Sales Specification
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Appearance:
|
White or yellowish crystalline
powder
|
Identification:
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IR and HPLC spectrum concede with
standard
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Appearance of Solution:
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Clear and not more tensely colored
|
Heavy Metals:
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20 ppm Max
|
Water:
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1.0% Max
|
Ethanol:
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5.0% Max
|
Formamide:
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3.0% Max
|
Residue on Ignition:
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0.1% Max
|
Specific Optical Rotation:
|
17 ~ 20
|
Others:
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1.0% Max
|
Major:
|
2.5% Max
|
Total:
|
5.0% Max
|
Assay:
|
95.0%-100.5% (B1a+B1b)
B1a90% Min
|
|
|
Packing
|
|
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In 5 KG aluminum can
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