2011
DOI: 10.1590/s0100-40422011000200004
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Transporte de glifosato pelo escoamento superficial e por lixiviação em um solo agrícola

Abstract: Recebido em 17/11/09; aceito em 8/9/10; publicado na web em 8/12/10 GLYPHOSATE TRANSPORT IN RUNOFF AND LEACHING WATERS IN AGRICULTURAL SOIL. Glyphosate was determined in runoff and leaching waters in agricultural soil that received an application of active ingredient and was exposed to simulated intensive rain conditions. The concentrations decreased during the simulation period and the concentrations of the runoff were higher than those achieved in the samples of leaching waters. The concentrations were lower… Show more

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Cited by 38 publications
(21 citation statements)
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“…Solo, 38:1421Solo, 38: -1431Solo, 38: , 2014 ( Figure 4). These results are similar to those reported by Peruzzo et al (2008), Litz et al (2011), andQueiroz et al (2011), who had used similar applications of herbicide in soils treated with organic wastes.…”
Section: Glyphosate Mobilitysupporting
confidence: 91%
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“…Solo, 38:1421Solo, 38: -1431Solo, 38: , 2014 ( Figure 4). These results are similar to those reported by Peruzzo et al (2008), Litz et al (2011), andQueiroz et al (2011), who had used similar applications of herbicide in soils treated with organic wastes.…”
Section: Glyphosate Mobilitysupporting
confidence: 91%
“…Samples were filtered using a cellulose acetate membrane with pore-size of 0.45 µm, and glyphosate concentrations were determined using a Dionex ® ion exchange chromatograph, model ICS-90, equipped with a conductivity detector, model DS5, following the method described by Queiroz et al (2011). An analytical column IonPac ® AS22 4 × 250 mm, guard column IonPac ® AG22 4 × 50 mm, anionic micro-membrane suppressor (AMMS ® 300 4 mm), eluent 9.0 mmol L -1 Na 2 CO 3 /2.8 mmol L -1 NaHCO 3 with flow of 1.2 mL min -1 , regenerant 50 mmol L -1 H 2 SO 4 , and injection loop of 250 µL were also used in glyphosate analyses.…”
Section: Glyphosate Analysesmentioning
confidence: 99%
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“…Já o escoamento superficial favorece a contaminação das águas superfi ciais, que pode ocorrer através do transporte dos princípios ativos adsorvidos às partículas do solo erodido ou em solução. 38 Ambos os modos de transporte vão contribuir para a contaminação dos recursos hídricos da região.…”
Section: Princípios Ativos Prioritários Em Programas De Monitoramentosunclassified
“…Vários métodos têm sido utilizados para quantificar o pesticida glifosato, dentre elas pode-se citar a espectrofotometria, eletroforese, cromatografia em fase gasosa, cromatografia em fase líquida de alta eficiência, cromatografia em camada delgada, cromatografia de troca iônica e voltametria. 6 No entanto, a utilização de alguns métodos . Todas as soluções foram preparadas utilizando água ultra pura, obtida em um sistema de purificação milli-Q, modelo Human UP 900, Gen Pure.…”
Section: Figura 1 Fórmula Estrutural Do Glifosatounclassified