ITEM | STANDARD |
Apperance | Almost White Crystalline powder |
Assay % | >=99 |
Melting point | 152-156 ℃ |
Loss on drying % | ≤1 |
Ignition residue | ≤0.1 |
Chloride(ppm) | ≤100 |
Heavy metal(ppm) | ≤3 |
Arsenic (ppm) | ≤1 |
Ferrum (ppm) | ≤10 |
Microbiological test | Bacteria: ≤3000CFU/gFungus: ≤100CFU/g |