Premium
Complexing of Metals by Soil Organic Matter
Author(s) -
Mortensen J. L.
Publication year - 1963
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/sssaj1963.03615995002700020027x
Subject(s) - chelation , organic matter , chemistry , peptization , environmental chemistry , soil water , soil organic matter , humus , adsorption , amide , inorganic chemistry , organic chemistry , geology , soil science
Soil organic matter forms complexes with metals by ionexchange, surface adsorption, chelation, and complex coagulation and peptization reactions. Little is known concerning the nature of the ligands in polymeric components of soil organic matter which chelate metals, but carboxyl, hydroxy, and amide groups are probably involved. A number of low molecular weight compounds capable of chelating metals have been isolated from soils. Metallo‐organic matter complexes must be identified and characterized before unequivocal evidence for their formation in soils can be obtained.