Strem
Erbium foil
Thulium powder
Ytterbium(III) Oxide
氧化镱
Tantalum(V) oxide
氧化钽
Tungsten(VI) oxide
三氧化钨
Tungsten wire
七氧化二铼, Rhenium(VII) oxide
Iridium(IV) chloride, hydrate
水合四氯化铱
氯化金, Gold(III) chloride
Lead(II) chloride
氯化铅