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Peer-reviewed

Organic Matter, and Particularly Phosphorylated Organic Matter, Coprecipitates Very Strongly With Aluminium

Yaana Bruneel; Marie Spohn

European Journal of Soil Science · 2025

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Summary

ABSTRACT The aim of this study was to elucidate interactions between soil organic matter, inositol‐hexaphosphate (IHP), aluminium (Al), and calcium (Ca) as well as four minerals (kaolinite, illite, smectite, and goethite) at low and high pH. For this purpose, we conducted experiments, in which we quantified the removal of soil‐derived, natural organic matter (NOM) and IHP from the solution due to sorption and coprecipitation. The fraction of IHP in solution decreased due to Al addition to less than 2% of the initial amount, in all treatments (with and without minerals). The fraction of organic carbon (OC) of NOM in solution decreased due to Al addition in the absence of minerals to 12% of the initial amount and less strongly in the treatments with minerals to 39% of the i

Source type
Peer-reviewed study
DOI
10.1111/ejss.70221
Catalogue ID
NRmo3d4gae-044
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