IRIDIUM ( Ir )
Iridium is the rarest and most corrosion resistant of the PGMs. It is very dense and has a high chemical and thermal stability. Like platinum, iridium is biologically compatible and has many medical applications.
Physical Properties Of Iridium
- Melting point 2719 K (2446 °C, 4435 °F)
- Boiling point 4403 K (4130 °C, 7466 °F)
- Density (near r.t.) 22.56 g/cm3