publication . Article . Other literature type . 1977

humidity fixed points of binary saturated aqueous solutions

Greenspan, Lewis;
Open Access
  • Published: 01 Jan 1977 Journal: Journal of Research of the National Bureau of Standards Section A: Physics and Chemistry, volume 81A, page 89 (issn: 0022-4332, Copyright policy)
  • Publisher: National Institute of Standards and Technology (NIST)
An evaluated compilation of equilibrium relative humidities in air versus temperature from pure phase to approximately 105 pascal (1 atm) in pressure is presented for 28 binary saturated aqueous solutions. The relative humidities of the solutions range from about 3 to 98 percent. Using a data base from 21 separate investigations comprising 1106 individual measurements, fits were made by the method of least squares to regular polynomial equations with two through four coefficients. Equations and tables are presented along with the estimated uncertainties in the correlated results. Research, hygrometer calibration, testing and material conditioning often require t...
free text keywords: Moisture sorption isotherm, Least squares, Hygrometer, Chemistry, Aqueous solution, Mineralogy, Vapor pressure, Relative humidity, Thermodynamics, Humidity, Saturation (chemistry)
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