Gold Pellets

Gold Pellets are precision-formed cylindrical or spheroidal units of high-purity gold, engineered for controlled melting, alloying, and deposition processes. Known for exceptional chemical inertness, high density, and outstanding electrical and thermal conductivity, these pellets are indispensable in microelectronics, optics, and catalysis. They are widely used in vacuum evaporation, sputtering target feedstock, and precision alloy formulation. Specific applications include thin-film deposition for semiconductor interconnects, optical coatings for high-reflectivity mirrors, and catalytic systems in chemical reactors. Their uniform shape and consistent mass ensure predictable melt behavior, minimizing contamination and enabling reproducible results in research and production environments. Gold Pellets support innovations in nanofabrication, surface engineering, and quantum device development, where material purity and process reliability are paramount. In industrial contexts, they are vital for scaling up high-performance coating and bonding processes, bridging the gap between laboratory-scale experimentation and commercial manufacturing.

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Tolerance

Properties

Reference & Citations

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Tolerances

Pellets

Maximum Lump Size		Nominal

Material Properties for Precious Metals

Atomic Properties

Element	Value
Atomic number	79
Crystal structure	Face centred cubic
Electronic structure	Xe 4f¹⁴ 5d¹⁰ 6s¹
Valences shown	1,3
Atomic weight( amu )	196.9665
Thermal neutron absorption cross-section( Barns )	98.8
Photo-electric work function( eV )	4.8
Atomic radius - Goldschmidt( nm )	0.144
Ionisation potential( No./eV )	1/ 9.22
Ionisation potential( No./eV )	2/ 20.5

Mechanical Properties

Element	Value
Material condition	Soft
Material condition	Hard
Poisson's ratio	0.42
Poisson's ratio	0.42
Bulk modulus( GPa )	171
Bulk modulus( GPa )	171
Tensile modulus( GPa )	78.5
Tensile modulus( GPa )	78.5
Hardness - Vickers( kgf mm⁻² )	20-30
Hardness - Vickers( kgf mm⁻² )	60
Tensile strength( MPa )	130
Tensile strength( MPa )	220
Yield strength( MPa )	205
Yield strength( MPa )	-

Electrical Properties

Element	Value
Electrical resistivity( µOhmcm )	2.20@20@20°C
Temperature coefficient( K⁻¹ )	0.004@0-100°C
Thermal emf against Pt (cold 0C - hot 100C)( mV )	0.74

Physical Properties

Element	Value
Boiling point( C )	3080
Density( gcm⁻³ )	19.3@20°C

Thermal Properties

Element	Value
Melting point( C )	1064.4
Latent heat of evaporation( J g⁻¹ )	1738
Latent heat of fusion( J g⁻¹ )	64.9
Specific heat( J K⁻¹ kg⁻¹ )	129@25°C
Thermal conductivity( W m⁻¹ K⁻¹ )	318@0-100°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ )	14.1@0-100°C