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Formation of Glyphosate and AMPA During Ozonation of Waters Containing Ethylenediaminetetra(methylenephosphonic acid)

 

作者: J. Klinger,   M. Lang,   F. Sacher,   H.-J. Brauch,   D. Maier,   E. Worch,  

 

期刊: Ozone: Science & Engineering  （Taylor Available online 1998）
卷期: Volume 20, issue 2  

页码: 99-110

 

ISSN:0191-9512

 

年代: 1998

 

DOI:10.1080/01919519808547279

 

出版商: Taylor & Francis Group

 

关键词: Ozone;Ethylenediaminetetra(methylenephosphonic Acid) Oxidation;Herbicide Formation;N-Phosphonomethylglycine;Aminomethylphosphonic Acid;Phosphonoformic Acid;Orthophosphate

 

数据来源: Taylor

 

摘要:

Ozonation of the complexing agent ethylenediaminetetra(methylenephosphonic acid) (EDTMP) was studied with bench-scale experiments. As it turned out that EDTMP is totally oxidized within a few seconds, a mechanism for the reaction of EDTMP with ozone is presented which predicts the formation of the herbicide N-phosphonomethylglycine (glyphosate) and its major metabolite aminomethylphosphonic acid (AMPA). The experimental results confirm the predicted mechanism as well as the formation of glyphosate and AMPA during ozonation of waters containing EDTMP.

 

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