Temperature dependence of the density of liquid tin

The two-capillary pycnometer method is used to study the temperature dependence of the density of tin in the temperature range from $T$ melt to $770$ K. The measurements are carried out in a superhigh vacuum in higher purity samples. The experimental data are described by an equation of the straight line $\rho(T)=7374.7-676.5\times10^{-3}T$ rand do not confirm the anomaly (observed previously by some authors) in the form of a minimum on the poly therm of the density of tin in the temperature range from $610$ to $700$ K.