Appearance (Colour)
Pale green
Appearance (Form)
Crystalline powder
Solubility (Turbidity) 10% aq. solution with 1ml dilute H2SO4
Clear
Solubility (Colour) 10% aq. solution with 1ml dilute H2SO4
Pale green
Assay (Redox Titration)
min. 99%
Insoluble matter
max. 0.01%
pH (5% aq. solution)
3.0 - 5.0
Chloride (CI)
max. 0.001%
Iron (Fe+3)
max. 0.01%
Heavy Metals (Pb)
max. 0.001%
Phosphate (PO4)
max. 0.002%
Copper (Cu)
max. 0.002%
Potassium (K)
max. 0.002%
Sodium (Na)
max. 0.01%
Calcium (Ca)
max. 0.005%
Magnesium (Mg)
max. 0.002%
Manganese (Mn)
max. 0.01%
Zinc (Zn)
max. 0.003%
