Appearance (Colour)
White
Appearance (Form)
Crystalline powder
Solubility (Turbidity) 10% solution in 5% Na2CO3
Clear
Assay (NaOH Titration)
min. 99.5%
Loss on drying
max. 0.5%
Sulphated Ash
max. 0.02%
Chloride (CI)
max. 0.002%
Sulphate (SO4)
max. 0.005%
Iron (Fe)
max. 0.005%
Heavy Metals (Pb)
max. 0.001%
Copper (Cu)
max. 0.001%
Nitrite (NO2)
max. 0.00005%
Sensitivity for nitrite (NO2)
Passes test