Results Active carbon and ferricnitrate were selected to prepare composite material for removal of arsenic in drinking water.
结果 选择以活性炭为载体材料、硝酸铁为活化试剂制备饮水复合除砷材料。
2
The sulfidation performance of iron oxide prepared from various precursors was investigated, and the ferricnitrate with better sulfidation performance was chosen as precursor of active component.
实验通过对各种铁盐前驱物制备的氧化铁硫化性能的考察，优选出硫化性能好的硝酸铁作为活性组分前驱物；
3
He can use ferric chloride, the copper wire to the melting off; I can use silver nitrate, to connect to a breakpoint.