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Product
|
D-Biotin
|
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|
Batch No.
|
DB090104
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Packing
|
1kg/Alu-bag
|
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|
Quantity
|
1kg
|
Product Date
|
Jan.04,2009
|
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|
Ref Standard
|
EP6.0
|
Expiry Date
|
Jan.03,2011
|
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|
Items & Results
|
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|
Item
|
Spec.
|
Result
|
||||||
|
Characters
|
A white crystalline powder
Or colourless crystals
|
Conforms
|
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|
Identification
|
A:IR
B:HPLC
C: Color Reaction
|
Conforms
|
||||||
|
Appearance of solution
|
Clear and colourless
|
Conforms
|
||||||
|
Specific optical rotation
|
+89°- +93°
|
+90°
|
||||||
|
Related substances
|
Meets the requirements
|
Conforms
|
||||||
|
Heavy metals
|
≤10ppm
|
Conforms
|
||||||
|
Loss on drying
|
≤1.0%
|
0.15%
|
||||||
|
Sulfated ash
|
≤0.1%
|
0.05%
|
||||||
|
Assay
|
98.5%-101.0
|
99.35%
|
||||||
|
Storage
|
Store protected from light
|
Conforms
|
||||||
|
Conclusion
|
Conform to EP6.0 standard
|
|||||||
|
Analyst
|
Ma Liang
|
Review
|
Liu Aiqin
|
Supervisor of QC
|
Li Min
|
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