Physicochemical Properties:
White heavy powder. Dissolve in thin hydrochloric acid, thin nitric acid,alcohol, ammonium chloride, ammonium nitrate solution, slightly soluble in water containing carbon dioxide. Hardly solve in water. Relative density: 4.43
Applications and usages:
Used for determining calcium, magnesium, manganese and iron in the zinc, examining and determining the halogen in organic compound, preparation of catalyst.
Specifications:
Items
Special Grade
Assay(BaCO3), % ≥
99.5
Strontium carbonate(SrCO3), % ≤
0.17
Barium carbonate+strontium carbonate(BaCO3+SrCO3), % ≥
99.7
Loss on ignition, % ≤
0.5
Strontium(Sr), % ≤
0.1
Sodium(Na), % ≤
0.008
Calcium(Ca), % ≤
Potassium(K), % ≤
0.001
Magnesium(Mg), % ≤
Aluminum(Al), % ≤
0.005
Silicon(Si), % ≤
0.01
Iron(Fe), % ≤
Chloride(Cl),% ≤
Sulfide(S), % ≤
Total sulfur, % ≤
0.0015
HCL insoluble matter, % ≤
0.009
Moisture content, % ≤
0.08
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