Items | Standards |
initial melting point≥ºC | 69.0 |
free phenol≤% | 0.01 |
residue on ignition≤% | 0.005 |
moisture≤% | 0.05 |
sulfide≤% | 0.002 |
arsenide≤mg/kg | 1 |
heavy metal≤mg/kg | 5 |