|
Zinc Sulphate |
Zinc Sulphate is used as raw material for production
of lithopone.It is also used in synthetic fiber industry,zinc
plating,pesticides.It is mainly used in trace element
fertilizer and feed additive,etc. One of its two forms
are Zinc sulphate
Monohydrate and Zinc
Sulphate Heptahydrate
|
| Zinc
Sulphate Monohydrate |
Chemical name : ZnSO4.1H2O
Molecular weight : 179.456
Description : White crystalline free flowing powder
| Test |
U.S.P.
Specifications |
A.R.
Specifications |
Technical
Specifications |
Observation |
Test
Solution
(10.0% W/v water) |
Clear
& Colourless |
Clear
& Colourless |
Clear
& Colourless |
Passes
Test |
| pH
(5% Solution) |
4.0
to 5.6 |
4.0
to 5.6 |
4.0
to 5.6 |
Passes
Test |
| |
|
|
|
|
| Chemical
Analysis |
% |
ppm |
% |
ppm |
% |
ppm |
% |
ppm |
| Arsenic
as As |
0.0014 |
14 |
0.0005 |
5 |
- |
- |
0.0005 |
5 |
| Lead
as Pb |
0.002 |
20 |
0.003 |
30 |
- |
- |
0.001 |
10 |
| Chloride
as Cl |
- |
- |
0.002 |
20 |
- |
- |
0.002 |
20 |
| Total
Nitrogen as N |
- |
- |
0.0005 |
5 |
- |
- |
0.0005 |
5 |
| Cadmium
as Cd |
- |
- |
0.0005 |
5 |
- |
- |
0.0005 |
5 |
| Copper
as Cu |
- |
- |
0.001 |
10 |
- |
- |
0.001 |
10 |
| Iron
as Fe |
- |
- |
0.002 |
20 |
- |
- |
0.001 |
10 |
| Alkaline
& Alkaline earth as sulphate |
0.9 |
- |
0.7 |
- |
- |
- |
0.7 |
- |
| Assy |
99% |
99-105% |
99% |
99.1% |
| Zinc
as Zn |
36% |
36% |
34% |
36% |
| Sulphur |
17.5% |
- |
- |
- |
| Package |
50
Kgs Bags |
50
Kgs Bags |
50
Kgs Bags |
50
Kgs Bags |
|
|
| Zinc
Sulphate Heptahydrate |
Chemical name : ZnSO4.7H2O
Molecular weight : 287.54
Description : White crystalline powder which decomposes
on exporsure to dry air.
| Test |
I.P.
Specifications |
A.R.
Specifications |
Electroplating
Specification |
Observation |
Test
Solution
(10.0% W/v water) |
Clear
& Colourless |
Clear
& Colourless |
Clear
& Colourless |
Passes
Test |
| pH
(5% Solution) |
4.0
to 5.6 |
4.0
to 5.6 |
4.0
to 5.6 |
Passes
Test |
| |
|
|
|
|
| Chemical
Analysis |
% |
ppm |
% |
ppm |
% |
ppm |
% |
ppm |
| Arsenic
as As |
0.001 |
10 |
- |
- |
- |
- |
0.0005 |
5 |
| Iron
as Fe |
0.01 |
100 |
- |
- |
0.01 |
100 |
0.001 |
10 |
| Chloride
as Cl |
0.025 |
250 |
- |
- |
0.01 |
100 |
0.01 |
100 |
| Total
Nitrogen as N |
- |
- |
0.005 |
50 |
- |
- |
0.004 |
40 |
| Cadmium
as Cd |
- |
- |
0.001 |
10 |
- |
- |
0.0005 |
5 |
| Copper
as Cu |
- |
- |
0.0005 |
5 |
- |
- |
0.0001 |
1 |
| Lead
as Pb |
- |
- |
0.005 |
50 |
- |
- |
0.001 |
10 |
| Zinc
as Zn |
22%- |
22% |
34% |
36% |
| Assy |
99-102% |
99-102% |
Not
less than 98% |
Passed
Test |
| Packing |
50
kgs bag |
50
kgs bag |
50
kgs bag |
50
kgs bag |
|
|
