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Potassium carbonate crystal博亚体育app下载:COA Report
  • CAS No.:6381-79-9
  • Molecular weight:165.25
  • Aliases:Potassium carbonate-1.5-hydrate
  • Molecular formula:K2CO3·1.5H2O
  • EC No.:209-529-3
  • HS-No:28364000
Information
Specification category:
Product No. Product name specifications
1.01861.010 Potassium carbonate crystal AR500g
1.01861.020 Potassium carbonate crystal CP500g
1.01861.030 Potassium carbonate crystal AR25kg
Characteristic: Appearance and properties: White odorless solid.
pH value: Strong alkalinity(50g/L H2O,20℃)
Relative density: 2.043(water=1)(20℃)
Melting point(℃): 891
Concentration: Pure
Solubility: Dissolve easily in water,slightly soluble in ethanol.
Technical indicators:
Item AR CP
Assay ≥99.0% ≥98.0%
Insoluble matter in water ≤0.01% ≤0.03%
Chloride(Cl) ≤0.002% ≤0.01%
Sulfide(as SO4) ≤0.004% ≤0.01%
Total nitrogen(N) ≤0.001% ≤0.01%
Phosphate(PO4) ≤0.005% ≤0.01%
Silicate(SiO3) ≤0.005% ≤0.01%
Aluminium(Al) ≤0.01% ≤0.03%
Arsenic(As) ≤0.00005% ≤0.00005%
Sodium(Na) ≤0.05% ≤0.1%
Magnesium(Mg) ≤0.002% ≤0.005%
Calcium(Ca) ≤0.015% ≤0.02%
Iron(Fe) ≤0.001% ≤0.002%
Heavy metals(as Pb) ≤0.0005% ≤0.0005%
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