SHANGHAI FINE CHEMICALS CO., LTD.
| Florfenicol |
TESTING ITEMS SPECIFICATION
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CHARACTER
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WHITE or ALMOST WHITE CRYSTALLINE POWDER
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MELTING POINT
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152.0 ~ 156.0℃
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SPECIFIC OPTICAL ROTATION
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-16°~ -19°
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IDENTIFICATION
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THE RETENTION TIME OF THE MAJOR PEAK IN THE CHROMATOGRAM OF THE ASSAY PREPARATION CORRESPONDS TO THAT IN THE CHROMATOGRAM OF THE STANDARD PREPARATION, AS OBTAINED IN THE ASSAY.
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UV ABSORPTION MAX. AT 266NM.
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IR SPECTRA IS CONSISTENT WITH CRS.
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CHECK
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PH
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4.5 ~ 6.5
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APPEARANCE OF SOLUTION
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NOT MORE THAN STANDARD OF YELLOW 4 SIZE
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CHLORIDES
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≤ 0.02%
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FLUORIDES
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≥4.8%
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RELATED SUBSTANCES
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INDIVIDUAL IMPORITY ≤0.5%
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TOTAL IMPORITIES ≤ 2.0%
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WATER
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≤ 0.5%
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RESIDUE ON IGNITION
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≤ 0.1%
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HEAVY METALS
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≤ 20PPM
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ASSAY
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CONTENT OF C12H14CL2FNO4S ≥98.0%
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CPHI in Shanghai,China. JUNE 24-26, 2015,Booth No.W1A38 |
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VK1(2mt/year,available in April 2015);FOLIC ACID(2-3mt/month;2mt available in Feb., 2015);Pyridoxal-5-phosphate;Propylthiouracil |
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Senior Democrat reintroduces anti-OPEC bill |
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Georgia resumes Russian gas transit to Armenia |
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- Veterinary injection&premix
- API
- Vitamins
- Chemicals
- DC Grade Ingredient
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