547.5 g/kg = 550.183 PSU
| g/kg | PSU |
|---|---|
| 532.5 g/kg | 535.109 |
| 537.5 g/kg | 540.134 |
| 542.5 g/kg | 545.158 |
| 547.5 | 550.183 |
| 552.5 g/kg | 555.207 |
| 557.5 g/kg | 560.232 |
| 562.5 g/kg | 565.256 |
547.5 g/kg = 550.183 PSU
1 g/kg ≈ 1.0049 PSU · 1 mg/L ≈ 0.001 PSU · 1 ppm ≈ 0.001 PSU (dilute aqueous approximation)