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Metal and Alloys

What is Lowest melting point alloy?

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February 26, 2009 10:38PM

An alloy of 4.2% sodium, 22.2% potassium and 73.6% caesium freezes at -78 deg C. For comparison pure mercury freezes at -39 deg C and Galinstan (an alloy of gallium, indium and tin) freezes at -19 deg C.