产品描述

Appearance    White crystalline powder
Purity    99.5% min
Melting point    287 ℃ min
Heavy metals( as Pb)    10 ppm max
Residue on ignition    0.1% max
Arsenic(as As)    3 ppm max
Loss on drying    0.5% max
Maleic Acid    0.1% max