Halogen (F, Cl, Br, I) contents in silt and clay fractions of a Cambisol from a temperate forest

Abstract

In spite of considerable efforts to understand the role of halogens (F, Cl, Br, I) in soil, concentration data for different soil size fractions is still sparse and information on the sorption behavior of halogens in natural soils is limited. We determined total halogen concentrations in different soil horizons and particle size fractions (i.e., coarse silt with 20-63 µm, medium and fine silt with 2-20 µm, coarse clay with 0.2-< 2 µm and medium clay with 0.02-0.2 µm) of a Cambisol from a temperate forest ecosystem in SW Germany. Further, we estimated the minimum proportions of sorbed halogens onto clay minerals and pedogenic oxides for different soil horizons and different particle size fractions. This is the peer-reviewed, final accepted version for American Mineralogist, published by the Mineralogical Society of America.The published version is subject to change. Cite as Authors (Year) Title. American Mineralogist, in press.

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