Premion® Compounds

Premion® is Alfa Aesar’’s trademarked name for high purity precious metal compounds and pure elements. Premion® compounds include the following metals: Platinum (Pt), Palladium (Pd), Rhodium (Rh), Iridium (Ir), Ruthenium (Ru), Osmium (Os), Silver (Ag), and Gold (Au). The minimum purity for Premion® compounds is 99.95% (metals basis).