Usage: It is mainly used to make pigment such as Ferric Oxide series products (such as iron oxide red, Iron oxide black, Iron oxide yellow etc. ). It can also be directly used as the flocculant for waste water treatment, for purification of water, for producing ferric sulfate, for iron containing catalyst, or as additive in compound fertilizer, as well as for production of FeSO4. H2O.
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Test item
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Specification
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Reagent grade
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Pharmaceutical grade
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|
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Appearance
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Conform
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Conform
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Assay /%
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≥ 99.0-101.0
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≥ 98.0-101.0
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Water insoluble /%
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≤ 0.005
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≤ 0.02
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Chloride (Cl)/%
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≤ 0.001
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≤ 0.005
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N/%
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≤ 0.001
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|
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Phosphate (PO4)/%
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≤ 0.0005
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≤ 0.002
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Arsenic (As)/%
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≤ 0.0002
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≤ 0.0002
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Manganese (Mn)/%
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≤ 0.05
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|
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Ferric (Fe)/%
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≤ 0.02
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≤ 0.10
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Copper (Cu)/%
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≤ 0.002
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≤ 0.01
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Zinc (Zn)/%
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≤ 0.005
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≤ 0.02
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Lead (Pb)/%
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≤ 0.002
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≤ 0.005
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Ammonia not sediment /%
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≤ 0.05
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≤ 0.2
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