Superiority:
Appearance Off white power to light yellow,
odorless
Identification
⑴should have maximum absorption
at 235±2nm and 323±2nm
⑵the retention time of the main peak should accord with that of the
reference standard.
⑶The IR spectrum of the sample
should accord with that of the
reference standard
Loss on drying 18.0% ~ 23.0%
Total Impurities ≤1.0%
Individual Impurity ≤0.05%
Heavy metal ≤10ppm
Assay 98.0% ~ 102.0% (dried substance)
Strontium 33.0%~36.0% (dried substance)
Details:
Appearance Off white power to light yellow,
odorless
Identification
⑴should have maximum absorption
at 235±2nm and 323±2nm
⑵the retention time of the main peak should accord with that of the
reference standard.
⑶The IR spectrum of the sample
should accord with that of the
reference standard
Loss on drying 18.0% ~ 23.0%
Total Impurities ≤1.0%
Individual Impurity ≤0.05%
Heavy metal ≤10ppm
Assay 98.0% ~ 102.0% (dried substance)
Strontium 33.0%~36.0% (dried substance)