Specification:
Appearance | White crystal |
Assay, (Dried substance) ≥% | 98.5 |
PH(1% aqueous solution) | 8.0-9.5 |
Loss on drying, % | 36.0—42.0 |
Formic acid, formates and other oxidizable substances,≤mg/kg | 1 000 |
Arsenic(As), ≤mg/kg | 3 |
Lead, ≤ppm | 2 |
Heavy Metals(as Pb), ≤mg/kg | 10 |
Mercury, ≤mg/kg | 1 |
Storage stability: Qualified
We also have Pharm grade and Tech grade.