GBW07159-稀土礦石成分分析標準物質
【規格】100克/瓶
【說明】
【保存條件】陰涼干燥處密封保存
【使用注意事項】用前應取出少量標準物質在105℃干燥一小時，置干燥器中冷至室溫后備用，最小取樣量La為0.13克，Ce為0.15克,Eu為0.24克,Yb為0.42克,Y為0.36克
【特征形態】固態
【基體】礦石
【主要分析方法】X-射線熒光光譜法
| 組分 | 標準值 | 標準偏差 | 單位 |
| Li2O | 0.015* | 0.001* | (10-6) |
| Rb2O | 0.069 | 0.003 | (10-2) |
| Cs2O | 17.7 | 1.5 | (10-6) |
| ∑REXOY | 0.085 | 0.006 | (10-2) |
| La2O3 | 20 | 2.1 | (10-6) |
| CeO2 | 21.7 | 2.1 | (10-6) |
| Pr6O11 | 6.3 | 0.6 | (10-6) |
| Nd2O3 | 27.6 | 2.4 | (10-6) |
| Sm2O3 | 15.7 | 1.0 | (10-6) |
| Eu2O3 | 0.36▲ | 0.35～0.45 | (10-6) |
| Gd2O3 | 32.4 | 4.2 | (10-6) |
| Tb4O7 | 8.2 | 1.2 | (10-6) |
| Dy2O3 | 56.3 | 5.9 | (10-6) |
| Ho2O3 | 12 | 1.1 | (10-6) |
| Er2O3 | 36.4 | 3.7 | (10-6) |
| Tm2O3 | 5.7 | 0.6 | (10-6) |
| Yb2O3 | 36.6 | 4.5 | (10-6) |
| Lu2O3 | 5.5 | 0.6 | (10-6) |
| Y2O3 | 0.057 | 0.004 | (10-2) |
| Sc2O3 | 9.5 | 0.9 | (10-6) |
| Th | 40.5 | 2.7 | (10-6) |
| SiO2 | 74.55 | 0.24 | (10-2) |
| Al2O3 | 14.7 | 0.24 | (10-2) |
| Fe2O3(T) | 1.15 | 0.05 | (10-2) |
| FeO | 0.054 | 0.006 | (10-2) |
| CaO | (0.026) | (10-2) | |
| MgO | 0.077 | 0.010 | (10-2) |
| TiO2 | 0.022 | 0.002 | (10-2) |
| MnO | 0.017 | 0.010 | (10-2) |
| K2O | 4.98 | 0.12 | (10-2) |
| Na2O | 0.158 | 0.014 | (10-2) |
| P2O5 | (0.0027) | (10-2) | |
| F- | 0.034 | 0.001 | (10-2) |
| H2O+ | 3.61 | 0.15 | (10-2) |
| L.O.I. | 3.7 | 0.19 | (10-2) |
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