Complaint
Chemical Name: Zinc carbonate
CAS No.: 3486-35-9
Molecular Formula: C2H8O13Zn5
Appearance: White powder
Molecular Weight:566.97700
It is white or yellowish fine amorphous powder, smell-less, tasteless. The proportion is 4.42-4.45, does not dissolve in water and alcohol, slightly soluble in ammonia, can dissolve in the diluted acid and the sodium hydroxide.
Testing Item | Standard | Result |
Zinc(Zn) | ≥56.00% | 58.44% |
Loss on ignition | ≤30.00% | 26.28% |
Sulphate(SO4) | ≤0.40% | 0.21% |
Total Ca,Na,Mg | ≤7500.00 PPM | 6628.00PPM |
Calcium(Ca) | ≤4000.00 PPM | 3200.00PPM |
Sodium(Na) | ≤3500.00 PPM | 2200.00PPM |
Magnesium(Mg) | ≤2000.00 PPM | 1228.00PPM |
Ferrous(Fe) | ≤40.00 PPM | 28.00PPM |
Lead(Pb) | ≤10.00 PPM | 5.00PPM |
Cadmium(Cd) | ≤3.00 PPM | 2.08PPM |
Chromium(Cr) | ≤10.00PPM | 0.20PPM |
Copper(Cu) | ≤50.00PPM | 0.60PPM |
Tin(Sn) | ≤25.00PPM | 11.00PPM |
Manganese(Mn) | ≤50.00PPM | 8.00PPM |
Nickel(Ni) | ≤10.00PPM | 4.10PPM |
Arsenic(As) | ≤2.00PPM | 0.10PPM |
Mercury(Hg) | ≤1.00PPM | 0.01PPM |
Moisture(Dried at 90ºC for 3 hours) | ≤2.00% | 0.06% |
