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Complexation between the fungicide tebuconazole and copper(II) probed by electrospray ionization mass spectrometry

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    0360099 - ÚOCHB 2012 RIV GB eng J - Journal Article
    Jaklová Dytrtová, Jana - Jakl, M. - Schröder, Detlef - Čadková, E. - Komárek, M.
    Complexation between the fungicide tebuconazole and copper(II) probed by electrospray ionization mass spectrometry.
    Rapid Communications in Mass Spectrometry. Roč. 25, č. 8 (2011), s. 1037-1042. ISSN 0951-4198. E-ISSN 1097-0231
    Institutional research plan: CEZ:AV0Z40550506
    Keywords : copper * electrospray ionization * mass spectrometry * tebuconazole * soil solutions
    Subject RIV: CC - Organic Chemistry
    Impact factor: 2.790, year: 2011

    Electrospray ionization mass spectrometry (ESI-MS) is used to probe the complex formation between tebuconazole (1) and copper(II) salts, which both are commonly used fungicides in agriculture. Experiments with model solutions containing 1 and CuCl2 reveal the initial formation of the copper(II) species [(1)CuCl]+ and [(1)2CuCl]+ which undergo reduction to the corresponding copper(I) ions [(1)Cu]+ and [(1)2Cu]+ under more drastic ionization conditions in the ESI source. In additional experiments, copper/tebuconazole complexes were also detected in samples made from soil solutions of various origin and different amount of mineralization. The direct sampling of such solutions via ESI-MS is thus potentially useful for understanding of the interactions between copper(II) salts and tebuconazole in environmental samples.
    Permanent Link: http://hdl.handle.net/11104/0006473

     
     
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