ferrous sulphate is widely used in many applications：1）Used for making iron salt, iron oxide pigment, mordant, water purifying agent, antiseptic, disinfectant, etc;
2）In medicine, it can be used as anti anemia drug, local astringent and blood tonic. It can be used for chronic blood loss caused by hysteromyoma;
3）Iron fortifier as feed additive;
4）In agriculture, it can be used as a pesticide to control wheat smut, apple and pear scab, fruit tree canker; in food g...