326.5 g/kg = 328.1 PSU
| g/kg | PSU |
|---|---|
| 311.5 g/kg | 313.026 |
| 316.5 g/kg | 318.051 |
| 321.5 g/kg | 323.075 |
| 326.5 | 328.1 |
| 331.5 g/kg | 333.124 |
| 336.5 g/kg | 338.149 |
| 341.5 g/kg | 343.173 |
326.5 g/kg = 328.1 PSU
1 g/kg ≈ 1.0049 PSU · 1 mg/L ≈ 0.001 PSU · 1 ppm ≈ 0.001 PSU (dilute aqueous approximation)