China Veterinary Medicine Aureomycin Aureomycin Hydrochloride Auromycin Chlorotetracycline, Find details about China Auromycin, Chlorotetracycline from Veterinary Medicine Aureomycin Aureomycin Hydrochloride Auromycin Chlorotetracycline
ITEMS | STANDARD | RESULTS | ||
Characters | Yellow powder | Conforms | ||
Identification | A | Thin-layer chromatography | Conforms | |
B | As description of EP6 | |||
C | Reaction of chlorides | |||
PH | 2.3-3.3 | 2.51 | ||
Water | ≤2.0% | 0.45% | ||
Spec. Rotation | -235° - -250° | -248° | ||
Sulphated Ash | ≤0.5% | 0.14% | ||
Absorbance | 460nm ≤0.40 | 0.218 | ||
Related Substances | 4-Epichlortetracycline | ≤4.0% | 1.47% | |
Total of other impurities | ≤1.0% | 0.78% | ||
Heavy Metals | ≤50ppm | < 50ppm | ||
TC.HCL( on dried basis) | ≤8.0% | 3.36% | ||
CTC.HCL(on dried basis) | ≥89.5% | 93.23% | ||
TC.HCl+CTC.HCl(on dried basis) | 94.5%-102.0% | 96.59% |