Journal of Physical and Chemical Reference Data

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The 1973 Least-Squares Adjustment of the Fundamental Constants
Journal of Physical and Chemical Reference Data - Tập 2 Số 4 - Trang 663-734 - 1973
Elaine Cohen, Barry N. Taylor
This paper is a summary of the 1973 least-squares adjustment of the fundamental physical constants carried out by the authors under the auspices of the CODATA Task Group on Fundamental Constants. The salient features of both the input data used and its detailed analysis by least-squares are given. Also included is the resulting set of best values of the constants which is to be recommended...... hiện toàn bộ
Optical Constants and Inelastic Electron-Scattering Data for 17 Elemental Metals
Journal of Physical and Chemical Reference Data - Tập 38 Số 4 - Trang 1013-1092 - 2009
Wolfgang Werner, Kathrin Glantschnig, Claudia Draxl
Two new sets of optical data, i.e., values for the real (ε1) and imaginary (ε2) parts of the complex dielectric constant as well as the energy loss function (ELF) (Im{−1∕ε}), are presented for 16 elemental metals (Ti, V, Fe, Co, Ni, Cu, Zn, Mo, Pd, Ag, Ta, W, Pt, Au, Pb, and Bi) and 1 semimetal (Te) and are compared to available data in the literature. One data set is obtained from density...... hiện toàn bộ
Volumetric Properties of Aqueous Sodium Chloride Solutions
Journal of Physical and Chemical Reference Data - Tập 11 Số 1 - Trang 15-81 - 1982
P. S. Z. Rogers, Kenneth S. Pitzer
Literature data for the volumetric properties of sodium chloride solutions to concentrations of 5.5 molal have been compiled and critically evaluated. A semi-empirical equation of the same type found to be effective in describing the thermal properties of NaCl solutions has been used to reproduce the volumetric data from O °C to 300 °C and 1 bar to 1000 bar. Tables of values are given for ...... hiện toàn bộ
Phase Diagrams and Thermodynamic Properties of the 70 Binary Alkali Halide Systems Having Common Ions
Journal of Physical and Chemical Reference Data - Tập 16 Số 3 - Trang 509-561 - 1987
James Sangster, Arthur D. Pelton
A very extensive literature survey of all available phase diagram and thermodynamic data has been carried out for all 40 possible common-anion binary systems (AX-BX) and all 30 possible common-cation binary systems (AX-AY) involving the alkali halides (A,B =Li,Na,K,Rb,Cs; X,Y=F,Cl,Br,I). A critical analysis and evaluation of these data have been performed with a view to obtaining a ‘‘best’...... hiện toàn bộ
Octanol-Water Partition Coefficients of Simple Organic Compounds
Journal of Physical and Chemical Reference Data - Tập 18 Số 3 - Trang 1111-1229 - 1989
James Sangster
Octanol-water partition coefficients (log P) for 611 simple organic compounds representing all principal classes have been retrieved from the literature. Available experimental details of measurement are documented from original articles. Pertinent thermodynamic relations are presented, with a discussion of direct and indirect methods of measurement. Reported log P data for each compound h...... hiện toàn bộ
Vibrational and Electronic Energy Levels of Polyatomic Transient Molecules. Supplement B
Journal of Physical and Chemical Reference Data - Tập 32 Số 1 - Trang 1-441 - 2003
Marilyn E. Jacox
A summary is presented of recently published, critically evaluated experimental vibrational and electronic energy level data for approximately 1700 neutral and ionic transient molecules and high temperature species possessing from three to sixteen atoms. Although the emphasis is on species with lifetimes too short for study using conventional sampling techniques, there has been selective e...... hiện toàn bộ
Surface Tension of Seawater
Journal of Physical and Chemical Reference Data - Tập 43 Số 4 - 2014
Kishor G. Nayar, Divya Panchanathan, Gareth H. McKinley, John H. Lienhard
New measurements and a reference correlation for the surface tension of seawater at atmospheric pressure are presented in this paper. Surface tension of seawater was measured across a salinity range of 20 ⩽ S ⩽ 131 g/kg and a temperature range of 1 ⩽ t ⩽ 92 °C at atmospheric pressure using the Wilhelmy plate method. The uncertainty within measurements varied from 0.18 to 0.37 mN/m with the...... hiện toàn bộ
A Unified Fundamental Equation for the Thermodynamic Properties of H2O
Journal of Physical and Chemical Reference Data - Tập 19 Số 5 - Trang 1233-1274 - 1990
Philip G. Hill
A new unified equation of state for H2O is presented, which includes the revised and extended scaling equation of Levelt Sengers, Kamgar–Parsi, Balfour and Sengers, is continuous over all single phase states of H2O from triple point pressure and temperature to 1000 MPa (or the melting line) and 1000 °C and provides accurate representation of existing thermodynamic data in that range. In ad...... hiện toàn bộ
An International Standard Formulation for the Thermodynamic Properties of 1,1,1-Trifluoroethane (HFC-143a) for Temperatures From 161 to 450 K and Pressures to 50 MPa
Journal of Physical and Chemical Reference Data - Tập 29 Số 4 - Trang 521-552 - 2000
Eric W. Lemmon, R. T. Jacobsen
A new formulation is presented for the thermodynamic properties of refrigerant 143a (1,1,1-trifluoroethane, CH3–CF3) based upon available experimental data. The formulation can be used for the calculation of density, heat capacity, speed of sound, energy, and saturation properties using an equation of state explicit in Helmholtz energy. Ancillary equations are given for the ideal gas heat ...... hiện toàn bộ
An International Standard Equation of State for Difluoromethane (R-32) for Temperatures from the Triple Point at 136.34 K to 435 K and Pressures up to 70 MPa
Journal of Physical and Chemical Reference Data - Tập 26 Số 6 - Trang 1273-1328 - 1997
Reiner Tillner‐Roth, A. Yokozeki
A fundamental equation of state for the Helmholtz free energy of R-32 (difluoromethane) is presented which is valid from the triple point at 136.34 K to 435 K and pressures up to 70 MPa. It is based on accurate measurements of pressure-density-temperature (p,ϱ,T), speed of sound, heat capacity, and vapor pressure currently available. New values for the isobaric heat capacity cp∘ of the ide...... hiện toàn bộ
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