Tesaurus d'Art i Arquitectura Getty Institute 0000-00-00 2024-01-24 15:40:44 en noble metal300241621metal, noblenoble metals Metal or alloy that is resistant to oxidation, corrosion, and dissolution by acids. Noble metals remain bright when heated in air. Examples of noble metals are gold, iridium, mercury, osmium, platinum, and ruthenium. In physics, noble metals are restricted to those having filled electronic d-bands: according to this definition in physics, only gold, silver, and copper are noble metals. Many noble metals are also precious metals, due to their rarity in the Earth's crust. metal noble metall noble 2026-03-30 20:41:12