Tantal
Tantalum
Tantalum is a chemical element with the symbol Ta and atomic number 73. It belongs to the transition metals and is a hard, rare, blue-gray metal. Tantalum was first discovered in 1802 by Anders Gustaf Ekeberg and named after the Greek mythological figure Tantalus.
Properties of Tantalum
- Atomic number: 73
- Symbol: Ta
- Atomic mass: 180.94788 u
- Group: Transition metals
- State at room temperature: Solid
- Density: 16.69 g/cm³
- Melting point: 3017 °C
- Boiling point: 5458 °C
Discovery and History
Tantalum was discovered in 1802 by the Swedish chemist Anders Gustaf Ekeberg. The element was named after Tantalus, a figure from Greek mythology. It was only later that tantalum could be distinguished from niobium, a chemically similar element.
Applications and Uses
- Electronics: Used in the production of tantalum electrolytic capacitors, which are widely found in mobile phones, computers, and other electronic devices.
- Medical technology: Due to its biocompatibility, tantalum is used for surgical implants and medical instruments.
- Aerospace: Tantalum alloys are used in the aerospace industry for their resistance to high temperatures and corrosion.
- Chemical industry: Used in chemical plants due to its resistance to corrosive environments.
Safety Measures
Tantalum and its compounds are generally considered relatively non-toxic. However, direct contact and inhalation of dust should be avoided during processing to minimize potential health risks.
Additional Information
Further information on tantalum and its applications can be found on scientific websites and in specialized literature.
Conclusion
Tantalum is a valuable element with numerous applications across various industries. Its high corrosion resistance and biocompatibility make it an important material in electronics, medical technology, and the aerospace industry.