ITEM | STANDARD |
Appearance | White crystalline powder |
Identification | Conforms |
Heat Stability | Not change in color after heating for 90 minutes at 105℃ |
Odor | Slight characteristic odor |
Purity | 99.0-101.0% |
Water | =<0.5% |
Melting Range (℃) | 132-135 |
Residue on Ignition | =<0.2% |
Aldehydes (as Formaldehyde) | 0.1% Max |
Lead (Pb) | =<5 mg/kg |
Arsenic (As) | =<2 mg/kg |
Mercury (Hg) | =<1 mg/kg |
Heavy Metals (as Pb) | =<10 mg/kg |