Fulvic Acids from Particulate Matter of a Water-logged Peatland
نویسندگان
چکیده
The presence oí aggregates oí humic substances (HS) with inorganic adsorbates in a lagaon located in Huelva (south Spain) ia reported. The chemical nature oftbe fulvic acid (FA) fraction, extracted froro the natura] aggregate by treatment with chelating resins, has been investigated by physical and chemical methods. Tbe results suggest that these FA are similar f.o FA from other aquatic environments. As revealed by FT-IR and NMR spectroscopies snd mild oxidation with potassium persulfate, the FA contain predominantly in their structure polysaccharides snd com~ ponents derived (rom lignin.
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