Strem
Chromium chips
铬芯片
Manganese(IV) oxide
二氧化锰
Manganese(II) selenide
硒化锰
Manganese(II) chloride, anhydrous
无水二氯化锰
Iron(III) fluoride, anhydrous
氟化铁
Iron(II) bromide, anhydrous
无水溴化亚铁
Iron(II) sulfate heptahydrate
七水硫酸亚铁
Iron powder
Iron(III) perchlorate hydrate (purple)
高氯酸铁(III)盐水合物
氧化钴, Cobalt(II,III) oxide