531 g/kg to PSU

531 g/kg = 533.602 PSU

g/kgPSU
516 g/kg518.528
521 g/kg523.553
526 g/kg528.577
531533.602
536 g/kg538.626
541 g/kg543.651
546 g/kg548.675

531 g/kg = 533.602 PSU

Formula

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