Item
Specification
Result
Physical appearance
White or off-white crystalline powder
White crystalline powder
Identity by HPLC
The retention time is consistent with that of a reference standard
Conforms
Purity by HPLC(Area,%)
≥99.50%
99.81%
Largest single impurity
by HPLC (Area, %)
≤0.50%
0.05%
Total impurities by HPLC (Area,%)
0.19%
Water Content(%)
≤1.00%
0.18%
Ignition residue
≤0.20%
0.13%
Conclusion:
Qualified
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