high purity and moderate price
Tests
|
Specifications
|
Result
|
Solubility
|
diffluent in Ach, slightly soluble in methanol,
almost insoluble in chloroform
|
Complies
|
HPLC
|
Comply with standard
|
Complies
|
A292/A227
|
2.28~2.42
|
2.36
|
IR
|
IR should comply with the reference standard spectrum.
|
Complies
|
citrate
|
positive
|
Complies
|
Acidity
|
3.0~5.0
|
3.63
|
Loss on Drying
|
≤1.0%
|
0.32%
|
Residue on ignition
|
≤0.1%
|
0.04%
|
Heavy Metals
|
≤20ppm
|
Complies
|
Relevant Impurity
|
≤0.5%
|
0.28%
|
Methanol
|
≤0.3%
|
0.02%
|
Methylene dichloride
|
≤0.06%
|
0.017%
|
Assay
|
98.5~101.5%
|
99.8%
|
Shipping;By sea by air or express.
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