| Code | Si Mass fraction (10 -2 ) | P Mass fraction (10 -2 ) | C Mass fraction (10 -2 ) | |||
|---|---|---|---|---|---|---|
| Value | Certified Uncertainty | Value | Certified Uncertainty | Value | Certified Uncertainty | |
| GBW01423 | 0.23 | 0.02 | 0.025 | 0.002 | 0.066 | 0.002 |
| GBW(E)010356 | 0.190 | 0.002 | 0.037 | 0.001 | 0.073 | 0.004 |
