Specifications | |
---|---|
Assay (alkalimetric) | ≥ 99.5 % |
Identity (IR-spectrum) | passes test |
Appearance | colorless, deliquescent crystals |
Appearance of solution (200 g/l; water) | clear and colorless |
In water insoluble matter | ≤ 0.01 % |
Chloride (Cl) | ≤ 10 ppm |
Nitrate (NO₃) | ≤ 20 ppm |
Phosphate (PO₄) | ≤ 5 ppm |
Sulphate (SO₄) | ≤ 200 ppm |
Heavy metals (as Pb) | ≤ 20 ppm |
Cu (Copper) | ≤ 5 ppm |
Fe (Iron) | ≤ 10 ppm |
Readily carbonisable substance | passes test |
Sulfated ash (600 °C) | ≤ 300 ppm |