• The sulfidation performance of iron oxide prepared from various precursors was investigated, and the ferric nitrate with better sulfidation performance was chosen as precursor of active component.

    实验通过对各种铁盐前驱制备氧化铁硫化性能考察优选出硫化性能好的硝酸作为活性组分前驱物;

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  • He can use ferric chloride, the copper wire to the melting off; I can use silver nitrate, to connect to a breakpoint.

    可以氯化铁导线就可以用硝酸银,把断点给接上。

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  • Methods The samples of phytic acid were determined with thorium nitrate titration, ferric spectrophotometry, phosphorus spectrophotometry and high performance liquid chromatography respectively.

    方法硝酸滴定法测铁分光光度法、测分光光度法高压液相色谱法对不同样品酸含量进行测定

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  • Results Active carbon and ferric nitrate were selected to prepare composite material for removal of arsenic in drinking water.

    结果选择活性炭载体材料硝酸铁为活化试剂制备饮水复合除砷材料。

    youdao

  • Results Active carbon and ferric nitrate were selected to prepare composite material for removal of arsenic in drinking water.

    结果选择活性炭载体材料硝酸铁为活化试剂制备饮水复合除砷材料。

    youdao

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