solution of ferrous sulfate的用法和样例：
- The treatment sequence involved addition of ferrous sulfate for precipitation, and subsequence filtration.
- It is noteworthy that best copper removal occurred at PH 6. 0, with the addition of ferrous sulfate only.
- Objective:To explore the efficacy and security of ferrous sulfate in the prevention of EPS induced by chlorpromazine.
- In this paper olive vegetable was introduced and the effect of Ferrous Gluconate and Ferrous Sulfate on the quality of olive vegetable was studied.
- The technology for preparation of ferrous sulfate from pyrite cinder by reduction roasting-acid leaching method was studied,and the optimal process conditions were established.