Name of index | FCC-V | E 508 | ||
Description | Colourless, elongated, prismatic or cubital crystals or white granular powder. Odourless | |||
Content( after drying ) | ≥% | ≥99.0 ≥98.0when contains added substance(s) | 99.0 | |
Solubility | -- | Freely soluble in water. Insoluble in ethanol | ||
Identification | Pass test | Pass test | ||
Acidity and Alkalinity | Pass test | Pass test | ||
Heavy metals(as Pb) | ≤mg/kg | 5 | -- | |
Iodide and/or Bromide | Pass test | Pass test | ||
Loss on drying, | ≤% | 1.0 | 1.0(105 °C, 2hours) | |
Sodium | Pass test | Negative | ||
Arsenic(As) | ≤ppm | -- | 3 | |
Lead(Pb) | ≤ppm | -- | 2 | |
Mercury(Hg) | ≤ppm | -- | 1 | |
Cadmium(Cd) | -- | 1 |