Zinc sulphate hepta 21

Zinc sulphate heptahydrate 1.ZnSO4 7H2O 2.agriculture grade 3.7446-20-0 4. Zn:21.0%min

                                                                                           Zinc sulphate  heptahydrate

1.characters

CAS NO :7446-20-0

Byname :goslarite

Appearance : white crystalline powder

Molecular Formula :ZnSO4·7H2O

 Molecular Weight :287.54

2.Specification:

Item	Industrial grade	Feed grade
Assay	98% Min	98% Min
Zn	22% Min	22% Min
Cl	0.2% Max	--
Pb	0.002% Max	0.001%Max
Fe	0.005% Max	--
Mn	0.01% Max	--
Cd	0.002% Max	0.002
Cu	0.002% Max	--
Insol. in water	0.05 % Max	--

3.Uses 

It can be used as dyestuff, wood & leather preservative, bone glue clear and preservative, medicine emetic and antifungal also. Moreover, it can be used on electroplate, floating mineral separation, fruit plant disease cure, cycling water treatment etc. 

On agriculture, it is microelement fertilizer, and feed additive on stockbreeding

4.Packing : 25Kg woven bag

Service we can provide:

1.Mixed container,we can mix different items in one container.

2.Quality control,before shipment,free sample for test after shipment,keep sample for 3 years.

3.Prompt shipment with professional documents.

4.Packing as your request,with photo before shipment

If you have any question pls feel free to contact me.

Zinc sulphate hepta 21