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Notes 
 Values are given in terms of temperature necessary to reach the specified pressure.
 Ref. CRC: Uncertainties of several degrees should generally be assumed. (e) Indicates extrapolated values beyond the region of experimental data, subject to greater uncertainty. (i) Indicates values calculated from ideal gas thermodynamic functions. (s) Indicates the substance is solid at this temperature.
 Ref. CR2: The equations reproduce the observed pressures to an accuracy of ±5% or better.
 A conversion factor of log 101325 is included into the original first coefficient of the equations on this page to provide the pressure in pascals. Valid results within the quoted ranges from most equations are included in the table for comparison.

References

CRC 
As quoted from various sources in an online version of:
 David R. Lide (ed), CRC Handbook of Chemistry and Physics, 84th Edition. CRC Press. Boca Raton, Florida, 2003; Section 6, Fluid Properties; Vapor Pressure

CR2 
Vapor pressure equation and coefficients from this source in an online version of: David R. Lide (ed), CRC Handbook of Chemistry and Physics, 84th Edition. CRC Press. Boca Raton, Florida, 2003; Section 4, Properties of the Elements and Inorganic Compounds; Vapor Pressure of the Metallic Elements
 Alcock, C. B., Itkin, V. P., and Horrigan, M. K., Canadian Metallurgical Quarterly, 23, 309, 1984.

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