CAPILLARY ELECTROPHORETIC STUDY OF ATRAZINE PHOTOLYSIS

Capillary electrophoresis in its free solution mode (FSCE) has been us ed as a rapid analysis tool for the quantification of hydroxytriazines during the photodegradation of atrazine under nitrogen and oxygen atm osphers in the presence or absence of humic substances in aquatic medi a. Hydroxyatrazine was found to be the main photodegradation product. The presence of dissolved humic substances influenced the photodegrada tion pathway of atrazine by dealkylation reactions. FSCE has been foun d effective in the separation of the cationic hydroxytriazines from th e anionic humic polyelectrolytes during the analysis without cleanup p rocedures.