SZSE：002741
Chemical Reagents
Barium sulfate?COA Report
  • CAS No.：7727-43-7
  • Molecular weight：233.40
  • Aliases：Barium sulfate?
  • Molecular formula：BaSO4
  • EC No.：231-784-4
Information
Specification category：
Product No. Product Name Specification
1.03604.010 Barium sulfate? AR500g
1.03604.020 Barium sulfate? CP500g
1.03604.030 Barium sulfate? AR25kg
Characteristic： Appearance and properties: White orthorhombic crystals.
Relative density: 4.50 (15 ℃)
Melting Point(℃): 1580
Boiling Point(℃): Not available Concentration: Pure
Vapor pressure: Not available Solubility: insoluble in water, soluble in acid.
Heat of combustion (kJ / mol): meaningless
Technical indicators：
Specification AR CP
Hydrochloric acid soluble matter ≤ 0.15% ≤ 0.25%
Loss on ignition ≤ 1.5% ≤ 1.5%
Chloride (Cl) ≤ 0.005% ≤ 0.02%
Soluble Sulfate (as SO4) ≤ 0.005% ≤ 0.03%
Total nitrogen (N) ≤ 0.005% ≤ 0.01%
Iron (Fe) ≤ 0.0005% ≤ 0.001%
Arsenic (As) ≤ 0.0001% ≤ 0.001%
Soluble barium salt (in Ba meter) ≤ 0.0001% ≤ 0.0005%
Heavy metals (as Pb) ≤ 0.0005% ≤ 0.001%
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