1. Details:
CAS No.: 3486-35-9
Other Names: Carbonic acid
MF: ZnCO3.2Zn(OH)2.H2O
EINECS No.: 222-477-6
Classification: Carbonate, Carbonate Salt
MF: ZnCO3.2Zn(OH)2.H2O
Appearance: White Powder
Property: White or yellowish fine amorphous powder, smell-less, tasteless.
2. Specification:
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Items
|
Index (percent)
|
||
|
I
|
II
|
III
|
|
|
Zn content (min )
|
57.5
|
57
|
56.5
|
|
Loss on ignition
|
25.0-28.0
|
25.0-30.0
|
25.0-32.0
|
|
Heavy metal content (Pb) (max)
|
0.0005
|
0.001
|
0.005
|
|
Moisture( max)
|
2.5
|
3.5
|
5
|
|
SO 4 2 (max)
|
0.6
|
0.8
|
--
|
|
Sieve Residue(75microns mesh): (min)
|
95
|
94
|
93
|
3. Usage: transparent activator in rubber, feed additives; sulfur absorber in petroleum industries; cosmetics; pharmaceuticals; zinc Salts.