| 铜中杂质成分分析标准物质 |
| GBW NO | Bi | Fe | Ni | P | Pb | S | Sb | Zn | Sn | Cu |
| GBW(E)020011 | 0.0020,0.0001 | 0.0012,0.0001 | 0.0021,0.0001 | 0.0004,0.0001 | 0.0039,0.0002 | 0.0013,0.0001 | 0.0022,0.0002 | 0.0012,0.0001 | (0.0021), | (99.56), |
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