ferrous ammonium sulfate造句怎么写
- 造句
- 关注:1.22W次
In accordance with ferrous ammonium sulfate in water samples to calculate the amount of material to restore the volume of oxygen consumption, which was potassium dichromate titration reflux.
There were no apparent different effects between using ferrous sulfate and using ferrous ammonium sulfate, the former was much cheaper and no secondary pollution.
- 文章版权属于文章作者所有,转载请注明 https://zhongwengu.com/sentence/2yo4y3.html