|
Item
|
Stardard%
|
Results%
|
|
purity
|
≥99.78
|
99.99
|
|
carbon
|
0.03
|
0.03
|
|
coblet
|
≤0.001
|
0.0009
|
|
iron
|
0.005
|
0.005
|
|
phosphorus
|
≤0.01
|
0.009
|
|
sulphur
|
≤0.01
|
0.009
|
|
zinc
|
0.003
|
0.003
|
