Sulfate Conversion (mg/L to meq/L)

Converts sulfate concentration from mg/L to meq/L for use in the Larson-Skold Index. The equivalent weight of sulfate is 48.

\text{SO}_4^{2-}_{\text{meq/L}} = \frac{\text{SO}_4^{2-}_{\text{mg/L}}}{48}

Variables

Symbol	Meaning	Unit
SO_4^{2-}_{mg/L}	Sulfate concentration as measured	mg/L
48	Equivalent weight of sulfate	mg/meq

---

Part of The Blueprint of Water