Industrial Grade

Purity:  98.5% min
Melting Point: 121-123 C
Chloride:   0.05% max
Loss on drying:  0.1% max
Color (Pt-Co):  20# max
Appearance: White little flake

BP98 Grade

Purity: 99.5% min
Melting Point: 121-123 C
Sulfate: 0.1% max
Heavy Metal (as Pb):  10ppm max
Chloride: 150ppm max
Ash:  0.05% max
Loss on drying: 0.5% max
Arsenic (as As):  2ppm max
Color (Pt-Co): 20# max

Appearance: White powder