818 g/kg = 822.008 PSU
| g/kg | PSU |
|---|---|
| 803 g/kg | 806.935 |
| 808 g/kg | 811.959 |
| 813 g/kg | 816.984 |
| 818 g/kg | 822.008 |
| 823 g/kg | 827.033 |
| 828 g/kg | 832.057 |
| 833 g/kg | 837.082 |
818 g/kg = 822.008 PSU
1 g/kg ≈ 1.0049 PSU · 1 mg/L ≈ 0.001 PSU · 1 ppm ≈ 0.001 PSU (dilute aqueous approximation)