| Element | Standard value (mg/kg) | Measured value (mg/kg) | RSD (%) | Element | Standard value (mg/kg) | Measured value (mg/kg) | RSD (%) |
| B | 14 ± 1 | 13.5 | 3.2 | Cu | 18.6 ± 0.7 | 18.9 | 4.0 |
| Na | 90 ± 10 | 85.0 | 5.2 | Zn | 51 ± 2 | 52.9 | 2.1 |
| Mg | 1860 ± 110 | 1728 | 4.8 | As | 0.09 ± 0.01 | 0.098 | 5.1 |
| Al | 940 ± 90 | 970 | 6.3 | Se | 0.098 ± 0.008 | 0.102 | 3.9 |
| P | 4500 ± 300 | 4720 | 4.4 | Sr | 9.1 ± 1.2 | 10.0 | 1.1 |
| K | 16,300 ± 700 | 16,900 | 3.1 | Cd | 0.062 ± 0.004 | 0.062 | 1.1 |
| Ca | 3260 ± 80 | 3310 | 3.7 | Sb | 0.022 ± 0.006 | 0.019 | 3.1 |
| V | 0.17 ± 0.03 | 0.20 | 2.4 | Ba | 9.6 ± 0.5 | 9.2 | 4.7 |
| Cr | 0.45 ± 0.10 | 0.53 | 1.9 | Pb | 1.5 ± 0.2 | 1.7 | 3.2 |
| Mn | 500 ± 20 | 485 | 2.1 | Element | Standard adding value (mg/kg) | Recovery rate (%) | RSD (%) |
| Fe | 242 ± 18 | 243 | 2.4 | Ga | 0.410 | 103.3 | 3.0 |
| Co | 0.22 ± 0.02 | 0.23 | 1.2 | Sn | 0.410 | 106.5 | 4.4 |
| Ni | 3.4 ± 0.3 | 3.11 | 2.7 | Hg | 0.410 | 95.0 | 4.7 |