1,525 ppm to PSU

1,525 ppm = 1.532 PSU

ppmPSU
1,510 ppm1.517
1,515 ppm1.522
1,520 ppm1.527
1,5251.532
1,530 ppm1.537
1,535 ppm1.543
1,540 ppm1.548

1525 ppm = 1.532 PSU

Formula

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