Item
Specifications
Results
性状Description
白色晶体或结晶性粉末White granular powder
白色晶体状粉末White granular powder
鉴别Identification
红外吸收光谱法Infrared
Absorption
符合Qualified
含量Assay,
98.5%-101.5%
99.8%
透光率State of solution
≥98%%
98.4%
旋光Specific optical rotation[a]
+20.4o ~ +21.4o
+21.0o
氯离子 Chloride (as cl)
19.0%~19.6%
19.13%
硫酸根Sulfate(as SO4)
≤0.03%
0.015%
铁盐 Iron (as Fe)
≤30 ppm
3ppm
重金属Heavy metals,% (as Pb)
≤15 ppm
3ppm
干燥失重Loss on drying
≤0.4%
0.28%
灼烧残渣Residue on ignition,
≤0.1%
0.06%
更多...