239.5 g/kg = 240.674 PSU
| g/kg | PSU |
|---|---|
| 224.5 g/kg | 225.6 |
| 229.5 g/kg | 230.625 |
| 234.5 g/kg | 235.649 |
| 239.5 | 240.674 |
| 244.5 g/kg | 245.698 |
| 249.5 g/kg | 250.723 |
| 254.5 g/kg | 255.747 |
239.5 g/kg = 240.674 PSU
1 g/kg ≈ 1.0049 PSU · 1 mg/L ≈ 0.001 PSU · 1 ppm ≈ 0.001 PSU (dilute aqueous approximation)