Energy and Ecology
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Environment and Chemistry
Scientists at University of Poitiers describe research in environment and chemistry
April 9th, 2010
"The photolysis of the N methyl carbamate pesticide oxamyl (Z isomer) has been studied in aqueous solution. Continuous irradiation at mainly lambda = 254 and lambda > 290 nm has been performed to characterise the pesticide photochemical behaviour in water at pH = 6.0," scientists in Poitiers, France report. "Upon monochromatic irradiation, the phototransformation quantum yield was evaluated to be roughly constant, with a value of 0.54 +/- 0.08. Upon polychromatic irradiation, a photochemical efficiency has been estimated to be 0.5 +/- 0.1 by using phenol as a reference compound. Two main degradation products were identified: the isomer (E) of oxamyl and the nitrile...
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Source: Energy and Ecology (2010-04-09)
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