PRODUCTS
Zinc Sulphate
CAS No.: 7446-20-0
EIENCS NO.:231-793-3
H.S. code:2833293000
Molecular：ZnS04•7H20
Features：
Pure zinc sulfate will not become yellow when stored in the air for a long time. It will be white powder after losing water in dry air. There are many kinds of hydrates: in the range of 0-39℃, the hydrate is zinc sulfate heptahydrate, 39-60℃ is zinc sulfate hexahydrate, and 60-100℃ is zinc sulfate monohydrate.
Application：
1. Used as micro element fertilizer in agriculture
2. Used as feed additives
3. Used to make zinc barium white and zinc salt
4. Used as an emetic agent in medicine
Package：Packed in polypropylene woven bag lined with polyethylene film bag, net weight 25kg, 50kg or ton bag.
Storage and transportation：
Store in a cool, ventilated warehouse. Keep away from fire and heat. Prevent direct sunlight. Packaging sealed. should be kept away from oxidizer, do not store together.
Specification：
|
Item |
Specification |
|||||
|
|
Zinc Sulfate Monohydrate |
Zinc Sulfate Heptahydrate |
||||
|
|
High-Class |
First-Class |
Qualified |
High-Class |
First-Class |
Qualified |
|
Purity%≥ |
98 |
97 |
95 |
99 |
97 |
92 |
|
Insoluble matter content %≤ |
0.02 |
0.05 |
0.1 |
0.02 |
0.05 |
0.1 |
|
PH value(50g/L)%≥ |
4 |
4 |
— |
3 |
3 |
— |
|
Zn content %≥ |
35.7 |
35.34 |
34.61 |
22.51 |
22.06 |
20.92 |
|
Cl content%≤ |
0.2 |
0.6 |
— |
0.2 |
0.6 |
— |
|
Pb content%≤ |
0.002 |
0.007 |
0.01 |
0.002 |
0.01 |
0.01 |
|
Fe content%≤ |
0.008 |
0.02 |
0.06 |
0.005 |
0.02 |
0.06 |
|
Mn content%≤ |
0.01 |
0.03 |
0.05 |
0.01 |
0.1 |
— |
|
Cd content%≤ |
0.002 |
0.007 |
0.01 |
0.002 |
0.01 |
— |
|
Cu content%≤ |
0.001 |
— |
— |
0.002 |
— |
— |
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