Erythromycin thiocyanate
Appearance: White or almost white crystalline powder
PH Value: 6.0~ 7.0
Water: 6.0%
Residue on ignition: 0.5%
Microbial potency (Anhydrous): 780ug/mg
Specification:
|
TEST |
STANDARD |
RESULT |
|
Appearance |
White or almost white crystalline powder |
Conform |
|
Identification |
Conform Tests (1) (2) (3) |
Positive Reaction |
|
PH |
6.0-8.0 |
6.6 |
|
Heavy Metals |
≤20ppm |
<20ppm |
|
Arsenic |
≤2ppm |
<2ppm |
|
Loss on drying |
≤6.0% |
4.2% |
|
Residue on ignition |
≤1.0% |
0.1% |
|
Assay |
≥750μ/mg |
780μ/mg |
