Context
Zinc metallurgy

Zinc belongs to group II B of the periodic table:

• transition metal series ;

• atomic number: 30 ;

• atomic mass: 65.38 ;

• compact hexagonal crystal system: σ = 0.267 nm, c = 0.495 nm ;

• enthalpy of fusion: 108.8 kJ · kg^-1;

• enthalpy of vaporization: 1,799.8 kJ · kg^-1;

• melting point: 419 °C ;

• boiling temperature: 907°C ;

• viscosity: 3.17 × 10^-3 Pa · s at 450 °C ;

• surface tension: 7.8 mN · cm^-1;

• heat capacity by mass between 20 and 100 °C: 389 J · kg^-1· K^-1;

• density at 20 °C: 7.14 ;

• Liquid...