Items
（检测项目）

Standard
     （检测标准）

Analysis data
(检测结果）

Appearance
外观

White to off-white powder
白色至类白色粉未

Conforms
符合

Specific Rotation [25/D]
旋光

-14.0 to -15.3 º

-14.5º

Chloride (Cl)
氯

Not more than 0.10%
不高于0.10%

<0.10%

Heavy Metals (Pb)
重金属（以铅计）

Not more than 10 ppm
不高于10ppm

<10ppm

Ammonium (NH4)
铵

Not more than 0.02%
不高于0.02%

<0.02%

Iron (Fe)
铁

Not more than10ppm
不高于10ppm

<10ppm

Sulfate (SO4)
硫化物

Not more than 0.02%
不高于0.02%

<0.02%

Other amino acid
其它氨基酸

Not more than 0.5%
不高于0.5%

<0.5%

Loss on Drying
干燥失重

Not more than 0.20%
不高于0.20%

0.1%

Residue on Ignition (Sulfated)
灼烧残渣

Not more than 0.2%
不高于0.20%

0.1%

Assay
含量

98.5 to 101.0%

99.2%

Conclusion

The product is according with standard.