Terbium foil

铽

Dysprosium(III) chloride hexahydrate

氯化镝六水合物

Holmium foil

钬

Erbium powder

铒

Thulium(III) acetate tetrahydrate

乙酸铥(III)四水

Ytterbium chips

镱

Lutetium(III) oxide

氧化镥

Tantalum powder

钽

Tungsten powder

钨

六氯铼(IV)酸钾, Potassium hexachlororhenate(IV)