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Formula: Ag
Form: Single Crystal
Material: Silver
CAS Number: 7440-22-4
Commodity: Precious Metals
Purity:
99.999%
Thickness:
1mm
Goodfellow's Silver Square Single Crystals come in 29 variations. Single crystals like these are integral to materials science research across disciplines, serving key roles in experiments that investigate fundamental physics, catalytic chemistry, and intrinsic materials properties. For example, silver’s high thermal and electrical conductivity make these single crystals well-suited for applications as electrodes. Their precisely controlled purity, lack of grain boundaries, and specific orientation also allow them to function as monochromators or analyzers for x-rays and neutrons.
Tolerances
Single Crystal
| Orientation | See Item | |
|---|---|---|
| Thickness | +2% / -1% | |
| Length | +2% / -1% |
Square
| Size | +2% / -1% |
|---|
Material Properties for Precious Metals
Atomic Properties
| Element | Value |
|---|---|
| Atomic number | 47 |
| Crystal structure | Face centred cubic |
| Electronic structure | Kr 4d¹⁰ 5s¹ |
| Valences shown | 1-2,2 |
| Atomic weight( amu ) | 107.8682 |
| Thermal neutron absorption cross-section( Barns ) | 63.8 |
| Photo-electric work function( eV ) | 4.7 |
| Natural isotope distribution( Mass No./% ) | 107/ 51.83 |
| Natural isotope distribution( Mass No./% ) | 109/ 48.17 |
| Atomic radius - Goldschmidt( nm ) | 0.144 |
| Ionisation potential( No./eV ) | 2/ 21.5 |
| Ionisation potential( No./eV ) | 1/ 7.58 |
| Ionisation potential( No./eV ) | 3/ 34.8 |
Mechanical Properties
| Element | Value |
|---|---|
| Material condition | Hard |
| Material condition | Soft |
| Poisson's ratio | 0.367 |
| Poisson's ratio | 0.367 |
| Bulk modulus( GPa ) | 103.6 |
| Bulk modulus( GPa ) | 103.6 |
| Tensile modulus( GPa ) | 82.7 |
| Tensile modulus( GPa ) | 82.7 |
| Izod toughness( J m⁻¹ ) | 5 |
| Hardness - Vickers( kgf mm⁻² ) | 95 |
| Hardness - Vickers( kgf mm⁻² ) | 25 |
| Tensile strength( MPa ) | 330 |
| Tensile strength( MPa ) | 172 |
Electrical Properties
| Element | Value |
|---|---|
| Electrical resistivity( µOhmcm ) | 1.63@20@20°C |
| Temperature coefficient( K⁻¹ ) | 0.0041@0-100°C |
| Thermal emf against Pt (cold 0C - hot 100C)( mV ) | 0.74 |
Physical Properties
| Element | Value |
|---|---|
| Boiling point( C ) | 2212 |
| Density( gcm⁻³ ) | 10.5@20°C |
Thermal Properties
| Element | Value |
|---|---|
| Melting point( C ) | 961.9 |
| Latent heat of evaporation( J g⁻¹ ) | 2390 |
| Latent heat of fusion( J g⁻¹ ) | 103 |
| Specific heat( J K⁻¹ kg⁻¹ ) | 237@25°C |
| Thermal conductivity( W m⁻¹ K⁻¹ ) | 429@0-100°C |
| Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) | 19.1@0-100°C |