346.5 g/kg = 348.198 PSU
| g/kg | PSU |
|---|---|
| 331.5 g/kg | 333.124 |
| 336.5 g/kg | 338.149 |
| 341.5 g/kg | 343.173 |
| 346.5 | 348.198 |
| 351.5 g/kg | 353.222 |
| 356.5 g/kg | 358.247 |
| 361.5 g/kg | 363.271 |
346.5 g/kg = 348.198 PSU
1 g/kg ≈ 1.0049 PSU · 1 mg/L ≈ 0.001 PSU · 1 ppm ≈ 0.001 PSU (dilute aqueous approximation)