The retention time of the major peak in the chromatogram of the Assay preparation corresponds to that in the chromatogram of the Standard preparation, as obtained in the Assay
Conforms
Infrared spectrometry
Corresponds to that infrared spectrogram of the Standard preparation
Conforms
Loss on drying
≤0.5%
0.10%
Residue on ignition
≤0.1%
0.04%
Chloride
≤0.05%
Conforms
Sulphate
≤0.01%
Conforms
Total Impurity
≤2.0%
0.80%
Individual Impurity
≤0.5%
0.10%
Heavy metals
≤20ppm
Conforms
Assay
＞98%
99.20%
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