Appearance: white crystal powder,odorless; slightly bitter
Identification:(1) positive reaction
(2) Chromatographic and peak is consistent
Transmittance of the solution: ≥98.0%
Loss on dry: ≤1.0%
Residue on ignition: ≤0.1%
Heavy metal: ≤10ppm
Related matter: ≤1.0%
Content: ≥98.0%
Packaging: 25kg/barrel
Confirm to CP2005 standard