| Code | Al Mass fraction(ng/g) | Ca Mass fraction(ng/g) | Cr Mass fraction(ng/g) | |||
|---|---|---|---|---|---|---|
| Value | Uncertainty(ng/g) | Value | Uncertainty(ng/g) | Value | Uncertainty(ng/g) | |
| GBW02802 | 1.31 | 0.92 | 1.6 | 1.1 | 1.05 | 0.13 |
| GBW02803 | 2.6 | 1.0 | 2.91 | 0.97 | 2.08 | 0.26 |
| GBW02804 | 4.3 | 1.1 | 4.71 | 0.97 | 4.10 | 0.37 |
| GBW02805 | 8.6 | 1.4 | 9.3 | 1.4 | 8.19 | 0.48 |
