Strem
Holmium(III) chloride
氯化钬,无水
Erbium(III) oxide
氧化铒
Erbium foil
铒
Thulium powder
铥
Ytterbium(III) Oxide
氧化镱
Tantalum(V) oxide
氧化钽
Tungsten(VI) oxide
三氧化钨
Tungsten wire
钨
七氧化二铼, Rhenium(VII) oxide
Iridium(IV) chloride, hydrate
水合四氯化铱