Of, relating to, or containing iron, especially with a valence of2 or a valence lower than in a corresponding ferric compound.
铁的，含铁的铁的、有关铁的或含铁的，尤指带有二价铁或低于二价铁的相应含铁化合物。
O-Phenylphenol react with sulfuric acid, formaldehyde and ferric iron to form a red colour compound.
邻苯基苯酚与浓硫酸、甲醛和高铁离子生成红色化合物。
O-Phenylphenol react with sulfuric acid, formaldehyde and ferric iron to form a red colour compound.
邻苯基苯酚与浓硫酸、甲醛和高铁离子生成红色化合物。
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