Description
Physical Characteristics:
Ferric sulfate is a hygroscopic compound, meaning it readily absorbs moisture from the air. It forms various hydrates, including Fe2(SO4)3·nH2O, where n can be 4, 6, 8, 9, or 10. The anhydrous form of ferric sulfate has a density of 2.98 g/cm³.
Industrial Applications:
Ferric sulfate is used in various industrial processes, including:
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Water treatment: Ferric sulfate is a common coagulant used in water treatment to remove impurities and clarify water. It helps to form flocs, or clumps of suspended particles, that can be easily settled out of the water.
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Wastewater treatment: Ferric sulfate is used in wastewater treatment to remove phosphorus, a nutrient that can contribute to eutrophication in water bodies.
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Etching: Ferric sulfate is used in etching, a process that removes material from a surface using a chemical solution. It is commonly used in the electronics industry to etch copper circuits.
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Textile dyeing: Ferric sulfate is used as a mordant in textile dyeing. It helps to bind dyes to fabrics, making the colors more vibrant and durable.
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