Applications:It is used as raw material for production of lithpone.It is also used in synthetic fiber industry, zinc plating,pesticides.It is mainly used in trace element fertilizer and feed additives, etc. It is mainly used as raw material for manufacturing lithophane and zinc salt, mordant for printing and dyeing industry, preservative for wood and leather, insecticide for preventing diseases and insect pests of fruit trees, emetic for medicine, clarification and preservation agent for bone glue, and also an important auxiliary raw material for chemical fiber production. In addition, it is also used in electroplating, electrolysis and paper industry. It shall be stored in a dry place. Production process: zinc oxide is added to dilute solution to form slurry. Sulfuric acid is added for reaction, and zinc powder is added to replace copper, cadmium, nickel, etc. after filtration, the filtrate is heated. Potassium permanganate is added to oxidize iron, manganese and other impurities. After filtration, it is clarified, concentrated, cooled and crystallized, centrifuged and dried.
Product Name:Zinc Sulphate Heptahydrate
Formula : ZnSO4·7H2O
Molecular Weight :287.5786
CAS:7446-120-0
Einecs No: 616-097-3
HS Code:2833.2930.00
Appearance:White Crystal/Granular
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Specification |
Item |
Standard |
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|
Crystals |
Crystals |
Granular |
||
|
Zn |
≥21% |
≥22% |
≥15-22% |
|
|
As |
≤0.0005 |
≤0.0005 |
≤0.0005 |
|
|
Cd |
≤0.002 |
≤0.002 |
≤0.002 |
|
|
Heavy Metal(Pb) |
≤0.001 |
≤0.001 |
≤0.001 |
|
|
Water Insoluble Matter |
≤0.05% |
≤0.05% |
≤0.05% |
|
|
PH Value |
6-8 |
6-8 |
6-8 |
|
|
Fineness |
10-20 mesh |
10-20 mesh |
2-4mesh |
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|
Packaging |
In the woven bag lined with plastic, net wt.25kgs or 1000kgs bags. |
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Used as a water purifier, gas purification agent, mordant, herbicide, and used for making ink, pigment, medicine As a blood supplement. Agriculture is used as chemical fertilizer, herbicides and pesticides.
The Hunan Sincere Chemicals Co., LTD was recombined in 2014. Since 2005, we have established stable business relationships with clients from more than 60 different countries and regions. We had passed ISO 9001:2015 international quality management system certification.
The company is a member of Sincere Chemicals (HK) Co., LTD., Our Corporation has built 4 manufacturing plants including Sulfate Product, Lead Nitrate, Sodium Metabisulfite and Sodium Persulphate , which are located in Hunan Province. Our business office is located in Changsha, the capital of Hunan Province.
We have Export License. We have a professional team with exporting experience and considerable service. The company also can accept OEM order.
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The Hunan Sincere Chemicals Co., LTD wasrecombined
in 2014. Since 2005, we have established stable business
relationships with clients from more than 60 different
countries and regions.
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