Quinary Aqueous Systems

The THEREDA database for modelling of solubilities in the hexary oceanic salt system Na⁺, K⁺, Mg²⁺, Ca²⁺, Cl^-, SO₄^2-, - H₂O including its acid and basic solutions

Comparison with Harvie, Moeller,
Weare model from 1984 at T=298.15 K

Chlorides	Sulfates	Reciprocal
(Na-K-Mg-Ca)Cl	(Na-K-Mg-Ca)SO₄	(Na-K-Mg)(Cl-SO₄) (Na-K-Ca)(Cl-SO₄) (Na-Mg-Ca)(Cl-SO₄) (K-Mg-Ca)(Cl-SO₄)