此外，当它的使命结束后，高铁酸盐中的铁离子也会以氧化铁的形式沉淀，过滤后就是洁净的水了。
Moreover, once it has done its job, the iron in ferrates precipitates too, as iron oxide, leaving pure water behind.
用氢氧化铁共沉淀水中痕量砷，沉淀用离心机分离和富集。
The arsenic in water samples was first enriched by co-precipitation with iron hydroxide.
方法：应用共沉淀法制备外包葡聚糖的氧化铁磁性纳米颗粒（DCIONP）。
Methods:The dextran coated iron oxide nanoparticles (DCIONP) was synthesized with deposition.
系统产生的黑色沉淀物主要由硫化铁和氧化铁构成；
The black deposits produced in the system were mainly composed of iron sulphide and iron oxide.
以尿素为沉淀剂，采用缓慢滴加方式，用均匀沉淀法制备了纳米棒状氧化铁红。
The nano-sized clubbed ferric oxide red was prepared by homogeneous precipitation method, using urea as the precipitator introduced by dripping slowly.
采用共沉淀法在多种条件下分别制备氧化铁及其负载金催化剂，测定其水煤气变换反应活性。
Both iron oxide and its supported gold catalyst for water-gas shift reaction were prepared under various conditions through co-precipitation method.
用均匀沉淀法对氧化铁红颜料进行二氧化钛包膜处理，以改善其表面光泽，并分析了影响包膜的工艺因素及影响包膜氧化铁红光泽性能的工艺因素。
Red iron oxide pigment was coated by TiO_2 with settling process, in order to improve its gloss. The technology factors of affecting the coating and red iron oxide pigment were analysed.
用均匀沉淀法对氧化铁红颜料进行二氧化钛包膜处理，以改善其表面光泽，并分析了影响包膜的工艺因素及影响包膜氧化铁红光泽性能的工艺因素。
Red iron oxide pigment was coated by TiO_2 with settling process, in order to improve its gloss. The technology factors of affecting the coating and red iron oxide pigment were analysed.
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