Journal
RAPID COMMUNICATIONS IN MASS SPECTROMETRY
Volume 25, Issue 8, Pages 1037-1042Publisher
WILEY-BLACKWELL
DOI: 10.1002/rcm.4957
Keywords
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Funding
- Academy of Sciences of the Czech Republic [Z40550506]
- European Research Council (AdG HORIZOMS)
- Ministry of Education, Youth and Sports of the Czech Republic [MSM 6046070901]
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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)(2)CuCl](+) which undergo reduction to the corresponding copper(I) ions [(1)Cu](+) and [(1)(2)Cu](+) 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. Copyright (C) 2011 John Wiley & Sons, Ltd.
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