item

specification

results

identification

ir absorption spectrum of the preparation of the test specimen exhibits maxima only at same wavelengths as that of a similar preparation of the in-house reference standard.

conforms

specific rotation

+57.0°~+63.0°

+59.4°

residue on ignition

≤0.2%

0.1%

maximum single impurity

≤1.0 %

0.5%

total impurity

≤2.0 %

1%

loss on drying

≤0.5%

0.2%

assay

97.0~103.0%

99.3%

conclusion

the test items conform usp32a