|
|
Zinc
Sulphate Monohydrate & Heptahydrate
Chemical
Properties:
| |
Monohydrate
|
Heptahydrate
|
| Zinc
(Zn), % by weight, min |
33.0 |
21.0 |
| Copper
(Cu), by
weight, max |
0.1 |
0.1 |
| Lead
(Pb), by
weight, max |
0.003 |
0.003 |
| Magnesium
(Mg), by
weight, max |
0.002 |
0.05 |
| pH not less than |
4.0 |
4.0 |
| Solubility
in water, %
by weight, min |
99.0 |
99.5 |
|
Physical
Properties:
| |
Monohydrate
|
Heptahydrate
|
| »
Physical condition |
Free
flowing crystalline form
|
Free flowing
powder form
|
| »
Colour |
White |
Creamy White |
| »
Chemical
Formula |
ZnSO4.H2O |
ZnSO4.7H2O |
» Molecular
weight
|
179.46
|
287.55
|
| »
Specific
Gravity/ Density |
3.28
gm/cm3 (205 lbs/ft3) |
1.96
gm/cm3 (122 lbs/ft3) |
| »
Melting
Point |
Transition
at 238OC (460OF) |
Transition
at 39OC (103OF) |
| »
Solubility
in 100 parts of water |
89.5
at 100OC (212OF) |
115.2
at 0OC (32OF) & 653.6 at 100OC
(212OF) |
|
Packing:
| Size |
Specification
|
| 50
kg |
Laminated HDPE bag |
| 25
kg | |
| 10
kg | |
| 5
kg | Laminated
HDPE bags with LDPE liner or LDPE laminated polyester
pouches. |
| 1
kg |
Polyester
laminated or LDPE pouches. |
|
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Terms & Conditions |
|
>Functions
of Zinc