ferrous sulfate heptahydrate - alibaba.com
Iron sulfate heptahydrate ferrous sulphate heptahydrate feso4.7h2o 98% Product Spec Technical Specification Standard FeSO 4 . the catalyst for plant produce chlorophyll , which plays an important role in the absorption of plants 2.Ferrous sulfate is used in Colorant Ferrous sulfate can also be used to stain concete and some limetones and sandstones a yellowish rust color.
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