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Ferrous Sulfate Heptahydrate (FeSO₄·7H₂O), a by-product of titanium dioxide production, appears as pale green/pale blue moist crystals with 7 water of crystallization (water content over 50%). It is highly soluble in water but prone to oxidation, cost-effective, suitable for emergency phosphorus removal in water treatment, soil improvement and iron supplementation, requiring sealed storage and transportation.
Granular Ferrous Sulfate is a 1-4mm granular product made from ferrous sulfate heptahydrate/monohydrate via granulation, featuring good fluidity, low dust and excellent oxidation stability. It is suitable for mechanical fertilization, BB fertilizer blending, large-scale agriculture and precise metering scenarios.
Dry Ferrous Sulfate (monohydrate/anhydrous) is a fine powder product refined by dehydrating and drying wet ferrous sulfate, with iron content of 30%-36%, featuring fast dissolution and excellent stability, suitable for feed/food additives, high-end agriculture and pharmaceuticals requiring high purity.
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