Tantalum

• Tantalum is a rare metal with the symbol Ta and atomic number 73.
• It is typically found in the ore columbite-tantalite (coltan) and is a solid at room temperature.
• Tantalum is a shiny, silvery metal that is soft when pure and has an extremely high melting point.
• It is one of the hardest materials known when combined with graphite.
• The Central Government’s notification of Tantalum as a Critical and Strategic Mineral highlights its importance in various industries.

Properties of Tantalum

• Classified as a transition metal, Tantalum is virtually resistant to corrosion due to an oxide film on its surface.
• It is ductile when pure, meaning it can be stretched or drawn into a thin wire without breaking.
• Tantalum belongs to a class of metals known as refractory metals, which are defined by their strong resistance to heat and wear.

Applications of Tantalum

• Tantalum is prominently used in the electronic sector, particularly in the production of capacitors.
• Its high melting point makes it an ideal substitute for platinum in various applications.
• Tantalum is also used in making components for chemical plants, nuclear power plants, aeroplanes, and missiles.
• Its non-reactive properties make it suitable for use in surgical equipment and implants.