|
Appearance
|
White to yellow to beige to grey powder or crystals
|
|
Chloride (Cl)
|
Max 0.005%
|
|
Sulphate (SO4)
|
Max 0.01%
|
|
Total nitrogen (N)
|
Max 0.002%
|
|
Lead (Pb)
|
Max 0.002%
|
|
Iron (Fe)
|
Max 0.002%
|
|
Potassium (K)
|
Max 0.02%
|
|
Copper (Cu)
|
Max 0.001%
|
|
Sodium (Na)
|
Max 0.02%
|
|
Loss on ignition (at 750°C)
|
Max 17%
|