ITEM | STANDARD |
Appearance | White crystalline Powder |
Identification | Positive in No. 1, 2, 3 Test |
State of solution transmittance | Clear and colorless ot less then 98% |
Loss on drying | =<1.0% |
Heavy metals(Pb) | =<10ppm |
Assay | 98.0~102.0% |
Residue on ignition | =<0.2% |
Other Related compounds of nucleic acid | Chromatographically not detectable |
Arsenic(As2O3) | =<1ppm |
PH | 4.8-5.8 |