1)professional manufacture
2)10 year experience
3)exported to USA,Vietnam
4)ISO 9001:2008
5)Keeping blue color in six month
ferrous sulfate
Properties:
Glaucous crystallization. The relative density 1.897, melting point °C into four 64 when water and salt, salt water into °C when 65. In the wet air oxidation as alkali type sulphuric acid easy high iron into yellow. Soluble in water, insoluble in alcohol. Aqueous easy oxidation.
Use:
ferrous sulfate heptahydrate is used as feed additives or water treatment.
The capacity of our company for this product is about 1500mts/month.
Package:
25kg/bag, 1000kg/bag, 1200kg/bag PP bags with PE inner
Storage:
sealed , in cool dry place
The specs of the product is as follow:
VERIFICATION ITEM | STANDARD TESTED VALUE OR THE CONTRACT VALUE | THE REAL TESTED VALUE |
| FeSO4.7H2O % | ≥98.0 | 98.1 |
| Fe % | ≥19.7 |
19.72 |
| As % |
≤0.0002 |
0.00005 |
| Pb % |
≤0.0020 |
0.0009 |
| Cd % |
≤0.0004 |
0.0001 |
