Holmium powder

Erbium(III) oxide

氧化铒

Erbium(III) carbonate hydrate

碳酸铒(III)水合物

Thulium(III) acetylacetonate trihydrate

乙酰丙酮铥三水合物

Thulium foil

Ytterbium chips

Ytterbium foil

Tantalum(V) bromide

五溴化钽(V)

Tantalum powder

Sodium tungstate dihydrate

钨酸钠二水合物