氢氧化亚铁 Iron(II) hydroxide
氢氧化亚铁,化学式为Fe(OH)2,几乎不溶于水,是一种碱。用碱溶液和含有亚铁离子的盐溶液反应可制得。
单词 | Ferrous hydroxide |
释义 |
Ferrous hydroxide
中文百科
氢氧化亚铁 Iron(II) hydroxide(重定向自Ferrous hydroxide)
氢氧化亚铁,化学式为Fe(OH)2,几乎不溶于水,是一种碱。用碱溶液和含有亚铁离子的盐溶液反应可制得。
英语百科
Iron(II) hydroxide 氢氧化亚铁(重定向自Ferrous hydroxide)
Iron(II) hydroxide or ferrous hydroxide is a compound with the formula Fe(OH)2. It is produced when iron(II) ions, from a compound such as iron(II) sulfate, react with hydroxide ions. Iron(II) hydroxide itself is practically white, but even traces of oxygen impart a greenish tinge. If the solution was not deoxygenated and the iron reduced, the precipitate can vary in color starting from green to reddish brown depending on the iron(III) content. This precipitate is also known as "green rust" in the crystal lattice of which iron(II) ions are easily substituted by iron(III) ions produced by its progressive oxidation. In the presence of oxygen the color changes quickly. |
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