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Vapor pressure, latent heat of vaporization, and triple-point temperature of N2O
1945
Journal of research of the National Bureau of Standards
Preserved Fulltext
The vapor pressure of N20 has been measured from the triple point (T= 182.351 ° K=-90.809°C, p=658.9 mm Hg) to 236°K (p=10.25 atm). The data are compared with previous work in a graph that includes the entire liquid range. The latent heat of vaporization was measured from the triple point to 205° K. At the boiling point (184.695°K=-88.465°C) the latent heat is 16.55 kj mole-I. The consistency of the data was tested with Clapeyron's equation, which was also used to compute latent heats above the range of the direct measurements. CONTENTS Page
doi:10.6028/jres.034.015
fatcat:7pk5ngaambbrdivelp4wxakpni