GBW07427-土壤成分分析标准物质--华北平原土壤
【保存条件】密封保存在阴凉干燥处。
【使用注意事项】最小取样量为0.1克。
【特征形态】固态
【基体】土壤
【主要分析方法】等离子体质谱法，等离子光谱法，原子吸收（火焰发射）法等
| 组分 | 标准值 | 标准偏差 | 单位 |
| Ag | 0.067 | 0.006 | (10-6) |
| Al2O3* | 11.8 | 0.1 | (10-2) |
| As | 10.6 | 0.8 | (10-2) |
| B | 53 | 3 | (10-6) |
| Ba | 500 | 15 | (10-6) |
| Bi | 0.29 | 0.02 | (10-6) |
| Br | 4 | 0.4 | (10-6) |
| Be | 1.9 | 0.05 | (10-6) |
| CaO* | 5.0 | 0.1 | (10-2) |
| Cd | 0.13 | 0.01 | (10-6) |
| Ce | 66 | 3 | (10-6) |
| Cl | 80 | 10 | (10-6) |
| Co | 11.3 | 0.5 | (10-6) |
| CO2* | 3.34 | 0.14 | (10-6) |
| Corg. | 0.62 | 0.08 | (10-6) |
| Cr | 65 | 2 | (10-6) |
| Cs | 6 | 0.4 | (10-6) |
| Cu | 21.6 | 0.8 | (10-6) |
| Dy | 4.5 | 0.3 | (10-6) |
| Eu | 1.18 | 0.05 | (10-6) |
| Er | 2.57 | 0.12 | (10-6) |
| FeO* | 1.25 | 0.11 | (10-2) |
| F | 55 | 32 | (10-6) |
| Ga | 15 | 0.4 | (10-6) |
| Gd | 4.9 | 0.3 | (10-6) |
| Ge | 1.27 | 0.07 | (10-6) |
| H2O+* | (2.8) | (10-2) | |
| Hf | 7 | 0.5 | (10-6) |
| Hg | 0.052 | 0.006 | (10-6) |
| Ho | 0.92 | 0.03 | (10-6) |
| I | 2.4 | 0.2 | (10-6) |
| In | 0.044 | 0.009 | (10-6) |
| K2O* | 2.27 | 0.04 | (10-6) |
| La | 34 | 2 | (10-6) |
| Li | 31.5 | 1.5 | (10-6) |
| Lu | 0.41 | 0.2 | (10-6) |
| MgO* | 2.05 | 0.04 | (10-2) |
| Mn | 580 | 12 | (10-6) |
| Mo | 0.48 | 0.03 | (10-6) |
| N* | 0.072 | 0.009 | (10-2) |
| Na2O | 1.86 | 0.07 | (10-2) |
| Nb | 14 | 1 | (10-6) |
| Nd | 30 | 2 | (10-6) |
| Ni | 28.5 | 1.2 | (10-6) |
| P | 133 | 34 | (10-6) |
| Pb | 21.6 | 1.2 | (10-6) |
| Pr | 7.9 | 0.5 | (10-6) |
| Rb | 91 | 3 | (10-6) |
| Re | (0.10) | (10-9) | |
| S* | (160) | (10-6) | |
| Sb(DA) | 0.86 | 0.06 | (10-6) |
| Sb(T) | (0.99) | (10-6) | |
| Sc | 10.5 | 0.3 | (10-6) |
| Se | 0.16 | 0.02 | (10-6) |
| SiO2* | 64.9 | 0.3 | (10-2) |
| Sm | 5.6 | 0.3 | (10-6) |
| Sn | 3.3 | 0.4 | (10-6) |
| Sr | 195 | 4 | (10-6) |
| Ta | 1.02 | 0.09 | (10-6) |
| Tb | 0.8 | 0.03 | (10-6) |
| TFe2O3* | 4.11 | 0.04 | (10-2) |
| Th | 11 | 0.5 | (10-6) |
| Ti | 0.382 | 0.011 | (10-2) |
| Tm | 0.4 | 0.03 | (10-6) |
| U | 2.19 | 0.12 | (10-6) |
| V | 74 | 2 | (10-6) |
| W | 1.6 | 0.1 | (10-6) |
| Y | 24.5 | 0.7 | (10-6) |
| Yb | 2.9 | 0.2 | (10-6) |
| Zn | 65 | 3 | (10-6) |
| Zr | 257 | 9 | (10-6) |
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