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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 22, Iss. 20 — Oct. 15, 1983
  • pp: 3265–3270

Accurate determination of the vapor pressure of potassium using optical absorption

B. Shirinzadeh and Charles C. Wang  »View Author Affiliations


Applied Optics, Vol. 22, Issue 20, pp. 3265-3270 (1983)
http://dx.doi.org/10.1364/AO.22.003265


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Abstract

The vapor pressure of potassium has been measured in absorption using a cw tunable laser and calibrated against the accurate radiative lifetime of the 4s—4p doublet of potassium. An accurate value of 20,850 ± 30 cal/mol for the heat of vaporization (from the liquid phase) at the melting point was determined.

© 1983 Optical Society of America

History
Original Manuscript: March 17, 1983
Published: October 15, 1983

Citation
B. Shirinzadeh and Charles C. Wang, "Accurate determination of the vapor pressure of potassium using optical absorption," Appl. Opt. 22, 3265-3270 (1983)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-22-20-3265

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