479.5 g/kg = 481.85 PSU
| g/kg | PSU |
|---|---|
| 464.5 g/kg | 466.776 |
| 469.5 g/kg | 471.801 |
| 474.5 g/kg | 476.825 |
| 479.5 | 481.85 |
| 484.5 g/kg | 486.874 |
| 489.5 g/kg | 491.899 |
| 494.5 g/kg | 496.923 |
479.5 g/kg = 481.85 PSU
1 g/kg ≈ 1.0049 PSU · 1 mg/L ≈ 0.001 PSU · 1 ppm ≈ 0.001 PSU (dilute aqueous approximation)