Ytterbium metal Oxides Lanthanum metal Cerium metal Praseodymium metal Neodymium metal Samarium metal Europium metal Gadolinium metal Terbium metal Dysprosium metal Holmium metal Erbium metal Thulium metal Ytterbium metal Lutetium metal Scandium metal Yttrium metal Ytterbium metal CAS # 7440-64-4 Molecular Formula Yb Molecular Weight 173.04 gmol-1 3N (99.9%) 33% 33% 4N (99.99%) 66% 66% 5N (99.999%) 100% 100% Interested in this Product?YesNoGET A QUOTE