Abstract
The partial enthalpies of silicon, vanadium, zirconium, niobium and molybdenum in liquid tin at 1173 K were measured at high dilution by direct reaction calorimetry (drop method) with the help of a Tian-Calvet high-temperature calorimeter. When referred to liquid metals we found h
si
/kj. mol
−1
= 99.4-263.0 x
si
, hv/kj. mol
−1
= 102.8-14.8x
v
, h
zr
/kJ. mol
−1
= 124.2-18.1x
zr
,h
Nb
/kJ .mol
−1
= 81.7 + 72.5x
Nb
and h
Mo
/kJ. mol
−1
= 115.4-159.9x
Mo
. The limiting partial enthalpies were deduced by extrapolation at infinite dilution.