337.5 g/kg = 339.154 PSU
| g/kg | PSU |
|---|---|
| 322.5 g/kg | 324.08 |
| 327.5 g/kg | 329.105 |
| 332.5 g/kg | 334.129 |
| 337.5 | 339.154 |
| 342.5 g/kg | 344.178 |
| 347.5 g/kg | 349.203 |
| 352.5 g/kg | 354.227 |
337.5 g/kg = 339.154 PSU
1 g/kg ≈ 1.0049 PSU · 1 mg/L ≈ 0.001 PSU · 1 ppm ≈ 0.001 PSU (dilute aqueous approximation)