A New Experimental Approach to the Humic Acid Problem


A New Experimental Approach to the Humic Acid Problem

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ORGANIC matter originating from the Bh horizon of a podzol soil is of interest for two reasons. First, because of the presence of a large number of functional groups it reacts readily with


metals, metallic oxides and possibly clays and can therefore serve as a model for metallo-organic reactions in soils. Secondly, so far as organic chemists are concerned, its low molecular


weight makes it a suitable starting material for the investigation of the chemical structure of soil humic acids.


M. SCHNITZER: On leave from the Soil Research Institute, Research Branch, Canada Department of Agriculture, Central Experimental Farm, Ottawa, Ontario, Canada.


Department of Chemistry, Imperial College of Science and Technology, London, S.W.7


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