528 g/kg to PSU

528 g/kg = 530.587 PSU

g/kgPSU
513 g/kg515.514
518 g/kg520.538
523 g/kg525.563
528530.587
533 g/kg535.612
538 g/kg540.636
543 g/kg545.661

528 g/kg = 530.587 PSU

Formula

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