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Solubility of potassium, rubidium, and cesium in liquid lithium at high temperatures

Authors
  • Khairulin, R. A.1
  • Abdullaev, R. N.1
  • Stankus, S. V.1
  • 1 Kutateladze Institute of Thermophysics SB RAS, Novosibirsk, Russia , Novosibirsk (Russia)
Type
Published Article
Journal
Thermophysics and Aeromechanics
Publisher
Kutateladze Institute of Thermophysics SB RAS
Publication Date
Jan 01, 2021
Volume
28
Issue
1
Pages
147–151
Identifiers
DOI: 10.1134/S0869864321010145
Source
Springer Nature
Keywords
License
Yellow

Abstract

The solubility of heavy alkali metals in liquid lithium was investigated at temperatures from the melting point of Li to ∼1200 K by the method of gamma-raying of liquid samples by a narrow beam of gamma radiation. Even at high temperatures, the solubility of K, Rb, and Cs in liquid lithium has been found to be very insignificant. The potassium content in the lithium-rich phase is 0.2 at. % at 850 K and 3.4 at. % at 1212 K. The solubility of rubidium in liquid lithium, within the measurement error, is zero at temperatures from 453 K (melting point of Li) to 800 K and reaches only 0.5 at. % at 1172 K. Cesium is practically insoluble in liquid lithium up to a temperature of 1150 K.

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