Iron powder

铁粉

Iron(II) tetrafluoroborate

四氟硼化铁

Stainless steel foil, type 304

铁

氧化钴, Cobalt(II,III) oxide

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