358.5 g/kg = 360.257 PSU
| g/kg | PSU |
|---|---|
| 343.5 g/kg | 345.183 |
| 348.5 g/kg | 350.208 |
| 353.5 g/kg | 355.232 |
| 358.5 | 360.257 |
| 363.5 g/kg | 365.281 |
| 368.5 g/kg | 370.306 |
| 373.5 g/kg | 375.33 |
358.5 g/kg = 360.257 PSU
1 g/kg ≈ 1.0049 PSU · 1 mg/L ≈ 0.001 PSU · 1 ppm ≈ 0.001 PSU (dilute aqueous approximation)