Strem
Hafnium(IV) oxide
氧化铪
Hafnium(IV) dichloride oxide octahydrate
八水合氧氯化铪
五氟化钽, Tantalum(V) fluoride
Tungsten powder
六氯锇酸钾, Potassium hexachloroosmate(IV)
四氯铂(II)酸钠水合物, Sodium tetrachloroplatinate(II) hydrate
Platinum powder
溴化金, Gold(III) bromide
Gold powder