706.5 g/kg = 709.962 PSU
| g/kg | PSU |
|---|---|
| 691.5 g/kg | 694.888 |
| 696.5 g/kg | 699.913 |
| 701.5 g/kg | 704.937 |
| 706.5 | 709.962 |
| 711.5 g/kg | 714.986 |
| 716.5 g/kg | 720.011 |
| 721.5 g/kg | 725.035 |
706.5 g/kg = 709.962 PSU
1 g/kg ≈ 1.0049 PSU · 1 mg/L ≈ 0.001 PSU · 1 ppm ≈ 0.001 PSU (dilute aqueous approximation)