Platinum is a chemical element with symbol Pt and atomic number 78. It is dense, malleable, ductile, highly unreactive, precious, gray-white transition metal.
P 9396 (OTTO)Platinum sputtering target, 50.8mm (2.0in) dia x 1.6 mm (0.063 in) thick, 99.99% - used to make weights and measures standards, electronics industry for electrical contacts, and it is used to manufacture electrodes, manufacture jewelry and also used as catalyst.