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Ferrous sulfate can be used in the production of iron salts, iron oxide pigments, mordant, water purification agent, antiseptic, disinfectant and so on:
Water treatment:
Ferrous sulfate is used for water flocculation and purification, as well as the removal of phosphate from municipal and industrial sewage to prevent eutrophication of water bodies.
Reducing agent:
A large amount of ferrous sulfate is used as a reducing agent, mainly to reduce chromate in cement.
Medicinal use:
Ferrous sulfate is used to treat iron-deficiency anemia; it is also used to add iron to food, and prolonged overdose may cause side effects such as abdominal pain and nausea.
It is also used medicinally as a local astringent and blood tonic, and can be used for chronic blood loss caused by uterine fibroids.
Coloring agent:
Ferrous sulfate is required for the production of iron tannate inks and other inks. Mordants for wood staining also contain ferrous sulfate.
Ferrous sulfate is used to stain concrete a yellow rust color.
Woodworkers use ferrous sulfate to give maple wood a silvery color.
Agriculture:
Adjust the soil pH, promote the formation of chlorophyll (also known as iron fertilizer), can prevent and control yellowing disease caused by iron deficiency in flowers and trees. It is an indispensable element for acid-loving flowers and trees, especially iron trees. It can also be used as pesticide to prevent and control wheat scab, apple and pear scab, and fruit tree rot; it can also be used as fertilizer to remove moss and lichen from tree trunks.
Analytical chemistry:
Ferrous sulfate can be used as a reagent for chromatographic analysis.
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