Vanadium turnings

Chromium powder

铬粉

Manganese(II) cyclohexanebutyrate

环己基丁酸锰

Manganese(II) 2-ethylhexanoate

2-乙基己酸锰(II)溶液

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

Cobalt(II) acetylacetonate hydrate

乙酰丙酮钴水合物

Cobalt(II) sulfide

硫化钴(II)

Nickel(II) fluoride, anhydrous

氟化镍