Lehmann&Voss&Co. KG
Erbium (7440-52-0)
Dysprosium (7429-91-6)
Holmium (7440-60-0)
Europium (7440-53-1)
Praseodymium (7440-10-0)
Samarium (7440-19-9)
Gadolinium (7440-54-2)
Terbium (7440-27-9)
Thulium (7440-30-4)
Ytterbium (7440-64-4)
Lutetium (7439-94-3)
Lithium (7439-93-2)