Formula:Zinc Carbonate
CAS No:5970-47-8 (Hydroxide)
Formula: ZnCO3
MOL WT. :125.40
MOL WT. :125.40
Zinc carbonate is a white crystals or fine powder; insoluble in water, alcohol, and acetone, slightly soluble in ammonia. soluble in alkalies and acids. It is used in the industry of ;
Oil Drilling
fire-proofing
animal feeds
manufacturing of zinc salts
ceramics
pigments
cosmetics and ointments
rubber industry
fire-proofing
animal feeds
manufacturing of zinc salts
ceramics
pigments
cosmetics and ointments
rubber industry
Physicalstate : white fine powder
Index:
Index:
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Items
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Index (%)
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||
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Ⅰ
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Ⅱ
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Ⅲ
|
|
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Zn content ≥
|
57.5
|
57
|
56.5
|
|
Loss on ignition
|
25.0—28.0
|
25.0--30.0
|
25.0--32.0
|
|
Heavy metal content (Pb) ≤
|
0.0005
|
0.001
|
0.005
|
|
Moisture ≤
|
2.5
|
3.5
|
5
|
|
SO42- ≤
|
0.4
|
0.8
|
--
|
|
Sieve Residue (75microns mesh): ≥
|
95
|
94
|
93
|
|
Cd ≤
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0.0004
|
0.001
|
0.005
|