GBW07160-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 | 0.015* | 0.001* | (10-6) |
| Rb2O | 0.067 | 0.004 | (10-2) |
| Cs2O | 17.8 | 2.1 | (10-6) |
| ∑REXOY | 0.486 | 0.042 | (10-2) |
| La2O3 | 0.011* | 0.001* | (10-6) |
| CeO2 | 34.8 | 5.0 | (10-6) |
| Pr6O11 | (45) | (10-6) | |
| Nd2O3 | 0.022* | 0.002* | (10-6) |
| Sm2O3 | 0.015* | 0.002* | (10-6) |
| Eu2O3 | 1.8 | 0.3 | (10-6) |
| Gd2O3 | (0.027*) | (10-6) | |
| Tb4O7 | 57.7 | 6.0 | (10-6) |
| Dy2O3 | 0.036* | 0.005* | (10-6) |
| Ho2O3 | 75 | 6.2 | (10-6) |
| Er2O3 | 0.022* | 0.003* | (10-6) |
| Tm2O3 | 31.6 | 3.5 | (10-6) |
| Yb2O3 | 0.022* | 0.003* | (10-6) |
| Lu2O3 | 30.4 | 3.0 | (10-6) |
| Y2O3 | 0.303 | 0.026 | (10-2) |
| Sc2O3 | 8.9▲ | 8.7～10.7 | (10-6) |
| Th | 39 | 2.6 | (10-6) |
| SiO2 | 74.34 | 0.42 | (10-2) |
| Al2O3 | 14.65 | 0.17 | (10-2) |
| Fe2O3(T) | 1.13 | 0.03 | (10-2) |
| FeO | (0.039) | (10-2) | |
| CaO | (0.031) | (10-2) | |
| MgO | 0.08 | 0.009 | (10-2) |
| TiO2 | (0.023) | (10-2) | |
| MnO | 0.016 | 0.002 | (10-2) |
| K2O | 4.92 | 0.12 | (10-2) |
| Na2O | 0.155 | 0.007 | (10-2) |
| P2O5 | (0.0025) | (10-2) | |
| F- | 0.034 | 0.002 | (10-2) |
| H2O+ | 3.67 | 0.16 | (10-2) |
| L.O.I. | 3.77 | 0.17 | (10-2) |
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