- Materials
- Forms
-
Services
-
Services
-
-
Sectors
-
Supporting cutting edge research and development with advanced materials to your needs.
High performance materials for extreme conditions.
Innovative and lightweight materials with high mechanical properties and durability.
Materials used in chemical engineering from consumables to innovative solutions.
Advanced materials characterized by high electrical or insulation performance.
High quality materials for renewable energy.
Biocompatible and biodegradable materials to the highest standards.
High purity, biocompatible materials for high performance devices and applications.
High purity metals and alloys in various forms and crucibles suitable to your needs.
State of the art materials for the next generation of technologies.
High performance materials for extreme conditions.
Durable materials for corrosive environments.
Foils, disks or windows across a range of materials to facilitate your innovation.
Polymers, metal foils, and sustainable materials for your packaging needs.
Your requirements for unique products and attributes will be met across our 170,000+ product range and customization capabilities.
High-quality materials across branded products in various forms including rods, wires, and foils support space technology needs.
Highest quality materials to support your need for small-quantity specialist materials such as graphite and lithium compounds.
High purity materials to improve the reproducibility and reliability of your evaporation processes.
Academia Aerospace & Aeronautical Automotive Chemical Manufacturing Electronics and Bioelectronics Fuel Cells & Hydrogen Life Science and Biomaterials Storage & Batteries Vacuum Technology Mining and Metals Nanomaterials Nuclear Oil & Gas Optics Packaging Research & Labs Space Technology Medical Devices
-
-
Resources
-
Find out our latest news.
Read our latest insights, and opinions.
Discover our Innovation Discovered podcasts on innovation, products, interesting topics, and more.
Find out how we've worked with our partners
Our latest updates on what we are doing, find out more.
Find out more about us and the great roles we have available for talented individuals. Find out more.
Take a look at our global distributors.
Explore our FAQ resource to help answer your key questions.
Gain a clearer picture of the language used in scientific study
-
- About Us
Toggle Nav
Bismuth Disk
Bismuth disks offer high purity bismuth with a low melting point, high diamagnetism and low toxicity. These disks have applications in the research and development of thermoelectric devices. The variety of sizes available allow for customization for specific experimental setups. As part of Goodfellow's broad selection of materials, the Bismuth Disk enables investigation of this unique element's properties.
Formula: Bi
Percentage Purity: 99.97%
Thickness: 25mm
Diameter: 60mm
CAS Number: 7440-69-9
UOM Code: 741-977-83
Percentage Purity: 99.97%
Thickness: 25mm
Diameter: 60mm
CAS Number: 7440-69-9
UOM Code: 741-977-83
SKU: 1000052160
Product Code: BI00-SH-000125
Tolerances
Disk
| Thickness | >0.05mm | ±10% |
|---|---|---|
| Thickness | <0.01mm | ±25% |
| Thickness | 0.01mm - 0.05mm | ±15% |
Tolerances
Disk
| Thickness | >0.05mm | ±10% |
|---|---|---|
| Thickness | <0.01mm | ±25% |
| Thickness | 0.01mm - 0.05mm | ±15% |
$1,116.28
each
- Buy 5 for $904.19 each and save 19%
- Buy 10 for $826.05 each and save 26%
No Minimum order
Free technical support
*Free delivery worldwide
Material Properties for Metals
Atomic Properties
| Element | Value |
|---|---|
| Atomic number | 83 |
| Crystal structure | Rhombohedral |
| Electronic structure | Xe 4f¹⁴ 5d¹⁰ 6s² 6p³ |
| Valences shown | 3, 5 |
| Atomic weight( amu ) | 208.9804 |
| Thermal neutron absorption cross-section( Barns ) | 0.034 |
| Photo-electric work function( eV ) | 4.4 |
| Atomic radius - Goldschmidt( nm ) | 0.182 |
| Ionisation potential( No./eV ) | 5/ 56.0 |
| Ionisation potential( No./eV ) | 1/ 7.29 |
| Ionisation potential( No./eV ) | 3/ 25.6 |
| Ionisation potential( No./eV ) | 4/ 45.3 |
| Ionisation potential( No./eV ) | 6/ 88.3 |
| Ionisation potential( No./eV ) | 2/ 16.7 |
Mechanical Properties
| Element | Value |
|---|---|
| Material condition | Polycrystalline |
| Poisson's ratio | 0.33 |
| Bulk modulus( GPa ) | 31.3 |
| Tensile modulus( GPa ) | 34 |
| Hardness - Vickers( kgf mm⁻² ) | 16-19 |
Electrical Properties
| Element | Value |
|---|---|
| Electrical resistivity( µOhmcm ) | 117@20@20°C |
| Temperature coefficient( K⁻¹ ) | 0.0046@0-100°C |
| Thermal emf against Pt (cold 0C - hot 100C)( mV ) | -7.34 |
Physical Properties
| Element | Value |
|---|---|
| Boiling point( C ) | 1560 |
| Density( gcm⁻³ ) | 9.8@20°C |
Thermal Properties
| Element | Value |
|---|---|
| Melting point( C ) | 271.3 |
| Latent heat of evaporation( J g⁻¹ ) | 857 |
| Latent heat of fusion( J g⁻¹ ) | 52 |
| Specific heat( J K⁻¹ kg⁻¹ ) | 124@25°C |
| Thermal conductivity( W m⁻¹ K⁻¹ ) | 7.9@0-100°C |
| Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) | 13.4@0-100°C |
Other Customers Purchased
-
Tungsten Disk Single Crystal Formula: W
Percentage Purity: 99.99%
Thickness: 2mm
Diameter: 10mm
Orientation: -110
Orientation Accuracy: =< 1°
Polish: Polished
Surface Finish: =< 0.03µm Ra
CAS Number: 7440-33-7
UOM Code: 100-748-47
eachStarting at $1,156.08
Discounts applied for volume purchases -
Titanium/Palladium Alloy Disk (Ti99.85/Pd 0.15) Formula: Ti99.85/Pd 0.15
Thickness: 0.45mm
Diameter: 4mm
UOM Code: 025-865-28
eachStarting at $124.82
Discounts applied for volume purchases -
Tin Disk Single Crystal Formula: Sn
Percentage Purity: 99.999%
Thickness: 2mm
Diameter: 10mm
Orientation: -110
Orientation Accuracy: =< 0.4°
Polish: Polished
Surface Finish: =< 0.03µm Ra
CAS Number: 7440-31-5
UOM Code: 105-350-60
eachStarting at $1,223.52
Discounts applied for volume purchases -
Bismuth Foil Formula: Bi
Percentage Purity: 99.999%
Thickness: 2mm
Length 1: 10mm
Length 2: 10mm
CAS Number: 7440-69-9
UOM Code: 053-774-95
eachStarting at $277.26
Discounts applied for volume purchases -
Nickel/Iron/Molybdenum Alloy Disk (Ni80/Fe15.5/Mo 4.5) Formula: Ni80/Fe15.5/Mo 4.5
Temper: Annealed
Thickness: 0.5mm
Diameter: 10mm
UOM Code: 712-328-62
eachStarting at $124.42
Discounts applied for volume purchases -
Tantalum Disk Single Crystal Formula: Ta
Percentage Purity: 99.999%
Thickness: 5mm
Diameter: 5mm
Orientation: -110
Orientation Accuracy: =< 0.4°
Polish: Polished
Surface Finish: =< 0.03µm Ra
CAS Number: 7440-25-7
UOM Code: 102-991-88
eachStarting at $1,156.08
Discounts applied for volume purchases
