Iron(II,III) oxide, black (Magnetite)

四氧化三铁/黑色氧化铁

Iron(II) sulfate heptahydrate

七水硫酸亚铁

Iron(II) acetate, anhydrous

醋酸亚铁

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