Reports

Magnesium Ions: Activity in Seawater

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Science  29 Apr 1966:
Vol. 152, Issue 3722, pp. 640-642
DOI: 10.1126/science.152.3722.640

Abstract

The activity of magnesium ions in seawater was determined from solubility data and found to be between the values determined by Platford and by Garrels and Thompson. Our value may result from extensive formation of magnesium sulfate ion pairs.