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 3792 (OTTO) Platinum wire, 1.25 mm (± 0.1 mm) dia, 99.95%+ Cas 7440-06-4 - used for electrodes; platinum pans and supports are used in thermogravimetric analysis because of the stringent requirements of chemical inertness upon heating to high temperatures (~1000 °C).