472.5 g/kg = 474.815 PSU
| g/kg | PSU |
|---|---|
| 457.5 g/kg | 459.742 |
| 462.5 g/kg | 464.766 |
| 467.5 g/kg | 469.791 |
| 472.5 | 474.815 |
| 477.5 g/kg | 479.84 |
| 482.5 g/kg | 484.864 |
| 487.5 g/kg | 489.889 |
472.5 g/kg = 474.815 PSU
1 g/kg ≈ 1.0049 PSU · 1 mg/L ≈ 0.001 PSU · 1 ppm ≈ 0.001 PSU (dilute aqueous approximation)