万象城体育

SZSE：002741
万象城体育:
Potassium sulfate 万象城体育:COA Report
  • CAS No.：7778-80-5
  • Molecular weight：174.26
  • Molecular formula：K2SO4
  • EC No.：231-915-5
  • HS-No：31051000
Information
Specification category：
Product No. Product name specifications
1.01702.010 Potassium sulfate  AR500g
1.01702.020 Potassium sulfate  CP500g
1.01702.030 Potassium sulfate  AR25kg/drum
1.01702.040 Potassium sulfate  CP25kg/drum
1.01702.070 Potassium sulfate  CP25kg
Characteristic： Appearance and properties: Colorless crystals or white crystalline granular or powder, heavy and hard, taste salty, and bitter, stable in the air.
Relative density (water=1): 2.66
Melting point(℃): 1067
Boiling point(℃): 1689
Concentration: sterling
Solubility: Soluble in water,Dissolved in ethanol、 acetone and carbon disulfide.
Technical indicators：
Item AR CP
Assay(K2SO4) ≥99.0% ≥98.5%
pH valuepH value(50g/L solution,25℃) 5.0~8.0 5.0~8.0
Clarity of solution Pass2 Pass4
Insoluble matter in water ≤0.005% ≤0.01%
Chloride ≤0.0005% ≤0.001%
Total nitrogen(N) ≤0.0005% ≤0.001%
Sodium(Na) ≤0.03% ≤0.1%
Calcium(Ca) ≤0.01% ≤0.02%
Iron(Fe) ≤0.0002% ≤0.0005%
Arsenic(As) ≤0.0001% ≤0.0005%
Heavy metals(as Pb) ≤0.0005% ≤0.001%
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