English
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
