engleski

The uptake of inorganic phosphorus by insoluble metal-humic complexes

Interaction and binding of dissolved orhophosphate on insoluble complexes of marine humic substances and calcium, magnesium, iron and aluminium have been studied. The results pointed out that solubility of metal-humic complexes and fulvic complexes increase at pH of the suspension increases with strong phosphorus fixation at pH values between 4 and 6. The possible mechanism of this binding involves formation of a commplex association in wich metal ions bound to the humic substances ast as a bridge between humic macromolecules and phosphate anion.

metal-humic complexes ; phosphate ; binding ; mechnisms

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