ITEMS |
STANDARD |
Appearance |
White Crystalline Powder |
Identification |
Conforms |
Heat Stability |
Not Change In Color After Heating For 90 Minutes At 105°C |
Odor |
Slight Characteristic Odor |
Purity |
99.0-101.0% |
Water |
≤0.5% |
Melting Range (°C) |
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 |