Purity:99.9%, 99.95%, 99.99%, 99.995%, 99.999%
Shape:Discs, Plates, Column Targets, Step Targets, Custom-made
Tantalum is a chemical element originated from King Tantalus, father of Niobe from Greek mythology. It was first mentioned in 1802 and observed by G. Ekeberg. “Ta” is the canonical chemical symbol of tantalum. Its atomic number in the periodic table of elements is 73 with location at Period 6 and Group 5, belonging to the d-block. The relative atomic mass of tantalum is 180.94788(2) Dalton, the number in the brackets indicating the uncertainty.
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