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Formula: Ag
Form: Coil
Material: Silver
CAS Number: 7440-22-4
Commodity: Precious Metals
Silver coil (silver roll) is used in high-frequency electronic circuits, as current leads in cryogenic systems, and in precision sensor technology due to its high electrical conductivity and thermal stability. In research, silver’s surface plasmonic properties enhance performance in nanotechnology, catalysis, and spectroscopy for photonic and optoelectronic applications. Its high reflectivity and oxidation resistance make it essential for laser systems, optical coatings, and high-precision imaging, ensuring longevity and efficiency in scientific and industrial instrumentation.
Technical Data Sheet Safety Data Sheet Tolerance Properties
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Tolerances

Coil
Thickness <0.01mm ±25%
Thickness 0.01mm - 0.05mm ±15%
Thickness >0.05mm ±10%

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

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