2018
DOI: 10.9734/jeai/2018/39554
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Development and Validation of a Solid-Liquid Extraction with Low Temperature Partitioning (SLE/LTP) Method for Determination of the Herbicide Indaziflam in Brazilian Soils by High Performance Liquid Chromatography (HPLC-UV/Vis)

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Cited by 3 publications
(3 citation statements)
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“…The test was performed in triplicate, using a high-performance liquid chromatograph (HPLC), Shimadzu ® LC 20AT model, Japan, with UV/vis detector (Schimadzu SPD-20A) and C18 stainless steel column (VP, ShimadzuShim-pack ODS 150 x 6 mm x 4 mm id.). Acetonitrile and water (acidified with 0.01% acetic acid) were used as mobile phase in the proportion of 60:40 (v:v), with injection volume of 20 μL, at a flow rate of 1.0 mL min -1 and wavelength of 212 nm, at a temperature of 30 °C (RAMÍREZ et al, 2018), conditions that resulted in a retention time of indaziflam equal to 4.6 minutes.…”
Section: Determination Of Sorption and Desorption By The High-performance Liquid Chromatography Methodsmentioning
confidence: 99%
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“…The test was performed in triplicate, using a high-performance liquid chromatograph (HPLC), Shimadzu ® LC 20AT model, Japan, with UV/vis detector (Schimadzu SPD-20A) and C18 stainless steel column (VP, ShimadzuShim-pack ODS 150 x 6 mm x 4 mm id.). Acetonitrile and water (acidified with 0.01% acetic acid) were used as mobile phase in the proportion of 60:40 (v:v), with injection volume of 20 μL, at a flow rate of 1.0 mL min -1 and wavelength of 212 nm, at a temperature of 30 °C (RAMÍREZ et al, 2018), conditions that resulted in a retention time of indaziflam equal to 4.6 minutes.…”
Section: Determination Of Sorption and Desorption By The High-performance Liquid Chromatography Methodsmentioning
confidence: 99%
“…The equilibrium time of indaziflam sorption in each substrate was determined using the batch equilibrium method, which is highly efficient to describe the sorption of herbicides in soil (ALONSO et al, 2011). This determination was performed by following the methodology proposed by Ramírez et al (2018): 2 grams of soil is placed in Falcon tubes, followed by the addition of 10 mL of 0.01 mol L -1 CaCl 2 solution, containing 1 mg L -1 of the analytical standard of the herbicide indaziflam. Then, the soil + solution mixture is subjected to vertical shaking for different times (2; 4; 8; 12; 24 and 32 h) at a temperature of 25 ± 2 °C.…”
Section: Determination Of Sorption and Desorption By The High-performance Liquid Chromatography Methodsmentioning
confidence: 99%
“…A energia para que o herbicida fique sorvido ao solo é mutável e dependente da ligação herbicida-solo. E, para que ocorra o processo de dessorção, deve haver determinada quantidade de energia livre para possibilitar a volta do herbicida à solução do solo (RIGI et al, 2015;TEIXEIRA et al, 2018). O triclopyr, ácido [(3,5,6-tricloro-2-piridinil) oxi] acético, C7H4Cl3NO3, massa molar 256,46 g/mol, apresenta ponto de fusão de 150 ºC e constante de dissociação (pKa) de 3,97 (PPDB).…”
Section: Introductionunclassified