2007
DOI: 10.1590/s0100-40422007000800014
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Investigation of the occurrence of pesticide residues in rural wells and surface water following application to tobacco

Abstract: Recebido em 25/9/06; aceito em 4/5/07; publicado na web em 25/10/07In this work the exposure of wells and surface water to pesticides, commonly used for tobacco cropping, was assessed. Water consumption wells and surface water flows were sampled at different times. After a preconcentration step with solid phase extraction (SPE), the selected pesticides were determined by gas chromatography with electron capture detection (GC-ECD) or high performance liquid chromatography with diode array detection (HPLC-DAD). … Show more

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citations
Cited by 79 publications
(49 citation statements)
references
References 14 publications
(18 reference statements)
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“…Onde havia presença de mata ciliar pesticidas não foram detectados na água (Bertoluzzi et al, 2006). Jacomini et al (2011) avaliaram a contaminação dos rios Sapucaí, Pardo e Mogi-Guaçu por ametrina, próximos a locais de cultivo de cana-de-açúcar, onde o herbicida é bastante utilizado.…”
Section: Fatores Relacionados Com a Contaminação Dos Recursos Hídricounclassified
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“…Onde havia presença de mata ciliar pesticidas não foram detectados na água (Bertoluzzi et al, 2006). Jacomini et al (2011) avaliaram a contaminação dos rios Sapucaí, Pardo e Mogi-Guaçu por ametrina, próximos a locais de cultivo de cana-de-açúcar, onde o herbicida é bastante utilizado.…”
Section: Fatores Relacionados Com a Contaminação Dos Recursos Hídricounclassified
“…Clorpirifós é um produto persistente no ambiente e imidacloprid possui alta mobilidade. As características do local consideradas importantes foram as características do solo, como pouca cobertura e declividade, e quantidade de chuva (Bertoluzzi et al, 2007). A maior parte do território brasileiro é constituída por relevo de planalto, caracterizada por declives que acentuam a lavagem de solo por escoamento superficial e a contaminação de corpos de água superficiais.…”
Section: Fatores Relacionados Com a Contaminação Dos Recursos Hídricounclassified
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“…In Brazil some studies has been done until now to investigate the behavior and destination of herbicides in the systems related to the rice paddy fields in an attempt to evaluate the risk to the environment. (Zanella et al 2002;Noldin et al, 1997: Bortoluzzi et al 2006Marchesan et al 2007;Resgalla et al, 2007;Bortoluzzi et al 2007;Grützmacher et al 2008;Caldas et al 2009;Silva et al, 2009;Caldas et al 2010;Demoliner et al 2010;Marchesan et al 2010;Reimche, 2010).…”
Section: Introductionmentioning
confidence: 99%
“…10 Those compounds are usually analyzed by gas chromatography (GC) and by liquid chromatography (LC), depending on their polarity, volatility and thermal stability. 11,12 In GC, different detection systems are used, such as electron-capture detection (ECD), 13 nitrogenphosphorus detection (NPD), 14,15 flame ionization detection (FID), 16 flame photometric detection (FPD), 17 and mass spectrometry (MS). 18,19 As most modern pesticides and their degradation products are polar, have low volatility, and/or are thermally labile compounds, the general use of liquid chromatography-based methods for pesticide determination has increased.…”
Section: Introductionmentioning
confidence: 99%