
|
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 |