|
Item
|
Specification
|
Result
|
|
|
Purity
|
≥99.999%
|
99.9995
|
|
|
Ignited residue volume
|
≤0.001%
|
0.0009
|
|
|
Impurity Fe
|
≤0.00004%
|
0.00003
|
|
|
Other heavy metals (Pb)
|
≤0.00004%
|
0.000025
|
|
