Information
Specification category:
Product No. | Product name | specifications |
1.01708.020 | Potassium iodide | AR500g |
1.01708.030 | Potassium iodide | AR25kg Granular/Drum |
1.01708.060 | Potassium iodide | AR500g |
1.01708.080 | Potassium iodide | AR250g |
1.01708.090 | Potassium iodide | AR25kg Drum |
Characteristic:
Appearance and properties: White cubic crystal or powder.
pH value: 6.9(50g/L H2O,20℃)
Relative density: 3.13(water=1)(20℃)
Saturated vapour pressure(hPa):1.3(745℃)
Melting point(℃): 723
Boiling point(℃): 1325
Concentration: Pure
Solubility: Soluble in water,ethanol,acetone and glycerol,insoluble in ether.Keep container out of light and humidity.
Technical indicators:
Item | AR | CP |
Assay(KI) | ≥99.0% | ≥98.5% |
pH value(50g/L solution,25℃) | 6.0~8.0 | 6.0~8.0 |
Clarity of solution | Pass3 | Pass5 |
Insoluble matter in water | ≤0.01% | ≤0.02% |
Iodate and iodine(as IO3) | ≤0.002% | ≤0.005% |
Chloride and bromide(as Cl) | ≤0.02% | ≤0.05% |
Sulfate(SO4) | ≤0.005% | ≤0.01% |
Phosphate(PO4) | ≤0.002% | -- |
Total nitrogen(N) | ≤0.002% | ≤0.002% |
Sodium(Na) | ≤0.1% | -- |
Magnesium(Mg) | ≤0.002% | ≤0.005% |
Calcium(Ca) | ≤0.002% | ≤0.005% |
Iron(Fe) | ≤0.0003% | ≤0.0005% |
Arsenic(As) | ≤0.00002% | -- |
Barium(Ba) | ≤0.002% | ≤0.004% |
Heavy metals(as Pb) | ≤0.0005% | ≤0.001% |
Reducing substance | Pass | -- |