北方伟业计量集团有限公司
| 序号 | 组分 | 标准值 | 不确定度 |
|---|---|---|---|
| 1 | Ag | 0.91 | 0.11 |
| 2 | As | 12.5 | 0.4 |
| 3 | B | 66 | 4 |
| 4 | Ba | 480 | 20 |
| 5 | Be | 2.32 | 0.09 |
| 6 | Bi | 0.58 | 0.08 |
| 7 | Br | 5.2 | 0.5 |
| 8 | Cd | 0.276 | 0.029 |
| 9 | Ce | 79 | 5 |
| 10 | Cl | 119 | 7 |
| 11 | Co | 13.7 | 0.5 |
| 12 | Cr | 78.2 | 2.9 |
| 13 | Cu | 104 | 5 |
| 14 | Dy | 5.53 | 0.14 |
| 15 | Er | 3.10 | 0.12 |
| 16 | Eu | 1.44 | 0.04 |
| 17 | F | 520 | 21 |
| 18 | Ga | 16.7 | 0.6 |
| 19 | Gd | 6.03 | 0.28 |
| 20 | Ge | 1.48 | 0.07 |
| 21 | Hg | 3.44 | 0.25 |
| 22 | Ho | 1.09 | 0.07 |
| 23 | I | 1.58 | 0.11 |
| 24 | La | 42.7 | 2.4 |
| 25 | Li | 41.1 | 1.9 |
| 26 | Lu | 0.456 | 0.026 |
| 27 | Mn | 517 | 14 |
| 28 | Mo | 0.63 | 0.06 |
| 29 | N | 0.218* | 0.008* |
| 30 | Nb | 16.4 | 0.8 |
| 31 | Nd | 36.9 | 1.5 |
| 32 | Ni | 34.7 | 1.2 |
| 33 | P | 833 | 13 |
| 34 | Pb | 153 | 6 |
| 35 | Pr | 9.9 | 0.3 |
| 36 | Rb | 101 | 4 |
| 37 | S | 447 | 16 |
| 38 | Sb | 2.03 | 0.25 |
| 39 | Sc | 12.6 | 0.5 |
| 40 | Se | 0.44 | 0.04 |
| 41 | Sm | 6.95 | 0.20 |
| 42 | Sn | 54 | 5 |
| 43 | Sr | 103 | 3 |
| 44 | Tb | 0.97 | 0.07 |
| 45 | Th | 13.5 | 0.6 |
| 46 | Tl | 0.65 | 0.04 |
| 47 | Tm | 0.47 | 0.03 |
| 48 | U | 2.64 | 0.14 |
| 49 | V | 95.1 | 2.6 |
| 50 | W | 2.31 | 0.12 |
| 51 | Y | 29.1 | 1.4 |
| 52 | Yb | 2.95 | 0.15 |
| 53 | Zn | 230 | 7 |
| 54 | Zr | 270 | 7 |
| 55 | F（水溶性） | 6.8 | 0.8 |
| 56 | SiO2 | 66.9* | 0.4* |
| 57 | Al2O3 | 13.17* | 0.12* |
| 58 | TFe2O3 | 4.97* | 0.14* |
| 59 | MgO | 0.973* | 0.020* |
| 60 | CaO | 1.085* | 0.018* |
| 61 | Na2O | 1.19* | 0.04* |
| 62 | K2O | 1.732* | 0.018* |
| 63 | TC | 2.45* | 0.11* |
| 64 | Corg | 2.36* | 0.10* |
| 65 | Ti | 0.476* | 0.020* |
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