522.5 g/kg = 525.06 PSU
| g/kg | PSU |
|---|---|
| 507.5 g/kg | 509.987 |
| 512.5 g/kg | 515.011 |
| 517.5 g/kg | 520.036 |
| 522.5 | 525.06 |
| 527.5 g/kg | 530.085 |
| 532.5 g/kg | 535.109 |
| 537.5 g/kg | 540.134 |
522.5 g/kg = 525.06 PSU
1 g/kg ≈ 1.0049 PSU · 1 mg/L ≈ 0.001 PSU · 1 ppm ≈ 0.001 PSU (dilute aqueous approximation)