582.5 g/kg = 585.354 PSU
| g/kg | PSU |
|---|---|
| 567.5 g/kg | 570.281 |
| 572.5 g/kg | 575.305 |
| 577.5 g/kg | 580.33 |
| 582.5 | 585.354 |
| 587.5 g/kg | 590.379 |
| 592.5 g/kg | 595.403 |
| 597.5 g/kg | 600.428 |
582.5 g/kg = 585.354 PSU
1 g/kg ≈ 1.0049 PSU · 1 mg/L ≈ 0.001 PSU · 1 ppm ≈ 0.001 PSU (dilute aqueous approximation)