597 g/kg to PSU

597 g/kg = 599.925 PSU

g/kgPSU
582 g/kg584.852
587 g/kg589.876
592 g/kg594.901
597599.925
602 g/kg604.95
607 g/kg609.974
612 g/kg614.999

597 g/kg = 599.925 PSU

Formula

1 g/kg ≈ 1.0049 PSU · 1 mg/L ≈ 0.001 PSU · 1 ppm ≈ 0.001 PSU (dilute aqueous approximation)