753.5 PSU = 749,825.9 ppm
| PSU | ppm |
|---|---|
| 738.5 PSU | 734,899 |
| 743.5 PSU | 739,874.6 |
| 748.5 PSU | 744,850.2 |
| 753.5 PSU | 749,825.9 |
| 758.5 PSU | 754,801.5 |
| 763.5 PSU | 759,777.1 |
| 768.5 PSU | 764,752.7 |
753.5 PSU = 749,825.9 ppm
1 g/kg ≈ 1.0049 PSU · 1 mg/L ≈ 0.001 PSU · 1 ppm ≈ 0.001 PSU (dilute aqueous approximation)