Items | Standard |
Character | White crystalline powder |
Appearance of Solution | Clear |
Melting Point | 125~128ºC |
Acidity | 0.1mg/g max |
Loss on drying | 0.5% max |
Sulphate Ash | 0.1% max |
Residue | 0.1% max |
Heavy Metal | 10ppm max |
Related Substances | Ultraviolet at 254nm passed |
Assay | 99.0% -- 101.0% |