Quick and Easy Modification of Glassy Carbon Electrodes with Ionic Liquid and Tetraruthenated Porphyrins for the Electrochemical Determination of Atrazine in Water
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Calfumán, Karla
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Quick and Easy Modification of Glassy Carbon Electrodes with Ionic Liquid and Tetraruthenated Porphyrins for the Electrochemical Determination of Atrazine in Water
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Atrazine is a pesticide used to control broadleaf weeds, however its wide distribution and its high persistence in the soil and in surface waters has resulted in a public and environmental health problem. Present results shows the design, construction and characterization of glassy carbon electrodes modified with tetrarutenated metalloporphyrin (M=Ni (II) and Zn (II)) and 1-butyl-3-methylimidazolium bis (trifluoromethylsulfonyl) imide, BMIMNTF 2 . The modification was reproducible and sensitive for the electrochemical detection of atrazine in neutral media. The detection limit was 230 nM when using GC/BMIMNTF 2 /ZnTRP and 540 nM with GC/BMIMNTF 2 /NiTRP, meaning that his methodology can be a feasible and inexpensive way to detect atrazine in trace levels.
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URI: https://repositorio.uchile.cl/handle/2250/171906
DOI: 10.1002/elan.201800771
ISSN: 15214109
10400397
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Electroanalysis, Volumen 31, Issue 4, 2019, Pages 671-677
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