Product Description
Ferrous sulfate (green alum) molecular formula FeSO4•7H2O an inorganic compound, anhydrous ferrous sulfate is a white powder, soluble in water, water solution is light green, commonly found in heptahydrate (green alum). Mainly used for water purification, photographic plate making and treatment of iron deficiency anemia. Ferrous sulfate can cause water pollution, irritant to human respiratory system and digestive system, overdose can lead to life danger.

Ferrous sulfate can be used to make iron salt, iron oxide pigment, mordant, water purifier, antiseptic, disinfectant, etc.
Ferrous sulfate
Ferrous sulfate
1. Water treatment
Ferrous sulfate is used in the flocculation purification of water and in the removal of phosphate from municipal and industrial sewage to prevent eutrophication of water bodies.
2. Reducing agent
A large amount of ferrous sulfate is used as a reducing agent, mainly reducing the chromate in cement.
3. Medicinal use
Ferrous sulfate is used to treat iron deficiency anemia; It is also used to add iron to food. Long-term excessive use may cause abdominal pain, nausea and other side effects.
In medicine, it can also be used as a local astringent and blood tonic, and can be used for chronic blood loss caused by uterine fibroids.
4. Colorant
A. Ferrous sulfate is used in the production of iron tannate inks and other inks. Mordant dyes for wood dyeing also contain ferrous sulfate.
B. Ferrous sulfate can be used to stain concrete yellow rust color.
C. Wood works with ferrous sulfate to make maple wood silver.
5. Agriculture
Adjust the soil pH, promote the formation of chlorophyll (also known as iron fertilizer), can prevent flowers and trees due to iron deficiency caused by yellow disease. It is an indispensable element of acid-loving flowers and trees, especially iron trees. Agriculture can also be used as a pesticide, can prevent wheat smut, apple and pear scab disease, fruit tree rot; It can also be used as fertilizer to remove lichen and moss from tree trunks.
6. Analytical Chemistry
Ferrous sulfate can be used as a chromatographic reagent.