| 不容物,%≤ |
| PH值(50g/L溶液)≥ |
| 氯化物(以CI计),%≤ |
| 铅(Pb),%≤ |
| 铁(Fe),%≤ |
| 锰(Mn),%≤ |
| 镉(Cd),%≤ |
| 铜(Cu)*,%≤ |
|
0.020 |
4.0 |
0.20 |
0.002 |
0.008 |
0.01 |
0.002 |
0.001 |
|
0.050 |
4.0 |
0.60 |
0.007 |
0.020 |
0.03 |
0.007 |
— |
|
0.10 |
— |
— |
0.010 |
0.060 |
0.05 |
0.010 |
— |
|
0.020 |
3.0 |
0.20 |
0.002 |
0.005 |
0.01 |
0.002 |
0.002 |
|
0.050 |
3.0 |
0.60 |
0.010 |
0.020 |
0.10 |
0.010 |
— |
|
0.10 |
— |
— |
0.010 |
0.060 |
— |
— |
— |
|