Magnetic Susceptibility of Alkali Elements

Part II: Liquid Alloys of Sodium and Potassium

K. Venkateswarlu 1  and S. Sriraman 1
  • 1 Department of Physics; Annamalai University, Annamalainagar, South India

Alloys of sodium and potassium were prepared in vacuum in a specially blown pyrex glass apparatus. Several bulbs containing these alloys of different compositions have been studied at tempera tures ranging from 30° to 250°C. The compositions of these alloys have been determined by gravimetric method. The results show that for the alloys of all compositions the additivity law is obeyed both at room temperature and at higher temperatures. No evidence for the formation of the compound Na2K could be detected from the magnetic study.

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