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Alloys of sodium (Na) and potassium (K) are being considered as coolants for space reactors. particular, NaK-56 and NaK-78 (N

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iVen Nak 56 Nak 1g (Nak-56wly, and Nak-Kae%) both alloy wll be ag 1C Cun 6.6 C

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