Binary Alloys． Using the adiabatic．calorimeter， heats of mbdng in the binary liquid alloys oonsisting of oopper and silver， gold， aluminum， gallium， indium， gerrnanium or tin were determi：ned at 1100。C。 The experimental data obtained were represented by the fbllowingξfunction＝ ∠1牙 ξ＝ Xbu(1-XCu)．