Specifications
1)Professional manufacture
2)10 year experience
3)Export to USA,Vietnam
4)ISO 9001:2008
5)Keeping green color for six month
2)10 year experience
3)Export to USA,Vietnam
4)ISO 9001:2008
5)Keeping green color for 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
|