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Iron(II) sulfate heptahydrate
- Product Description
-
Product Introduction
Iron(II) sulfate has a molecular formula of FeSO 4 ·7H 2 O. It appears as light green or pale yellowish-green crystals, odorless, with a salty and astringent taste. It is easily soluble in water and glycerol, insoluble in ethanol, and corrosive, deliquescent, and efflorescent.
Molecular Weight: 278.01
Product Properties
1. It can be used as a flocculant in water treatment and as a chemical reagent for phosphorus removal in municipal and industrial wastewater treatment plants to prevent eutrophication of surface waters;
2. It can also be used as an industrial reducing agent, treating chromates in cement, and neutralizing excess oxidants in water treatment, such as in boiler deoxygenation processes at normal temperature;
Product Parameters
Item
Index
Industrial Grade
Iron(II) sulfate heptahydrate
Iron(II) sulfate pentahydrate
Iron(II) sulfate (FeSO4.7H2O) content, % ≥
90.0
88.0-90.0
93.0-95.0
Water-insoluble matter content, % ≤
0.50
0.50
0.50
Free acid (as H2SO4) content, % ≤
1.00
1.00
1.00
Arsenic content, % ≤
0.0001
0.0001
0.0001
Lead content, % ≤
0.0005
0.0005
0.0005
Applications
In addition to being used in the treatment of drinking water, industrial water, and various wastewater, this product can also be used as a raw material for the production of iron-based water treatment agents.
Usage and Precautions
1. The product can be used directly or diluted before use. The dilution concentration can be determined according to the dosage, water quality to be treated, and dosing equipment. The dosage should be determined based on stirring tests and production tests.
2. It cannot be mixed with other water treatment agents or organic flocculants, and cannot be stored with other chemical reagents.
3. During transportation, handle with care to prevent damage to the packaging. Avoid sun exposure and rain, and do not store or transport together with toxic or hazardous substances.
4. The product has a shelf life of one year.
Key words:
Iron(II) sulfate heptahydrate
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