| 元素 | 平均结果(μg/kg) | 加标量(μg/kg) | 加标测定值(μg/kg) | 回收率(%) | RSD (%) |
| Sc | 148.3 | 100 | 259.8 | 104.6 | 5.4 |
| Y | 96.7 | 100 | 178.5 | 90.7 | 0.8 |
| La | 353.4 | 100 | 412.7 | 91.2 | 1.5 |
| Ce | 329.9 | 100 | 398.6 | 92.7 | 2.2 |
| Pr | 65.2 | 100 | 178.4 | 107.9 | 0.9 |
| Nd | 228.1 | 100 | 315.9 | 96.2 | 1.6 |
| Sm | 44.5 | 100 | 156.2 | 108.3 | 2.5 |
| Eu | 23.1 | 100 | 144.6 | 117.4 | 4.2 |
| Gd | 52.7 | 100 | 134.2 | 87.8 | 3.7 |
| Tb | 40.3 | 100 | 126.5 | 90.1 | 2.8 |
| Dy | 29.9 | 100 | 137.9 | 106.1 | 2.3 |
| Ho | 14.7 | 100 | 99.7 | 86.9 | 3.5 |
| Er | 19.4 | 100 | 103.5 | 86.6 | 3.9 |
| Tm | 10.9 | 100 | 117.3 | 105.7 | 3.2 |
| Yb | 19.2 | 100 | 115.8 | 97.1 | 4.3 |
| Lu | 7.3 | 100 | 118.4 | 110.3 | 2.7 |