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Decomposition Products ofs-Triazine Herbicides by Electron-Transfer in Acidic Aqueous Media

✍ Scribed by L. Pospı&#x0301;šil; R. Trsková; S. Záliš; M.P. Colombini; R. Fuoco

Publisher: Elsevier Science
Year: 1996
Tongue: English
Weight: 128 KB
Volume: 54
Category: Article
ISSN: 0026-265X
DOI: 10.1006/mchj.1996.0113

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✦ Synopsis

The reduction of atrazine and terbutylazine was preceded by protonation equilibrium. Three protonation sites of the s-triazine molecule determined the structure of the final reduction product. Protonation was investigated by the change of UV-Vis spectra. Two slightly different pKs corresponding to protonation on N5 and N1 heteroatoms were evaluated. The principal reduction pathway involved the cleavage of a chlorine atom. A small quantity of desethylatrazine was detected in the most acidic media.

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