【規格】50克/瓶
【說明】
【保存條件】密封保存在陰涼干燥處。
【使用注意事項】最小取樣量為100mg。
【特征形態】固態
【基體】鎢
【主要分析方法】火焰原子吸收法、容量法、比色法等多種方法
| 組分 | 標準值 | 標準偏差 | 單位 |
| Cu | 0.079 | 0.004 | (10-2) |
| Al2O3 | 8.24 | 0.32 | (10-2) |
| Pb | 0.26 | 0.01 | (10-6) |
| Zn | 0.29 | 0.02 | (10-2) |
| Cd | 26.1 | 1.5 | (10-6) |
| Co | 2.7 | 0.7 | (10-6) |
| CaO | 37.33 | 0.55 | (10-2) |
| Ni | 4.1 | 1.8 | (10-6) |
| As | 0.18* | 0.02* | (10-6) |
| Sb | 5.3 | 1.0 | (10-6) |
| Bi | 0.011 | 0.001 | (10-2) |
| Sn | 0.14 | 0.03 | (10-6) |
| W | 0.015 | 0.003 | (10-2) |
| Mo | 4.2 | 1.2 | (10-6) |
| Ag | 8.3 | 1.4 | (10-6) |
| S* | 3.12 | 0.09 | (10-6) |
| Ga | 17.8 | 1.0 | (10-6) |
| In | 8.7 | 1.1 | (10-6) |
| F | 9.91 | 0.31 | (10-2) |
| Fe2O3(T) | 7.79 | 0.19 | (10-2) |
| K2O | 1.94 | 0.09 | (10-2) |
| Ge | 2.5 | 0.5 | (10-6) |
| MgO | 1.45 | 0.05 | (10-2) |
| Se | 0.39 | 0.13 | (10-6) |
| MnO | 0.97 | 0.05 | (10-2) |
| Te | 0.66 | 0.10 | (10-6) |
| Tl | 5.0 | 0.7 | (10-6) |
| Na2O | 0.16 | 0.04 | (10-2) |
| La | 5.0 | 0.6 | (10-6) |
| Ce | 10.0 | 1.0 | (10-6) |
| Pr | 1.1 | 0.3 | (10-6) |
| Nd | 4.0 | 0.5 | (10-6) |
| Sm | 0.79 | 0.14 | (10-6) |
| Eu | 0.15 | 0.05 | (10-6) |
| Gd | 0.64 | 0.15 | (10-6) |
| Tb | 0.15 | 0.09 | (10-6) |
| Dy | 0.46 | 0.14 | (10-6) |
| Ho | 0.11 | 0.03 | (10-6) |
| Er | 0.23 | 0.08 | (10-6) |
| Tm | 0.04 | 0.01 | (10-6) |
| Yb | 0.28 | 0.09 | (10-6) |
| Lu | 0.06 | 0.03 | (10-6) |
| Y | 2.8 | 1.0 | (10-6) |
| Sc | 1.8 | 0.5 | (10-6) |
| TiO2 | 0.079 | 0.011 | (10-2) |
| Th | 2.2 | 0.2 | (10-6) |
| Cr | (6.5) | (10-6) | |
| Li | (0.02) | (10-2) | |
| Rb | (0.08) | (10-2) | |
| Re | (0.12) | (10-6) | |
| Cs | (36) | (10-6) | |
| SiO2 | 13.27 | 0.33 | (10-2) |
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