Appearance |
white to colorless crystalline powder |
Assay (acidimetric; calculated on dried substance) |
99.5 - 101.4 % |
Identity |
passes test |
Appearance of solution (20 %; water) |
clear and colorless |
In water insoluble matter |
≤ 50 mg/kg |
pH-value (5 %; water) |
≤ 8.6 |
Carbonate |
passes test |
Bromide (Br) |
≤ 5 mg/kg |
Chlorate |
≤ 40 mg/kg |
Chloride (Cl) |
≤ 70 mg/kg |
Fluoride (F) |
≤ 10 mg/kg |
Iodide (I) |
≤ 40 mg/kg |
Nitrate (NO₃) |
≤ 40 mg/kg |
Nitrite (NO₂) |
≤ 40 mg/kg |
Phosphate (PO₄) |
≤ 10 mg/kg |
Sulfate (SO₄) |
≤ 100 mg/kg |
Heavy metals (as Pb) |
≤ 5 mg/kg |
Al (Aluminium) |
≤ 1 mg/kg |
As (Arsenic) |
≤ 2 mg/kg |
Ca (Calcium) |
≤ 50 mg/kg |
Cu (Copper) |
≤ 10 mg/kg |
Fe (Iron) |
≤ 10 mg/kg |
Hg (Mercury) |
≤ 1 mg/kg |
Na (Sodium) |
≤ 300 mg/kg |
NH₄ (Ammonium) |
≤ 20 mg/kg |
Pb (Lead) |
≤ 2 mg/kg |
Se (Selenium) |
≤ 30 mg/kg |
Zn (Zinc) |
≤ 25 mg/kg |
Residual solvents (ICH Q3C) |
excluded by manufacturing process |
Loss on drying (Silica gel) |
≤ 0.25 % |
Odour and taste |
not tested/typical property |
Conforms FCC,E501Conforms to the purity criteria on food additives according to the current European Commission Regulation. |
|