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1 Kilogram |
Negotiable |
DL-Chloramphenicol Synthomycin Sintomycin
Speification as below:
Items |
Standard |
Appearance |
White or white with greenish-yellowish fine crystalline powder |
Identification |
Positive |
Solubility |
Moderate soluble in 95% alcohol, very littlesoluble in ether and water,practically insoluble in chlorophorm |
Melting range |
149°C ~153°C |
Acidity or alkalinity |
5.5-8.5 |
Specific optical rotation |
0°~±1° |
Chorides |
≤100ppm |
Loss on drying |
≤0.5% |
Sulfated ash |
≤0.1% |
Heavy Metals |
≤10ppm |
Assay |
98.0%~102.0% |
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