339.5 g/kg = 341.164 PSU
| g/kg | PSU |
|---|---|
| 324.5 g/kg | 326.09 |
| 329.5 g/kg | 331.115 |
| 334.5 g/kg | 336.139 |
| 339.5 | 341.164 |
| 344.5 g/kg | 346.188 |
| 349.5 g/kg | 351.213 |
| 354.5 g/kg | 356.237 |
339.5 g/kg = 341.164 PSU
1 g/kg ≈ 1.0049 PSU · 1 mg/L ≈ 0.001 PSU · 1 ppm ≈ 0.001 PSU (dilute aqueous approximation)