Wollaston Platinum Spooled Wire

Grade: Wollaston

Formula: Pt

Form: Wire

Material: Platinum

CAS Number: 7440-06-4

Commodity: Precious Metals

Purity: 99.9%

Wollaston Platinum Spooled Wire from Goodfellow is a range of platinum wire products available in 67 variations. Platinum wire is known for its high melting point, corrosion resistance, and electrical conductivity. It is commonly used in scientific equipment like thermocouples and resistance thermometers due to its stable electrical properties. Platinum wire also sees use in industry for its inertness and ability to withstand high temperatures, finding applications in glass manufacturing equipment. Goodfellow's Wollaston Platinum Spooled Wire covers a wide range of diameters and length to suit different needs.

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Technical Data Sheet Safety Data Sheet Tolerance Properties

each

Tolerances

Wire

Diameter		±10%
Length		+5% / -1%

Material Properties for Precious Metals

Atomic Properties

Element	Value
Atomic number	78
Crystal structure	Face centred cubic
Electronic structure	Xe 4f¹⁴ 5d⁹ 6s¹
Valences shown	1,2,3,4
Atomic weight( amu )	195.08
Thermal neutron absorption cross-section( Barns )	9
Photo-electric work function( eV )	5.3
Natural isotope distribution( Mass No./% )	192/ 0.79
Natural isotope distribution( Mass No./% )	196/ 25.30
Natural isotope distribution( Mass No./% )	190/ 0.01
Natural isotope distribution( Mass No./% )	195/ 33.80
Natural isotope distribution( Mass No./% )	198/ 7.20
Natural isotope distribution( Mass No./% )	194/ 32.90
Atomic radius - Goldschmidt( nm )	0.138
Ionisation potential( No./eV )	1/ 9.0
Ionisation potential( No./eV )	2/ 18.6

Mechanical Properties

Element	Value
Material condition	Hard
Material condition	Soft
Poisson's ratio	0.39
Poisson's ratio	0.39
Bulk modulus( GPa )	276
Bulk modulus( GPa )	276
Tensile modulus( GPa )	170
Tensile modulus( GPa )	170
Hardness - Vickers( kgf mm⁻² )	40
Hardness - Vickers( kgf mm⁻² )	100
Tensile strength( MPa )	200-300
Tensile strength( MPa )	125-150
Yield strength( MPa )	14-35
Yield strength( MPa )	185

Electrical Properties

Element	Value
Electrical resistivity( µOhmcm )	10.58@20@20°C
Temperature coefficient( K⁻¹ )	0.00392@0-100°C

Physical Properties

Element	Value
Boiling point( C )	3827
Density( gcm⁻³ )	21.45@20°C

Thermal Properties

Element	Value
Melting point( C )	1772
Latent heat of evaporation( J g⁻¹ )	2405
Latent heat of fusion( J g⁻¹ )	101
Specific heat( J K⁻¹ kg⁻¹ )	133@025°C
Thermal conductivity( W m⁻¹ K⁻¹ )	71.6@0-100°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ )	9@0-100

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Wollaston Platinum Spooled Wire

Tolerances

Material Properties for Precious Metals