硫含量 |
允许差 |
≤0.005 |
0.001 |
>0.005~0.015 |
0.002 |
>0.015~0.025 |
0.003 |
>0.025~0.045 |
0.004 |
元素 |
空白 |
浓度一 |
浓度二 |
浓度三 |
浓度四 |
浓度五 |
Pb |
0 |
100 |
200 |
300 |
400 |
500 |
Sn |
0 |
150 |
300 |
450 |
600 |
750 |
As |
0 |
150 |
300 |
450 |
600 |
750 |
Sb |
0 |
100 |
200 |
300 |
400 |
500 |
Bi |
0 |
50 |
100 |
150 |
200 |
250 |
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