Description
Characteristics of high purity zinc ingot:
- Shining white metal with bluish gray luster (called spelter). Not found native. Soluble in acids and alkalies. Insoluble in water. Malleable at 100-150 oC. Strongly electropositive. Zinc foil will ignite in presence of moisture. Low toxicity.
- Hazards: Flammable, dangerous fire and explosion risk (dust).
General Properties of high purity zinc ingot:
| Symbol | Zn |
| Atomic Number | 30 |
| Atomic Weight | 65.38 |
| Density | 7.133gm/cc |
| Melting Point | 419.58 centigrade |
| Boiling Point | 907 centigrade |
| Thermal Conductivity | 1.16W/CM/K AT 298.2K |
| Electrical Resistivity | 5.916MICRO-CM AT 20 centigrade |
| Electronegativity | 1.6 Paulings |
| Specific Heat | 0.0928Cal/g/k at 25 centigrade |
| Heat of Vaporization | 27.4kcal/gm atom at 907 centigrade |
| Heat of Fusion | 1.595 cal/gm mole |
