| ≥1 piece |
|
Item
|
Specification
|
|
Assay(on dry materils)
|
98% min
|
|
Loss on drying
|
1.5% max
|
|
Heavy metals(PB)
|
10ppm max
|
|
Residue on ignition
|
0.3% max
|
|
Particle Size(0.28MM Sieve)
|
Sieve 90% pass through
|
|
Volatilizable Impurity of Organic
|
Comply
|
|
Identification
|
Positive
|