|
Items
|
Specification
|
|
Purity
|
99.5%~100.5%
|
|
Arsenic (As)
|
≤3ppm
|
|
Heavy metals (Pb)
|
≤10ppm
|
|
Ash
|
≤0.1%
|
|
Moisture
|
≤0.5%
|
|
Color (Pt-Co)
|
≤15
|
|
Maleic acid
|
≤0.1%
|
|
Items
|
Specification
|
|
Purity
|
≥99%
|
|
Melting point
|
286~289ºC
|
|
DSS
|
≤0.30%
|
|
Arsenic (As)
|
≤3ppm
|
|
Heavy metals (Pb)
|
≤10ppm
|
|
Ash
|
≤0.031%
|
|
Moisture
|
≤0.30%
|
|
Color (Pt-Co)
|
≤15#
|
|
Maleic acid
|
≤0.1%
|
|
Solubility (25℃)
|
≥1.0g/100g water
|
|
Particle size
|
100% through 300 mesh
|