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The (Fe)(OH)3 Ion Product in Suspensions of Acid Soils
Author(s) -
Bohn H. L.
Publication year - 1967
Publication title -
soil science society of america journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.836
H-Index - 168
eISSN - 1435-0661
pISSN - 0361-5995
DOI - 10.2136/sssaj1967.03615995003100050011x
Subject(s) - hydroxide , chemistry , solubility equilibrium , ion , chloride , soil water , solubility , suspension (topology) , inorganic chemistry , calcium hydroxide , amorphous solid , nuclear chemistry , geology , organic chemistry , soil science , mathematics , homotopy , pure mathematics
In suspensions of seven acid soils, the (Fe)(OH) 3 ion product was constant after 139 days at a mean value of 1 (± 0.5) × 10 −39 . Varying the soil/suspension ratio from 1:10 to 1:1,000, as well as changing the concentration of calcium chloride from 0.01 to 0. 1 M had no significant effect upon the (Fe) (OH) 3 ion product. This ion product agrees well with recently reported solubility products of amorphous iron (III) hydroxide.