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CKD铸铁标样，北京加联标物检测技术有限公司
| 标样编号 | CKD 232 | CKD 233 | CKD 234 | CKD 235 | CKD 236 | CKD 237 | CKD 239 | CKD 238A | CKD 239A | CKD 239B | CKD 233A |
| 分类 | 光谱 | 光谱 | 光谱 | 光谱 | 光谱 | 光谱 | 光谱 | 光谱 | 光谱 | 光谱 | 光谱 |
| 基体 | 铁基 | 铁基 | 铁基 | 铁基 | 铁基 | 铁基 | 铁基 | 铁基 | 铁基 | 铁基 | 铁基 |
| Al | 0.01 | 0.02 | 0.03 | 0.015 | 0.005 | -0.007 | 0.05 | 0.01 | 0.07 | 0.004 | 0.036 |
| Al(S) | - | - | - | - | - | - | - | - | - | - | - |
| As | 0.006 | 0.073 | 0.01 | 0.1 | 0.019 | 0.009 | 0.037 | -0.003 | 0.032 | 0.025 | 0.063 |
| B | - | 0.015 | 0.007 | 0.028 | - | - | - | - | - | 0 | 0.014 |
| Bi | - | - | - | 0.008 | -0.007 | - | 0.005 | - | 0.005 | 0.004 | 0 |
| C | 1.93 | 2.12 | 2.46 | 2.73 | 2.85 | 3.03 | 4.2 | 3.5 | 4.1 | 4.05 | 2.23 |
| Ce | - | - | - | - | 0.0005 | 0.008 | 0.036 | 0.059 | 0.04 | -0.005 | 0 |
| Co | 0.004 | 0.009 | 0.007 | 0.12 | 0.048 | 0.082 | 0.026 | 0.006 | 0.026 | 0.016 | 0.008 |
| Cr | 1.19 | 1.92 | 0.46 | 0.41 | 0.05 | 0.15 | 0.052 | 0.018 | 0.056 | 0.05 | 1.88 |
| Cu | 0.038 | 0.11 | 0.275 | 0.157 | 0.215 | 0.545 | 0.085 | 0.97 | 0.09 | 0.071 | 0.101 |
| Fe | -91.8 | -92.2 | -92 | -91.8 | -91.8 | -92.1 | -91.8 | -91.8 | -91.9 | -92.35 | -92.1 |
| La | - | - | - | - | - | 0.003 | -0.016 | -0.022 | -0.017 | -0.002 | 0 |
| Mg | - | - | - | - | 0.075 | 0.017 | 0.038 | 0.039 | 0.034 | 0.047 | 0 |
| Mn | 0.09 | 0.26 | 1.39 | 1.86 | 1.08 | 0.13 | 0.76 | 0.43 | 0.74 | 0.65 | 0.18 |
| Mo | 0.85 | 0.023 | 0.21 | 0.46 | 0.064 | 1.34 | 0.007 | 0.002 | 0.007 | 0.032 | 0.01 |
| Nb | 0.005 | 0.003 | 0.001 | 0.028 | - | 0.008 | - | 0.012 | - | 0 | -0.001 |
| Ni | 0.026 | 0.062 | 0.305 | 0.195 | 1.77 | 0.7 | 2.42 | 1.1 | 2.41 | 2.27 | 0.061 |
| P | 0.009 | 0.033 | 0.38 | 0.78 | 0.084 | 0.175 | 0.024 | 0.054 | 0.023 | 0.007 | 0.029 |
| Pb | 0.001 | 0.027 | -0.002 | 0.011 | 0.002 | -0.002 | 0.005 | 0.025 | 0.004 | 0.004 | 0.009 |
| S | 0.039 | 0.14 | 0.068 | 0.035 | 0.019 | 0.02 | 0.018 | 0.006 | 0.018 | 0.019 | 0.15 |
| Sb | 0.026 | 0.055 | 0.002 | 0.016 | 0.022 | 0.11 | 0.003 | 0.17 | 0.003 | 0.003 | 0 |
| Se | - | 0.018 | 0.006 | 0.005 | - | - | 0.033 | 0.008 | 0.023 | 0 | 0.025 |
| Si | 3.5 | 2.59 | 2.02 | 0.92 | 1.65 | 1.2 | 0.27 | 1.5 | 0.24 | 0.36 | 2.76 |
| Sn | -0.003 | 0.033 | 0.036 | 0.024 | 0.12 | 0.2 | 0.005 | 0.06 | 0.005 | 0.004 | 0.009 |
| Te | 0.005 | - | 0.02 | 0.033 | 0.005 | 0.027 | 0.005 | - | 0.004 | 0 | 0.011 |
| Ti | 0.03 | 0.12 | 0.082 | 0.065 | 0.004 | 0.003 | 0.003 | 0.023 | 0.005 | 0.002 | 0.16 |
| V | 0.37 | 0.125 | 0.21 | 0.082 | 0.013 | 0.034 | 0.002 | 0.11 | 0.002 | 0.001 | 0.13 |
| W | 0.006 | 0.044 | 0.005 | 0.125 | 0.015 | 0.035 | -0.008 | -0.013 | -0.008 | -0.005 | 0.029 |
| Zn | - | - | -0.003 | 0.013 | 0.003 | - | 0.015 | 0.024 | -0.01 | -0.005 | 0.005 |
| Zr | 0.003 | 0.016 | 0.042 | 0.008 | 0.066 | 0.03 | - | - | - | 0 | 0.016 |
