523 g/kg to PSU

523 g/kg = 525.563 PSU

g/kgPSU
508 g/kg510.489
513 g/kg515.514
518 g/kg520.538
523525.563
528 g/kg530.587
533 g/kg535.612
538 g/kg540.636

523 g/kg = 525.563 PSU

Formula

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