Strem
三氧化二铕, Europium(III) oxide
Gadolinium(III) nitrate hexahydrate
硝酸钆六水合物
Gadolinium foil
钆
Dysprosium(III) chloride
无水氯化镝
Dysprosium powder
镝
Holmium chips
钬
高氯酸铒, Erbium(III) perchlorate
Thulium pieces
铥
Ytterbium powder
镱
Lutetium(III) sulfate hydrate
硫酸镥水合物