Strem
钴粉, Cobalt powder
Nickel(II) dimethylglyoxime
丁二酮肟镍
Nickel(II) perchlorate hexahydrate
六水合高氯酸镍
Nickel wire
镍丝(0.5mm dia)
Nickel powder
镍粉
Copper(I) oxide
氧化亚铜
Copper(I) sulfide
硫化亚铜
铜球状, Copper shot
Zinc sulfide
硫化锌
Zinc Oxide
氧化锌