Iridium Rod
Formula: Ir
Percentage Purity: 99.9%
Diameter: 6mm
Length: 13mm
Temper: As Drawn
CAS Number: 7439-88-5
UOM Code: 021-195-42
SKU: 1000002505
Product Code: IR00-RD-000140
Percentage Purity: 99.9%
Diameter: 6mm
Length: 13mm
Temper: As Drawn
CAS Number: 7439-88-5
UOM Code: 021-195-42
SKU: 1000002505
Product Code: IR00-RD-000140
Material Properties for Precious Metals
Atomic Properties
| Element | Value |
|---|---|
| Atomic number | 77 |
| Crystal structure | Face centred cubic |
| Electronic structure | Xe 4f¹⁴ 5d⁷ 6s² |
| Valences shown | 3, 4 |
| Atomic weight( amu ) | 192.22 |
| Thermal neutron absorption cross-section( Barns ) | 425 |
| Photo-electric work function( eV ) | 4.6 |
| Natural isotope distribution( Mass No./% ) | 191/ 37.3 |
| Natural isotope distribution( Mass No./% ) | 193/ 62.7 |
| Atomic radius - Goldschmidt( nm ) | 0.135 |
Mechanical Properties
| Element | Value |
|---|---|
| Material condition | Soft |
| Material condition | Hard |
| Poisson's ratio | 0.26 |
| Poisson's ratio | 0.26 |
| Bulk modulus( GPa ) | 371 |
| Bulk modulus( GPa ) | 371 |
| Tensile modulus( GPa ) | 528 |
| Tensile modulus( GPa ) | 528 |
| Hardness - Vickers( kgf mm⁻² ) | 650 |
| Hardness - Vickers( kgf mm⁻² ) | 200-300 |
| Tensile strength( MPa ) | 550-1100 |
| Tensile strength( MPa ) | 1200 |
Electrical Properties
| Element | Value |
|---|---|
| Electrical resistivity( µOhmcm ) | 5.1@20@20°C |
| Superconductivity critical temperature( K ) | 0.11 |
| Temperature coefficient( K⁻¹ ) | 0.0045@0-100°C |
| Thermal emf against Pt (cold 0C - hot 100C)( mV ) | 0.65 |
Physical Properties
| Element | Value |
|---|---|
| Boiling point( C ) | 4130 |
| Density( gcm⁻³ ) | 22.4@20°C |
Thermal Properties
| Element | Value |
|---|---|
| Melting point( C ) | 2410 |
| Latent heat of evaporation( J g⁻¹ ) | 3186 |
| Latent heat of fusion( J g⁻¹ ) | 135 |
| Specific heat( J K⁻¹ kg⁻¹ ) | 133@25°C |
| Thermal conductivity( W m⁻¹ K⁻¹ ) | 147@0-100°C |
| Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) | 6.8@0-100°C |