Appearance (Colour)
White
Appearance (Form)
Amorphous powder
Solubility (Turbidity) 10% solution 5N HCl
Clear
Assay (Complexometric)
min. 99.5%
Insoluble in dilute sulfuric acid
max. 0.01%
Chloride (CI)
max. 0.005%
Iron (Fe)
max.0.001%
Heavy Metals (Pb)
max. 0.005%
Sodium (Na)
max. 0.05%
Potassium (K)
max. 0.01%
Manganese (Mn)
max. 0.0005%
Magnesium (Mg)
max. 0.005%
Calcium (Ca)
max. 0.005%
Sulfur compounds (as SO4)
max. 0.01%