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WELL GROUP-纯铁化学标样-SRM
| 标样编号 | SRM 2167 | SRM 937 | SRM 2166 |
| 分类 | 化学 | 化学 | 化学 |
| 基体 | 铁基 | 铁基 | 铁基 |
| C | 0.051 | - | 0.015 |
| Cr | 0.0015 | - | 0.024 |
| Cu | 0.0014 | - | 0.015 |
| Se | - | - | *0.0035 |
| Ta | *0.002 | - | *0.011 |
| Te | *0.0003 | - | *0.003 |
| Mn | 0.022 | - | 0.066 |
| Mo | 0.02 | - | 0.0035 |
| Ni | *0.002 | - | 0.022 |
| P | 0.0031 | - | 0.0012 |
| S | 0.008731 | - | 0.002164 |
| Si | 0.026 | - | *0.01 |
| V | 0.033 | - | 0.0009 |
| Sb | 0.002 | - | 0.0005 |
| Al | 0.0045 | - | 0.012 |
| Ti | 0.01 | - | 0.0007 |
| Fe | - | 99.9 | - |
| Sn | 0.006 | - | *0.001 |
| Zr | *0.004 | - | *0.0004 |
| Mg | <0.0001 | - | <0.0001 |
| Pb | <0.0001 | - | -0.003 |
| Bi | <0.0001 | - | <0.0001 |
| Ag | 0.0007 | - | 0.0005 |
| B | 0.000972 | - | 0.0004365 |
| Nb | 0.0095 | - | *0.005 |
| As | 0.0005 | - | 0.0035 |
| Co | 0.005 | - | 0.0022 |