Appearance Yellow or light yellow sheet, one side has a certain gloss, odorless and tasteless, insoluble in water or ethanol,soluble in 80-92% ethanol or 70-80% acetone.
Identification Positive
Assay, on dry basis(as Nitrogen content) 14.0%min
Ether insoluble material 2.0% max
Loss on drying 10.0% max
Residue on ignition 0.3% max
Heavy metals Complies
Microbe limit Bacterial:1000/G max
Fungi:100/G max
Escherichia: N.D