GBW07158-稀土矿石成分分析标准物质
【规格】100克/瓶
【说明】
【保存条件】阴凉干燥处密封保存
【使用注意事项】用前应取出少量标准物质在105℃干燥一小时，置干燥器中冷至室温后备用，最小取样量La为0.13克，Ce为0.15克,Eu为0.24克,Yb为0.42克,Y为0.36克
【特征形态】固态
【基体】矿石
【主要分析方法】X-射线荧光光谱法
| 组分 | 标准值 | 标准偏差 | 单位 |
| Li2O | 40.3 | 1.6 | (10-6) |
| Rb2O | 0.012 | 0.001 | (10-2) |
| Cs2O | 5.6 | 0.5 | (10-6) |
| ∑REXOY | 0.092▲ | 0.088～0.100 | (10-2) |
| La2O3 | 0.031 | 0.002 | (10-6) |
| CeO2 | 92 | 11 | (10-6) |
| Pr6O11 | 49.2 | 3.6 | (10-6) |
| Nd2O3 | 0.017* | 0.002* | (10-6) |
| Sm2O3 | 33.8 | 0.6 | (10-6) |
| Eu2O3 | 8.1 | 0.3 | (10-6) |
| Gd2O3 | 31.7 | 2.3 | (10-6) |
| Tb4O7 | 5.4 | 0.4 | (10-6) |
| Dy2O3 | 27.3 | 2.6 | (10-6) |
| Ho2O3 | 5.7 | 0.2 | (10-6) |
| Er2O3 | (16) | (10-6) | |
| Tm2O3 | 2.4 | 0.3 | (10-6) |
| Yb2O3 | 14.1 | 0.9 | (10-6) |
| Lu2O3 | 2 | 0.2 | (10-6) |
| Y2O3 | (0.018) | (10-2) | |
| Sc2O3 | 11.3▲ | 10.7～11.7 | (10-6) |
| Th | 24.5 | 2.3 | (10-6) |
| SiO2 | 67.28 | 0.16 | (10-2) |
| Al2O3 | 19.04 | 0.16 | (10-2) |
| Fe2O3(T) | 3.49 | 0.10 | (10-2) |
| FeO | (0.071) | (10-2) | |
| CaO | (0.033) | (10-2) | |
| MgO | 0.229 | 0.011 | (10-2) |
| TiO2 | 0.537 | 0.022 | (10-2) |
| MnO | 0.07 | 0.005 | (10-2) |
| K2O | 2.13 | 0.06 | (10-2) |
| Na2O | 0.062▲ | 0.058～0.069 | (10-2) |
| P2O5 | 0.029 | 0.033 | (10-2) |
| F- | 0.016 | 0.002 | (10-2) |
| H2O+ | 6.64 | 0.23 | (10-2) |
| L.O.I. | 6.73 | 0.29 | (10-2) |
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