【规格】50克/瓶
【说明】
【保存条件】干燥、遮光、密闭的玻璃瓶中。
【使用注意事项】最小取样量为100mg。
【特征形态】固态
【基体】锡矿石
【主要分析方法】X-射线荧光光谱法、重量分析法、称量分析法等多种方法
| 组分 | 标准值 | 标准偏差 | 单位 |
| As | 0.79 | 0.06 | (10-2) |
| Cu | 0.26 | 0.01 | (10-2) |
| Pb | 2.72 | 0.07 | (10-2) |
| Zn | 0.74 | 0.03 | (10-2) |
| Cd | 26.8 | 1.4 | (10-6) |
| Ni | 70.9 | 5.4 | (10-6) |
| Co | 26.2 | 2.1 | (10-6) |
| Sb | 0.018 | 0.001 | (10-2) |
| Bi | 80.3 | 1.7 | (10-6) |
| Ag | 16.7 | 1.0 | (10-6) |
| S | 0.097 | 0.008 | (10-2) |
| Ga | 25.2 | 1.7 | (10-6) |
| Se | 3 | 0.6 | (10-6) |
| Li | 39.1 | 2.7 | (10-6) |
| La | 45.3 | 1.8 | (10-6) |
| Ce | 87.0 | 3.5 | (10-6) |
| Pr | 10.8 | 0.7 | (10-6) |
| Nd | 39.9 | 1.9 | (10-6) |
| Sm | 8.0 | 0.4 | (10-6) |
| Sn | 4.47 | 0.10 | (10-2) |
| Sc | 16.4 | 3.9 | (10-6) |
| P | (0.11) | (10-2) | |
| W | 0.068 | 0.006 | (10-2) |
| Nb | 46.9 | 2.6 | (10-6) |
| Ta | 16.2 | 1.2 | (10-6) |
| Mo | 0.027 | 0.002 | (10-2) |
| Eu | 1.8 | 0.1 | (10-6) |
| Gd | 7.4 | 0.6 | (10-6) |
| Tb | 1.1 | 0.2 | (10-6) |
| Dy | 6.7 | 0.8 | (10-6) |
| Ho | 1.3 | 0.2 | (10-6) |
| Er | 3.5 | 0.3 | (10-6) |
| Tm | 0.57 | 0.08 | (10-6) |
| Yb | 3.3 | 0.3 | (10-6) |
| Lu | 0.50 | 0.05 | (10-6) |
| Y | 32.1 | 1.3 | (10-6) |
| SiO2 | 9.50 | 0.16 | (10-2) |
| Fe2O3(T) | 36.19 | 0.32 | (10-2) |
| Al2O3 | 14.04 | 0.19 | (10-2) |
| TiO2 | 0.85 | 0.03 | (10-2) |
| MnO | 1.17 | 0.07 | (10-2) |
| CaO | 7.73 | 0.26 | (10-2) |
| MgO | 0.99 | 0.10 | (10-2) |
| K2O | 0.35 | 0.03 | (10-2) |
| Na2O | 0.050 | 0.005 | (10-2) |
| F | 0.10 | 0.01 | (10-2) |
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