Terbium foil

Dysprosium(III) oxide

氧化镝

Holmium powder

Erbium(III) oxide

氧化铒

Thulium(III) oxide

三氧化二铥

Ytterbium(III) fluoride

氟化镱

Lutetium(III) acetate hydrate

乙酸镥

Tantalum(V) ethoxide

乙醇钽

Tungsten(IV) sulfide

二硫化钨

高铼酸钠, Sodium perrhenate