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Basic Info.
Product Description
Molecular Formula : FeSO4·7H2O, FeSO4·nH2O
Molecular Weight: 278.02(Heptahytrate)
Character: Pale,blue-green crystals or granules that are efflorescent in dry air. In moist air, it oxidizes readily to form a brown-yellow, basic ferric sulfate. It's soluble in water, insoluble in ethanol.
| TEST ITEMS | TEST RESULT | TEST ITEMS | TEST RESULT | TEST RESULT |
| ASSAY (FeSO4·7H2O) | 97.04% | ASSAY (FeSO4·H2O) | ≥91.3% | 91.7% |
| FERROUS (Fe) | 19.58% | FERROUS (Fe) | ≥30.0% | 30.2% |
| S | 10.2% | As | ≤2 mg/kg | 1 mg/kg |
| Ti | 0.30% | Pb | ≤15 mg/kg | 8 mg/kg |
| Mn | NOT DETECTED | Cd | ≤3 mg/kg | 0.2 mg/kg |
| WATER INSOLUBLE | 0.20% | SIZE (180μm) | ≥95 | 99 |
| FORM | LIGHT GREEN | FORM | LIGHT GREEN | |
| CONCLUSION | QUALIFIED | CONCLUSION | QUALIFIED | |
It can also be used to manufacture iron salts, inks, magnetic iron oxides, water purifiers, disinfectants, iron catalyst catalysts; used as coal dyes, tannin agents, bleaching agents, wood preservatives and compound fertilizer additives and Processing ferrous sulfate monohydrate, etc.
1.Soil Improvement, Good Fertilizer
Agricultural grade ferrous sulfate is used to adjust the pH of the soil.can make the soil alkaline smaller,can be added to the
plant;Also be used as fertilizer, is a catalyst for the manufacture green pigment of plants, there is an important role for plant uptake.
2.Water Treatment
Ferrous sulfate has been applied for the purification of water by flocculation and for phosphate removal in municipal and
industrial sewage treatment plants to prevent eutrophication of surface water bodies.
3.Colorant
Ferrous sulfate was used as a material of inks,most notably iron gall ink.It also finds use in wool dyeing as a mordant.
Store in a cool and ventilated warehouse. Keep away from kindling and heat source. Protect from direct sunlight. The package must be sealed against moisture. It shall be stored separately from oxidants, alkalis, etc., and shall not be mixed. The storage area shall be equipped with appropriate materials to contain the leakage.
25kg/50kg/1000kg Bag and can be customized.
We have a strong production capacity, strong supply capacity, good factory environment, conducive to product storage, to ensure the quality of products.
Q1: What is the MOQ?
A: Our MOQ is 1000KG.
Q2: What is the lead time?
A: For stock,Sample time 1-3days,mass production 3-5days. To customizing products,need 35-45days.
Q3 :Can we put our logo on your product?
A :Yes,we can achieve it as your request.
Q4 :Could you offer the sample even pre-production sample before I place the order?
A :Yes,both could be offered.
Q5 :How should I pay for you if I place order to you?
A :Usually, the Payment terms T/T(30%deposit in advance,70% paid before the shipment)West Union or others could be accepted.
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