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 0018 (OTTO) Platinum wire, 0.025 mm (0.001in) dia, 99.95% Cas 7440-06-4 - used for electrodes; platinum pans and supports are used in thermogravimetric analysis.