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Oct 1987

Volume 16, Issue 4, pp. 577-1023


Thermophysical Properties of Fluids. II. Methane, Ethane, Propane, Isobutane, and Normal Butane

B. A. Younglove and J. F. Ely

J. Phys. Chem. Ref. Data 16, 577 (1987); http://dx.doi.org/10.1063/1.555785 (222 pages) | Cited 27 times

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Tables of methane, ethane, propane, isobutane, and normal butane thermodynamic and transport properties are presented. The mathematical relations from which these thermophysical properties are obtained are described. The tables list pressure, density, temperature, internal energy, enthalpy, entropy, specific heat at constant pressure and at constant volume, sound speed, viscosity, thermal conductivity, and dielectric constant.
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65.20.-w Thermal properties of liquids
65.40.gd Entropy
64.30.-t Equations of state of specific substances
51.20.+d Viscosity, diffusion, and thermal conductivity
51.30.+i Thermodynamic properties, equations of state

Methanol Thermodynamic Properties From 176 to 673 K at Pressures to 700 Bar

Robert D. Goodwin

J. Phys. Chem. Ref. Data 16, 799 (1987); http://dx.doi.org/10.1063/1.555786 (94 pages) | Cited 4 times

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Available data for vapor pressures and for the orthobaric densities of methanol are examined and formulated. Then, PρT data are correlated by an equation of state (EOS) which is constrained to the given coexistence boundary. Via ideal gas state specific heats, the thermodynamic properties of methanol then are obtained by numerical integrations of the EOS, and are tabulated along isobars. A comparison is made with some recent calorimetric enthalpy differences data over a wide range of the EOS surface.
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65.20.-w Thermal properties of liquids
65.40.gd Entropy
62.10.+s Mechanical properties of liquids
64.30.-t Equations of state of specific substances

International Equations for the Saturation Properties of Ordinary Water Substance

A. Saul and W. Wagner

J. Phys. Chem. Ref. Data 16, 893 (1987); http://dx.doi.org/10.1063/1.555787 (9 pages)

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Consistent with the latest experimental data and the recent internationally recommended values for the critical parameters, we have developed compact and accurate representative equations for the following properties on the saturation line of ordinary (light) water substance: vapor pressure, density, enthalpy and entropy of both the saturated liquid and the saturated vapor. These equations form the basis of a ‘‘Supplementary Release on Saturation Properties of Ordinary Water Substance’’ issued by the International Association for the Properties of Steam (IAPS).
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65.20.-w Thermal properties of liquids
65.40.gd Entropy

Rate Data for Inelastic Collision Processes in the Diatomic Halogen Molecules. 1986 Supplement.

J. I. Steinfeld

J. Phys. Chem. Ref. Data 16, 903 (1987); http://dx.doi.org/10.1063/1.555795 (8 pages) | Cited 6 times

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The previously published compilation of rate data for inelastic collision processes involving the homonuclear and heteronuclear diatomic halogen molecules [J. Phys. Chem. Ref. Data 13, 445 (1984)] has been updated through June, 1986. Additional data on collision processes involving the interhalogens, and on processes at very low kinetic temperatures, are presented; in addition, several previously accepted rate data have been corrected.
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34.50.Ez Rotational and vibrational energy transfer
33.70.Fd Absolute and relative line and band intensities

Critical Survey of Data on the Spectroscopy and Kinetics of Ozone in the Mesosphere and Thermosphere

Jeffrey I. Steinfeld, Steven M. Adler‐Golden, and Jean W. Gallagher

J. Phys. Chem. Ref. Data 16, 911 (1987); http://dx.doi.org/10.1063/1.555796 (41 pages) | Cited 42 times

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Spectroscopic data and reaction rate coefficients pertinent to ozone in the mesosphere and thermosphere (altitude >50 km) are critically surveyed. These data should be of use in modeling atmospheric infrared luminescence, measuring atmospheric ozone concentrations by remote sensing, and designing and interpreting laboratory measurements. There is a clear need for additional data on metastable ozone electronic states, additional atmospheric ozone formation channels, collision processes involving electrons and ions, and vibrational state dependence of reaction rate coefficients.
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82.33.Tb Atmospheric chemistry
82.20.Pm Rate constants, reaction cross sections, and activation energies
82.80.Dx Analytical methods involving electronic spectroscopy
82.80.Ej X-ray, Mössbauer, and other γ-ray spectroscopic analysis methods

Critical Compilation of Surface Structures Determined by Low‐Energy Electron Diffraction Crystallography

Philip R. Watson

J. Phys. Chem. Ref. Data 16, 953 (1987); http://dx.doi.org/10.1063/1.555797 (40 pages) | Cited 1 time

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This review critically compiles all surface structures derived from low‐energy electron diffraction (LEED) crystallography reported in the referred literature prior to January 1986. Over 250 investigations have been analyzed covering all types of surfaces including clean and adsorbate‐covered metal, semiconductor and other nonmetallic substrates. Particular attention is paid to developing and applying objective criteria that allow an estimation of the reliability of a particular structural determination. The important experimental and theoretical aspects of such investigations have been extracted into easily understood tabular form supplemented by many figures and ancillary tables and complete references. It is hoped that this compilation will provide a valuable
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68.35.B- Structure of clean surfaces (and surface reconstruction)
61.05.jh Low-energy electron diffraction (LEED) and reflection high-energy electron diffraction (RHEED)

Viscosity and Thermal Conductivity of Nitrogen for a Wide Range of Fluid States

K. Stephan, R. Krauss, and A. Laesecke

J. Phys. Chem. Ref. Data 16, 993 (1987); http://dx.doi.org/10.1063/1.555798 (31 pages) | Cited 7 times

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The viscosity and the thermal conductivity of fluid nitrogen were critically evaluated and correlated on the basis of a comprehensive literature survey. Recommended values were generated in a temperature range from 70 to 1100 K and pressures up to 100 MPa using the residual concept. To retain consistency with the IUPAC Thermodynamic Tables, the same thermodynamic key data were used. Additionally, a so‐called transport equation of state was established that makes it possible to achieve a unified representation of the viscosity and thermal conductivity in terms of pressure and temperature.
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51.20.+d Viscosity, diffusion, and thermal conductivity
51.30.+i Thermodynamic properties, equations of state
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