| ≥1 piece |
|
Item
|
Pharmaceutical grade
|
Feed grade
|
|
Assay(Dry)
|
99.0% ?? 100.50%
|
98%
|
|
As £¥
|
≤1ppm
|
≤2ppm
|
|
Heavy metals £¥£¨ Pb £? :
|
≤10ppm
|
≤10ppm
|
|
Residue on ignition
|
0.1 £¥
|
0.2 £¥
|
|
Loss on dry
|
≤2%
|
≤2%
|