525 g/kg to PSU

525 g/kg = 527.572 PSU

g/kgPSU
510 g/kg512.499
515 g/kg517.523
520 g/kg522.548
525527.572
530 g/kg532.597
535 g/kg537.621
540 g/kg542.646

525 g/kg = 527.572 PSU

Formula

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