Strem
Vanadium powder
钒粉
环烷酸铬, Chromium (III) naphthenate
氧化铬, Chromium(III) oxide
Manganese(II) bromide
无水溴化锰(II)
环烷酸锰, Manganese naphthenate in mineral spirits
四氧化三锰, Manganese(II,III) oxide
Manganese(II) carbonate
碳酸锰
Iron(III) sulfate hydrate, tech. gr.
硫酸铁水合物
溴化亚铁(II)水合物, Iron(II) bromide hydrate
Iron foil
铁箔