The preparation methods of iron based products were discussed, such as ferrous or ferric salts, iron oxide pigments, magnetic particles and iron powders.
论述了硫铁矿烧渣湿法制备铁盐，铁氧化物颜料，铁基磁粉以及铁粉等铁系产品的原理，并对铁系产品的途径进行了分析。
The reaction dissolves at least a portion of the non-ferrous metal compositions into the solution which is in contact with solid ferric oxide.
反应使至少一部分非铁金属组合物溶解到与固体氧化铁接触的溶液中。
The reaction dissolves at least a portion of the non-ferrous metal compositions into the solution which is in contact with solid ferric oxide.
反应使至少一部分非铁金属组合物溶解到与固体氧化铁接触的溶液中。
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