Applications Of Humic Acids In The Treatment Of
Heavy Metal Contamination
Author(s)
S. Mazzuoli, A. Tognazzi, F. Bartolini, S. Loiselle & C. Rossi
Abstract
Humic substances are macromolecules that naturally occur in all environments in
which vegetation matter are present. The group of molecules that are considered
humic substances vary greatly and are characterised by an extremely complex
structure. Humic substances play a fundamental role in many ecosystems, since
they interact with toxic metal ions present in the system, determining a decrease
in the bio-availability of such ions. In the present paper, we report an
investigation to quantify the ability of humic acids to complex the metal ions.
We used Atomic Absorbance Spectroscopy to determine the heavy metal
concentrations complexed in different concentrations and environmental
conditions by humic acid. This method is based on the use of membranes of
known molecular cut off, w
Keywords
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