| ≥1 piece |
|
Test items |
Specification |
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Appearance |
White or almost white crystalline powder |
White or almost white crystalline powder |
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Assay |
98.0 ～ 102.0% |
98.0 ～ 102.0% |
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Specific Rotation |
84.0 ～ 87.5 ° |
84.0 ～ 87.5 ° |
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Water |
≤ 2.0% |
≤ 2.0% |
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PH |
5.0 ～ 8.0 |
5.0 ～ 8.0 |
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methanol |
≤ 0.1% |
≤ 0.1% |
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Arsenic(As) |
≤ 3mg/kg |
≤ 3mg/kg |
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Heavy metals |
--------- |
≤ 10mg/kg |
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Lead |
≤ 1mg/kg |
≤ 1mg/kg |
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Ignited Residue |
≤ 0.7% |
≤ 0.7% |
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Related substances |
≤ 0.5% |
≤ 0.5% |
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Hydrolysis products |
≤ 0.1% |
≤ 0.1% |
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