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Ferrous sulfate heptahydrate

Description

  Ferrous Sulfate Heptahydrate, also called copperas, is a bluegreen crystals; soluble in water, melts at 64 C. It is usually used as raw material of other industrial.

Application Field:

 

1. Mainly used to make pigment such as Ferric Oxide series products (such as iron oxide red, Iron oxide black, Iron oxide yellow etc. ).

 

2. It can also be directly used as flocculant in waste water treatment.

 

3. For producing ferric sulfate

 

4. For iron containing catalyst

 

5. Used as a mordant in dyeing wool, in the manufacture of ink

 

 

6. As additive in compound fertilizer

Specifications:

 

 

Item

Index

Drinking water treatment grade

Waste water treatment grade

FeSO4 %≥

90.0-98

90.0-98

TiO2 %≤

0.75

1.00

Water insolubles content %≤

0.50

0.50

Free acid (H2SO4) %≤

1.00

---

arsenic %≤

0.0001

---

lead %≤

0.0005

---

 

 

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