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Transactions of the Faraday Society


Transactions of the Faraday Society was published from 1905 - 1971.

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Paper

Trans. Faraday Soc. , 1971, 67, 31 - 34, DOI: 10.1039/TF9716700031


Solid-liquid phase equilibrium in the sodium-caesium alloy system

J. Bevan Ott, J. Rex Goates and Dee E. Oyler


Thermal methods were used to determine with high precision the solid-liquid phase equilibria diagram for the sodium-caesium system. The results differ greatly from those of earlier workers, especially near the eutectic composition, where differences in melting points as large as 35 K occur. Identification of the phases involved in the peritectic halt was not conclusive, but does support the proposal that the peritectic results from the formation of an Na2Cs intermetallic compound by a sluggish reaction.