Abstract
Fluorescence spectroscopy was used to study the interaction of humic acid with Cu+2, paraquat and simetryn. Paraquat and Cu+2 quenched the fluorescence of humic acid (HA) by as much as 74 and 89%, respectively. Simetryn did not quench the fluorescence of HA, even at pH 4 under which conditions simetryn would have carried a positive charge due to protonation. Key words: Fluorescence spectroscopy, simetryn, paraquat, copper, humic acid
Publisher
Canadian Science Publishing
Cited by
5 articles.
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