Ferrous Sulfate Heptahydrate

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Product name: 
Ferrous Sulfate Heptahydrate

iron(2+),sulfate,heptahydrate
 

CAS No.: 7782-63-0

Molecular Weight: 278.05
 

Characters: bluish green monoclinic crystal, can be easily weathered in air, soluble in water, insoluble in alcohols.

Specifications:

Ferrous Sulfate Heptahydrate	A.R.	C.P.	Electronic grade	USP31
Assay(FeSO4.7H2O)%	99.0-101.0	99.0-101.0	99.0-101.0	99.5-104.5
Water insoluble%	≤0.05	≤0.02	≤0.05	—
Chlorides(Cl) %	≤0.001	≤0.005	≤0.001	—
Phosphate(PO4)%	≤0.0005	≤0.002	≤0.0005	—
Arsenic (As)%	≤0.0002	≤0.00002	≤0.0002	≤0.0003
Iron (Fe)%	≤0.02	≤0.10	≤0.02	—
Copper (Cu)%	≤0.002	≤0.01	≤0.002	—
Zinc (Zn)%	≤0.005	≤0.02	≤0.02	—
Manganese (Mn)%	≤0.05	—	≤0.05	—
Mercury (Hg)%	—	—	—	Pass
Total nitrogen %	≤0.001	—	≤0.001	—
Lead (Pb)%	≤0.002	≤0.005	≤0.002	≤0.001
Ammonia water non-precipitate %	≤0.05	≤0.20	≤0.05	—
Organic volatile matters	—	—	—	Pass

Product Usage: Used as water purifier, gas scavenger, dye mordant,herbicide; also used the manufacture of printing ink and pigments etc.

Packaging: In 25Kg/woven bag, lined with double-layer plastic bag

Storage Precautions: Stored in a cool, ventilated and dry place at room temperature.

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