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1955•Proceedings of the Royal Society of London A Mathematical and Physical SciencesRequires access

The specific heats of potassium, rubidium and caesium at temperatures below 330° K

T. M. Dauphinee, Douglas L. Martin, H. Preston-Thomas

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Abstract

Abstract The specific heats of potassium, rubidium and caesium have been measured within the temperature range ~ 20 to 330° K. As in the previously reported case of sodium, anomalies have been found in the specific heats of all these metals. The anomaly in rubidium is found to be affected by heat treatment of the sample. The caesium measurements give direct calorimetric information relating to the caesium-oxygen binary system.

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Abstract The specific heats of potassium, rubidium and caesium have been measured within the temperature range ~ 20 to 330° K. As in the previously reported case of sodium, anomalies have been found in the specific heats of all these metals. The anomaly in rubidium is found to be affected by heat treatment of the sample. The caesium measurements give direct calorimetric information relating to the caesium-oxygen binary system.

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Available abstract

Abstract The specific heats of potassium, rubidium and caesium have been measured within the temperature range ~ 20 to 330° K. As in the previously reported case of sodium, anomalies have been found in the specific heats of all these metals. The anomaly in rubidium is found to be affected by heat treatment of the sample. The caesium measurements give direct calorimetric information relating to the caesium-oxygen binary system.

Key concepts: Rubidium, Caesium, Potassium, Chemistry, Sodium, Anomaly (physics), Alkali metal, Radiochemistry

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