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 1934 (OTTO) Platinum, powder, 99.9% Cas 7440-06-4 - used to catalyze the ignition of hydrogen. P 1934 (OTTO) Platinum, powder, 99.9% Cas 7440-06-4 - used as a catalyst in chemical reactions.