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ferrous sulfate heptahydrateEasy to oxidize into yellow or rust color in humid air. Dissolved in water, the concentration of ferrous sulfate solution is generally around 10%.
As a coagulant in water treatment, it has good vegetable water properties, fast sedimentation, good color removal effect, and low cost for treating wastewater with ferrous ions.
Baike brandferrous sulfate heptahydratephysicochemical properties
Appearance and Characteristics: Light blue-green monoclinic crystal or powder form
Acidity: Acidity
Specific gravity: 1.899 (14.8 °)
Melting point (℃): 64 ° (-6H2O), loses 6 molecules of crystal water at 90 ℃, and loses all crystal water at 300 ℃.
Boiling point (℃): No data available
Weathering and deliquescence: It is prone to weathering in dry air and gradually oxidizes in humid air, forming yellow brown alkaline iron sulfate.
ferrous sulfateAlias: Ferrous, ferrous sulfate heptahydrate, used as an industrial wastewater flocculant, used as a precipitant in printing and dyeing factories, etc,
Principle of Water Purification
The chemical reaction principle of ferrous sulfate in water treatment applications: 6FeSO4+KClO3+3H2O=2Fe2 (SO4) 3+KCl+2Fe (OH) 3. The Fe (OH) 3 generated is a gel like substance that can adsorb suspended impurities in water and play a role in water purification. The appropriate dosage can adjust the pH value of alkaline water, organically combine with suspended solids in water, and accelerate precipitation. It is mainly used for water purification
national standardGB/T 10531-2016 Water Treatment Agent Ferrous Sulfate National Quality Supervision, Inspection and Quarantine Current on May 1, 2017
The national standard GB 10531-1989 for water treatment agents, ferrous sulfate, was abolished by the Ministry of Chemical Industry on December 1, 1989
GB 10531-2006 National Quality Supervision, Inspection and Quarantine of Water Treatment Agent Ferrous Sulfate Invalid on December 1, 2006
Agricultural Applications
Agricultural ferrous sulfate is mainly used to treat wheat smut, adjust soil acidity and alkalinity, and can change soil with high alkalinity, supplementing iron elements for plants and playing an important role in plant absorption. Plants with iron deficiency tend to have yellowing leaves, which can be combined with watering and fertilization.
【 Packaging and Storage 】
Woven bag packaging, ton bag and small bag packaging, products should be stored in a cool place, not easily exposed to sunlight and rain, and prohibited from being stored together with toxic and harmful substances.
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