Quality Standard of rhKGF
Test items
Standard
Purity (%)     min 95
Biological Activity unit (IU/mg)    Min 1*105
Identification test  It is white and aerosols.
Appearance   Freeze-dried powder. Added into 1ml distilled water, it can solve quickly.
It should not contain insoluble matter seen by naked eyes
pH value 6.8~7.2 
Water residue (%)    max 3.0
Sterility test No bacterial growth
Abnormal toxicity exp. The tested animals have No abnormal reactions. They keep healthy, and have weight increase.