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Certified quantity values and expanded uncertainties (k = 2) when the entire SALT-1 unit was reconstituted in water to a solution volume of 100 mL
| Analyte | Amount concentration μmol/L | UR (%) |
|---|---|---|
| Phosphate (as PO43−) | 1.615 ± 0.030 | 1.9% |
| Silicate (as SiO2) | 8.89 ± 0.31 | 3.5% |
| Nitrate (as NO3−) | 18.98 ± 0.45 | 2.4% |
UR is the relative combined uncertainty (%)
