679 g/kg to PSU

679 g/kg = 682.327 PSU

g/kgPSU
664 g/kg667.254
669 g/kg672.278
674 g/kg677.303
679682.327
684 g/kg687.352
689 g/kg692.376
694 g/kg697.401

679 g/kg = 682.327 PSU

Formula

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