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The content of elements in the certified reference material LGC6019 and validation parameters obtained during analysis.
| Element | Certified Reference Material Analysis | Validation Parameters | ||||
|---|---|---|---|---|---|---|
| The Result Declared by the Manufacturer | The Result Obtained in Own Research | Limit of Detection | Limit of Quantification | Precision (%) | Uncertainty (%) | |
| Ca (mg/L) | 109 | 108 | 0.05 | 0.11 | 0.4 | 18 |
| Mg (mg/L) | 4.62 | 4.57 | 0.06 | 0.12 | 0.7 | 22 |
| Na (mg/L) | 24.7 | 24.4 | 0.05 | 0.10 | 0.6 | 21 |
