-hexylammonium triethyl n-hexylboride in diphenyl ether. A classical susceptibility critical exponent γ=1.01±0.01 is obtained over the reduced temperature range 10−4≤ t≤10−1. The best fits of the sample transmission had a standard deviation of 0.39% over this range. Ising and spherical model critical exponents are firmly excluded. The correlation length amplitude ξ0 from fitting is 1.0±0.2 nm which is much larger than values found in neutral fluids and some aqueous binary mixtures.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.463387
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  • 3
    Electronic Resource
    Electronic Resource
    Thermodynamic properties of isobutane in the critical region (1983)
    s.l. : American Chemical Society
    Journal of chemical & engineering data 28 (1983), S. 354-362 
    Details
    ISSN: 1520-5134
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/je00034a004
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Thermodynamic properties of aqueous solutions at high temperatures: Needs, methods, and challenges (1990)
    Springer
    International journal of thermophysics 11 (1990), S. 399-415 
    Details
    ISSN: 1572-9567
    Keywords: aqueous solutions ; chemical industry ; Debye-Hückel limiting law ; excess properties ; geology ; Helmholtz free energy ; high pressure ; high temperature ; power industry ; standard states
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Needs exist for thermophysical data on aqueous solutions at high temperatures and pressures in many different areas of science and engineering. These needs are reviewed and references are given to recent relevant conference proceedings, reviews, and papers. Aspects and drawbacks are discussed of current methods, which are most often extensions to high temperatures of methods developed for liquid water. The challenges posed by engineering needs and by new phenomena resulting from experimental breakthroughs are discussed. Some examples are given of alternative approaches more suitable for highly compressible media.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01133570
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  • 5
    Electronic Resource
    Electronic Resource
    Critical lines for type-III aqueous mixtures by generalized corresponding-states models (1994)
    Springer
    International journal of thermophysics 15 (1994), S. 1271-1278 
    Details
    ISSN: 1572-9567
    Keywords: aqueous mixtures ; carbon dioxide ; critical lines ; extended ; corresponding states ; gas-gas equilibrium: nitrogen ; type III mixtures
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract An algorithm has been developed for calculating the gas-gas critical line of type-III binary fluid mixtures for extended corresponding-states (ECS) models. The algorithm searches for an extremum in pressure on the spinodal curve of an isothermal pressure-composition phase diagram of a binary mixture. The method has been applied to solutions of carbon dioxide and of nitrogen in water. starting at the water critical point. Two variants of ECS have been tested for their ability to represent reliablePVTx data in the nitrogen-water mixture. It is demonstrated that in the latter system both ECS variants produce an artifact in the gas-gas critical line in the range of 0–0.2 mole fraction of nitrogen.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01458835
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  • 6
    Electronic Resource
    Electronic Resource
    Application of the Taylor dispersion method in supercritical fluids (1993)
    Springer
    International journal of thermophysics 14 (1993), S. 893-922 
    Details
    ISSN: 1572-9567
    Keywords: benzene ; carbon dioxide ; critical behavior ; data comparison ; diffusion coefficient ; diffusivity ; peak shape ; supercritical fluids ; Taylor dispersion ; toluene ; transport coefficients
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract This paper describes some of the experimental and theoretical problems encountered when the Taylor dispersion method is applied to the measurement of diffusion coefficients near gas-liquid critical points. We have used our own measurements of diffusion of benzene and toluene in supercritical carbon dioxide, along with measurements from several other sources, to illustrate some of the experimental challenges. Special attention is given to the peak shape. The intercomparisons are greatly simplified by comparing the experimental data as functions of density, rather than pressure. We find large and unexplained discrepancies between the various experimental sources. We discuss the theoretical predictions for the relationships between the diffusion coefficients and diffusivities obtained from Taylor dispersion and dynamic light scattering in fluids near critical points. We conclude that there is no strong reason to press for Taylor dispersion measurements near the gas-liquid critical point of the carrier gas.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00502114
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  • 7
    Electronic Resource
    Electronic Resource
    Preface (1994)
    Springer
    International journal of thermophysics 15 (1994), S. 1011-1012 
    Details
    ISSN: 1572-9567
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01458811
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  • 8
    Electronic Resource
    Electronic Resource
    A universal representation of the thermodynamic properties of fluids in the critical region (1984)
    Springer
    International journal of thermophysics 5 (1984), S. 195-208 
    Details
    ISSN: 1572-9567
    Keywords: critical-point universality ; critical region ; equation of state ; ethylene ; isobutane ; scaling laws ; steam ; thermodynamic properties
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract To characterize the behavior of the thermodynamic properties of systems near a critical point, systems are grouped into universality classes. Systems within a universality class have the same universal critical exponents and scaling functions. Specifically, fluids are expected to belong to the universality class of three-dimensional Ising-like systems for which the universal quantities have been calculated with considerable accuracy. A scaled fundamental equation is presented which incorporates these theoretical predictions. Results obtained for various technologically important fluids, namely ordinary steam, heavy steam, ethylene, and isobutane, are discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00505500
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