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  • Name: Zinc Carbonate
  • ID: a79
  • Time: 2015-11-19
  • Views : 70

ZINC CARBONATE

Molecular formula: ZnCO3.2Zn(OH)2.H2O
Molecular weight: 324.15
CAS#: 5970-47-8
Properties:
White fine amorphous powder, odorless, tasteless, insoluble in water and alcohols; slightly soluble in amine, diluted acids and sodium hydroxide.

Specification:

Testing Items Index(For industry ues only)
High-class standard First-class standard Qualified standard
Appearance White powder
Content
Zn, % =
57.5 57.0 56.5
Ignition loss % 25-28 25-30 25-32
heavy metals=% 0.04 0.05 0.05
Moisture =% 2.5 3.5 5.0
Sulphate =% 0.6 0.8 -
Fineness( Residue on 75µm Sieve)=% 95.0 94.0 93.0
Cd, =% 0.02 0.05 -

Usage:
1. In agriculture: Used as a trace element fertilizers, feed additives, etc.
2. In industry: Used in making the light astringent, the emulsion product and calamine lotion, and also used as raw material of producing rayon, catalyst, desulfurization of fertilizer industry, etc.

Packing:
25Kg PP woven bags with inner PE bags